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鄉下的妹子太便宜,一次四個都要了[12P]

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Sexual Precocity in a 16-Month-Old
2 L( x) P0 b( o; \; d3 D: [Boy Induced by Indirect Topical1 I1 j: i* B5 |3 h
Exposure to Testosterone; i6 @7 a) w) v+ f0 l$ t! P
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
& B# L; g* _& s- T# P: r- r, fand Kenneth R. Rettig, MD1
0 P. _1 L: O. E, pClinical Pediatrics
1 F7 S. w* s* t0 D3 X( X+ \6 hVolume 46 Number 6
2 F3 q* N( Q  N' W" |7 F4 iJuly 2007 540-543; @5 A% k# Q4 b  c/ R- h8 X( }) d
© 2007 Sage Publications
  c0 Q' \6 J; U1 O4 n* R/ ?9 v10.1177/0009922806296651
; u. R: @3 P; [http://clp.sagepub.com
6 r0 G0 L6 _, V, m/ G% bhosted at
$ @; e: _0 ]% A" Y, _( u# uhttp://online.sagepub.com6 z% [/ o6 `8 `. T5 s
Precocious puberty in boys, central or peripheral,
3 d$ j" J' O& n2 u$ O, bis a significant concern for physicians. Central  m. v4 _7 G  p" w: M% Y
precocious puberty (CPP), which is mediated4 i' U$ H5 {; H* `2 _' Y
through the hypothalamic pituitary gonadal axis, has
2 e8 Z6 d% I6 C+ |a higher incidence of organic central nervous system; r5 N; r- W( U! m2 W2 o1 b
lesions in boys.1,2 Virilization in boys, as manifested
" n7 Z$ N2 G5 n: r  @8 qby enlargement of the penis, development of pubic1 s# s/ }: A$ Z. u. ~2 M; U7 z, E( e
hair, and facial acne without enlargement of testi-4 w8 B# g! G$ m2 D1 ?0 g' [
cles, suggests peripheral or pseudopuberty.1-3 We
; J& `& [% V2 T* oreport a 16-month-old boy who presented with the
5 k' G: J2 y. c: `& Kenlargement of the phallus and pubic hair develop-
" ^- |; Z$ i; z% [ment without testicular enlargement, which was due
* }  M; [& ^1 tto the unintentional exposure to androgen gel used by3 p& ?0 T* z1 e, x0 y- R' v
the father. The family initially concealed this infor-
6 L& Y. ?, D  h1 [mation, resulting in an extensive work-up for this) h2 P  u7 `2 Q1 M# i
child. Given the widespread and easy availability of- ~$ j$ H5 g3 p$ n- |" |& i
testosterone gel and cream, we believe this is proba-+ i% Z, q. J1 M. o
bly more common than the rare case report in the
* N9 r4 Q% j, q- y! O* o, wliterature.4
4 p$ K# r5 }, V7 w; l. R. PPatient Report
8 O, y* M! A% d" t, U- IA 16-month-old white child was referred to the
1 Z' k5 F4 z0 y# ~* k: l' Rendocrine clinic by his pediatrician with the concern
3 m) Y. ]" L( g- d) K& Zof early sexual development. His mother noticed
+ a- B7 E4 S3 Y# @# ~, t$ a# dlight colored pubic hair development when he was0 E4 D( s0 V1 o; o
From the 1Division of Pediatric Endocrinology, 2University of
, K# G+ i7 f% V9 w4 J- h  N# H, T0 B* pSouth Alabama Medical Center, Mobile, Alabama.
' y0 k6 w$ ]  |' mAddress correspondence to: Samar K. Bhowmick, MD, FACE,* F/ r0 N. P% W" P7 w3 d$ z( R
Professor of Pediatrics, University of South Alabama, College of
4 h, x" r' e! O  @, ~# Z, ?# OMedicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;4 T( l/ D! M$ M1 y7 p( P
e-mail: [email protected].' U+ R( j- p) Y- U6 q
about 6 to 7 months old, which progressively became" g8 t% O+ M- {5 _0 b$ v5 w& \
darker. She was also concerned about the enlarge-2 A, T5 \8 @: J3 s$ K" F7 y
ment of his penis and frequent erections. The child( @2 L! P" N" {* F
was the product of a full-term normal delivery, with
9 Q1 w% Q. L1 l/ i+ s+ Ua birth weight of 7 lb 14 oz, and birth length of
+ P! }! O: @6 C) J20 inches. He was breast-fed throughout the first year9 p* o( C' a' z& }! l+ Z
of life and was still receiving breast milk along with
( ?: w) W0 X9 t0 Xsolid food. He had no hospitalizations or surgery,
+ Y+ d9 _- [  |3 e; hand his psychosocial and psychomotor development* H, V3 O3 ^( P9 e! i' v  f
was age appropriate.
# u3 t2 R2 @+ ?The family history was remarkable for the father,
" D: @; Y7 U5 \7 \& l1 bwho was diagnosed with hypothyroidism at age 16,. ?0 w5 U, g4 T- x: n. J
which was treated with thyroxine. The father’s
( N/ s' n/ s& o3 c, z% R1 Bheight was 6 feet, and he went through a somewhat) m6 b% j( \' y. }9 d
early puberty and had stopped growing by age 14.
" B+ c1 u- ^7 X) i- N2 B, pThe father denied taking any other medication. The
2 L0 l: [: J1 H1 u- w5 Dchild’s mother was in good health. Her menarche
8 W$ [' v0 y$ R& e" _6 M6 Gwas at 11 years of age, and her height was at 5 feet( G* z% v( P$ K) E4 Z5 Q
5 inches. There was no other family history of pre-
9 M/ a( }" r9 q! m1 y) x& I/ Bcocious sexual development in the first-degree rela-
6 E" |. I& s3 ^; jtives. There were no siblings.# t; Y: C: [7 x. X* q
Physical Examination1 C2 S! M. T5 O
The physical examination revealed a very active,
+ R# S7 }: t  B& N/ d9 ?playful, and healthy boy. The vital signs documented
6 Q' r3 |% P0 k# `$ r9 u+ |$ la blood pressure of 85/50 mm Hg, his length was( Y7 c- V# W. |. q6 N5 S$ W
90 cm (>97th percentile), and his weight was 14.4 kg0 I: n3 t0 F; m+ X
(also >97th percentile). The observed yearly growth
" i( V/ O; t  O5 y5 Z! @  ivelocity was 30 cm (12 inches). The examination of% I% d# y- w6 {) U
the neck revealed no thyroid enlargement.% M6 |1 N2 ^7 q* ?' S, m
The genitourinary examination was remarkable for
8 F5 E: D5 k1 v5 Renlargement of the penis, with a stretched length of0 z5 s. [" [8 W* D2 L+ u8 P
8 cm and a width of 2 cm. The glans penis was very well
; P7 E5 `; ^; r1 Sdeveloped. The pubic hair was Tanner II, mostly around
+ e  Z& p4 @, l  `540; s. O8 h/ C# N  ~4 P1 [: L
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from, L! N$ u( k' M  C
the base of the phallus and was dark and curled. The* L+ u$ `# a+ b4 G& e' r
testicular volume was prepubertal at 2 mL each.) u# a/ Y! `2 [% }# M& U
The skin was moist and smooth and somewhat6 n" g' Z, z: ]# b
oily. No axillary hair was noted. There were no- P1 O9 C: d& }. s: e. l
abnormal skin pigmentations or café-au-lait spots./ X! {3 p+ }( x  g2 \
Neurologic evaluation showed deep tendon reflex 2+3 ~& P# }, O( p0 t$ X3 F
bilateral and symmetrical. There was no suggestion9 C6 h7 y- |& |$ S; @
of papilledema.5 W; h2 J4 m, [# O5 @/ H
Laboratory Evaluation! p; b' G* W" z1 O( j
The bone age was consistent with 28 months by
6 H+ Q: }* ^0 I1 h+ }) v8 busing the standard of Greulich and Pyle at a chrono-1 y, ^; V/ b+ m6 J, B! z
logic age of 16 months (advanced).5 Chromosomal
; q; h. q7 Q% o: Q/ b. ckaryotype was 46XY. The thyroid function test3 G7 K+ M; P  x" q; V+ [/ V$ P5 q
showed a free T4 of 1.69 ng/dL, and thyroid stimu-
( L1 T+ g$ ?9 `+ e  j. f/ Llating hormone level was 1.3 µIU/mL (both normal).
/ }8 X; i4 z& e; Y( p( }The concentrations of serum electrolytes, blood
2 E% u* f1 x8 N0 E6 s" v; J" aurea nitrogen, creatinine, and calcium all were. j& v# _  R' j& d- B; Y7 s& Z, h
within normal range for his age. The concentration
6 q1 n  `$ p6 Pof serum 17-hydroxyprogesterone was 16 ng/dL& e$ Z6 _" M  S5 N$ Z+ }
(normal, 3 to 90 ng/dL), androstenedione was 20+ J! r( q/ }, X
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-
! L/ I6 Y4 L# b7 w: h, wterone was 38 ng/dL (normal, 50 to 760 ng/dL),6 i7 y) Z/ y- D  y0 o5 Q& N3 H
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
8 |" D+ {  `& a& n  S4 B49ng/dL), 11-desoxycortisol (specific compound S)
/ F! s* m2 v; M/ Y1 iwas 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-
5 Y! q$ w! g4 v* i* O' atisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total
+ {3 u) e! G, F$ r2 utestosterone was 60 ng/dL (normal <3 to 10 ng/dL),
; E& X5 g7 ^6 U$ w; `and β-human chorionic gonadotropin was less than
' `& D. G3 H. D5 mIU/mL (normal <5 mIU/mL). Serum follicular
7 A) v( `8 o' f* [stimulating hormone and leuteinizing hormone2 T9 n! p! O( m
concentrations were less than 0.05 mIU/mL* ~6 ?1 X6 q2 S
(prepubertal).
8 }+ W& F3 V: @# MThe parents were notified about the laboratory7 \2 Z2 x) V& |& N
results and were informed that all of the tests were
& k; G+ d; N* j* Inormal except the testosterone level was high. The
' ~) x8 p9 G8 O0 t1 P1 lfollow-up visit was arranged within a few weeks to% Y8 t+ _' ?: D; F( x' A, @
obtain testicular and abdominal sonograms; how-0 j% J2 _7 m0 I0 p
ever, the family did not return for 4 months.
( b: z1 q$ Q' [& }% o! _7 DPhysical examination at this time revealed that the
2 _+ t3 a2 W4 Z# ]2 _( d! Dchild had grown 2.5 cm in 4 months and had gained  U( a3 r5 f8 V# A" {- O; ]
2 kg of weight. Physical examination remained  s$ X3 h$ o7 g3 I+ Y% s2 G( f
unchanged. Surprisingly, the pubic hair almost com-. G. \3 J; v1 b: N5 r
pletely disappeared except for a few vellous hairs at2 Q* V  Y& I8 C8 n
the base of the phallus. Testicular volume was still 2
& N9 [: d5 s4 P) EmL, and the size of the penis remained unchanged.. h# x& f* N4 g  y: ]; R* N
The mother also said that the boy was no longer hav-9 N" ?& ?; f% P" Y
ing frequent erections.9 V; s' u" \8 S
Both parents were again questioned about use of* s9 W6 ^. l6 z0 g
any ointment/creams that they may have applied to% p9 d+ E7 Z$ a6 s% u/ r2 m9 B
the child’s skin. This time the father admitted the+ T6 h3 {" A/ l. f- e
Topical Testosterone Exposure / Bhowmick et al 541$ l0 S8 N6 X& A$ v3 ]$ R  O
use of testosterone gel twice daily that he was apply-
7 I3 V% [, J" n5 ]6 E& I; C7 Ming over his own shoulders, chest, and back area for
! O! ]- F/ f$ c" t. D- na year. The father also revealed he was embarrassed
2 c  a0 J9 a  \6 |3 v; rto disclose that he was using a testosterone gel pre-  O+ M" b: Y2 a5 \2 n$ f& X+ x
scribed by his family physician for decreased libido2 f2 q3 B/ u7 N5 V
secondary to depression.9 o9 ]; H( G2 p- b1 _9 D" K
The child slept in the same bed with parents.3 u7 B; N4 ~+ Q
The father would hug the baby and hold him on his+ E  C- C+ J' W' n1 d
chest for a considerable period of time, causing sig-
2 x7 Y. J+ Y. z, a( Z! Ynificant bare skin contact between baby and father.
  {" W; }* x- t& [$ I# z. hThe father also admitted that after the phone call,
) R& ?6 W1 y9 d% y' \8 qwhen he learned the testosterone level in the baby% j/ v% \' y5 ~% O" k- D9 o
was high, he then read the product information
6 d! Q! `) t9 L" f# M; ~' vpacket and concluded that it was most likely the rea-
, H' @" c' q! F$ Lson for the child’s virilization. At that time, they
6 h" s' F& U+ i! R+ ~0 R9 d5 x* @decided to put the baby in a separate bed, and the
& u; h* P2 |7 \" j3 G! ?father was not hugging him with bare skin and had( p% b9 X8 |! \) K/ d; l
been using protective clothing. A repeat testosterone1 N9 C- |% o! z  p
test was ordered, but the family did not go to the
  ~6 l1 L* m5 a* V6 [& V1 P5 f1 jlaboratory to obtain the test.
( V, ^, S  k: W2 ^Discussion
4 ]# ?5 ?- O8 V4 _& P$ [" mPrecocious puberty in boys is defined as secondary/ c( ^7 s5 d3 A+ N% m/ C
sexual development before 9 years of age.1,4
! |+ L/ `- O/ K  ?8 c, j* aPrecocious puberty is termed as central (true) when2 C9 U7 w0 G' J3 C6 S! \
it is caused by the premature activation of hypo-
  @- x% D1 y$ z7 K! I  ?" U& Othalamic pituitary gonadal axis. CPP is more com-
$ F" [, c& P7 k+ B) wmon in girls than in boys.1,3 Most boys with CPP+ K# i  n( E2 C3 Q" A3 w0 r: p- q3 m
may have a central nervous system lesion that is' O& n6 ^# Z3 i, A2 a. \' `: \
responsible for the early activation of the hypothal-, n. S, ^! g, p5 }
amic pituitary gonadal axis.1-3 Thus, greater empha-6 I& Y; D' _1 O4 o1 o  E6 {- J" h
sis has been given to neuroradiologic imaging in4 R3 i$ l4 a' ^( p, L$ y- e. u2 l+ o
boys with precocious puberty. In addition to viril-
8 B5 o; }; D  W& E5 Cization, the clinical hallmark of CPP is the symmet-
) h; U; k2 l+ b5 krical testicular growth secondary to stimulation by$ B# U& Y& I. `4 G2 z
gonadotropins.1,3# b" L! x4 j: P! f* A5 Q) E. }# [
Gonadotropin-independent peripheral preco-
6 j& }# @4 [* U6 X& Y- ecious puberty in boys also results from inappropriate) y0 M$ R/ r; D
androgenic stimulation from either endogenous or
5 {9 `1 v' o9 B; jexogenous sources, nonpituitary gonadotropin stim-$ g. F* K& F5 l* D' j9 g9 K8 t
ulation, and rare activating mutations.3 Virilizing: I& \2 U- C% G2 _, j0 [$ G( u- N8 y
congenital adrenal hyperplasia producing excessive
7 x) C& t4 l* t! b: R1 j0 t2 ?9 dadrenal androgens is a common cause of precocious
/ @+ q$ _& P  J& v7 w. V4 qpuberty in boys.3,4( f0 L2 A; X7 R+ V
The most common form of congenital adrenal, S1 E3 Z: `7 i0 b/ a4 L
hyperplasia is the 21-hydroxylase enzyme deficiency.
2 D8 v- E. d* {3 aThe 11-β hydroxylase deficiency may also result in
; M, |( L6 o- f. l" y0 K1 |( @excessive adrenal androgen production, and rarely,& K; ?- f" @; f/ u; ^6 U
an adrenal tumor may also cause adrenal androgen" k! B3 {. K6 }/ E
excess.1,3
$ z9 @  Z, a2 Y+ jat University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
, M9 _2 n! j4 g) z6 ~$ g' h542 Clinical Pediatrics / Vol. 46, No. 6, July 2007! u3 L7 u0 H$ ?, P
A unique entity of male-limited gonadotropin-) d# }4 y/ B1 w% o) K
independent precocious puberty, which is also known3 }  P6 }4 |, C- G+ @! L, F9 T3 B! H
as testotoxicosis, may cause precocious puberty at a
1 B$ m4 M' `# n8 k+ B' i. every young age. The physical findings in these boys6 v1 ^3 W$ t. ?; b% {  @+ b
with this disorder are full pubertal development,
  C" M; `2 Q" J2 ~. m5 Sincluding bilateral testicular growth, similar to boys" K/ @( R8 O: }: C: r5 z, o, f* h
with CPP. The gonadotropin levels in this disorder  J1 I: p- J2 V1 q  M. i
are suppressed to prepubertal levels and do not show" a6 ]( A  Q5 M# S
pubertal response of gonadotropin after gonadotropin-
- M, o4 m" Z# u; ]2 z2 X& t% Jreleasing hormone stimulation. This is a sex-linked( U0 j$ g( {* r  l8 T/ E+ s
autosomal dominant disorder that affects only. }' j4 R5 M6 q" Q2 z$ h
males; therefore, other male members of the family
; c# N  l9 G# W) Fmay have similar precocious puberty.3
1 a# {( @( B  K, mIn our patient, physical examination was incon-
: v8 R/ [/ F- b/ _sistent with true precocious puberty since his testi-4 Q; o% W2 K& R2 g( ^! p
cles were prepubertal in size. However, testotoxicosis+ K- I9 S. r3 ]2 M% U5 F
was in the differential diagnosis because his father9 ~" J6 u$ z+ T: S
started puberty somewhat early, and occasionally,3 d9 T+ z* e# W0 y: y- g6 K3 \
testicular enlargement is not that evident in the9 o. f9 u1 D) L( Q2 Z7 T& G1 O
beginning of this process.1 In the absence of a neg-' {8 A5 w. q3 _4 u) {
ative initial history of androgen exposure, our
( |5 r- @6 f0 ^8 {" f2 Rbiggest concern was virilizing adrenal hyperplasia,& P* W$ d0 d/ I1 {8 u* U6 _3 S
either 21-hydroxylase deficiency or 11-β hydroxylase
% b8 O. n: Q6 P- }0 f( ]  Rdeficiency. Those diagnoses were excluded by find-, @3 ^/ W$ V/ U% C3 `; d" r7 U  l2 u
ing the normal level of adrenal steroids.
# j+ V2 \  J; z+ Q$ IThe diagnosis of exogenous androgens was strongly; ?# r4 d  A  O8 G, c
suspected in a follow-up visit after 4 months because
, _3 W5 O. t! H& ?/ xthe physical examination revealed the complete disap-! W( p. ^" q( P0 F
pearance of pubic hair, normal growth velocity, and& K' p/ q  |0 ^/ c; ~9 D
decreased erections. The father admitted using a testos-
3 T* ^0 e  L% F' x( u# Yterone gel, which he concealed at first visit. He was. _! @: m% j4 C* L7 |4 O7 o
using it rather frequently, twice a day. The Physicians’1 {0 w5 X9 W$ J1 v1 X
Desk Reference, or package insert of this product, gel or
4 X+ r6 I  {; Hcream, cautions about dermal testosterone transfer to/ S' s8 l: T2 i7 [/ w, \# F8 v
unprotected females through direct skin exposure.
8 y; C, d0 s$ V) xSerum testosterone level was found to be 2 times the
$ [) ]' L8 y2 D* M6 P7 H; M6 }baseline value in those females who were exposed to
& d* ]2 j$ q0 peven 15 minutes of direct skin contact with their male
  I2 _- M, Q6 O4 kpartners.6 However, when a shirt covered the applica-4 y/ o' k: P1 d8 H6 Z, U
tion site, this testosterone transfer was prevented./ F- w% Z6 V6 b
Our patient’s testosterone level was 60 ng/mL,) E6 \% j5 Q8 O" M% n# f$ J  Q& ^
which was clearly high. Some studies suggest that8 m" z2 @( z! `
dermal conversion of testosterone to dihydrotestos-6 l. Y4 h! J& ~0 }
terone, which is a more potent metabolite, is more
% x7 ?. f' Z; v& ~9 g* a# A0 wactive in young children exposed to testosterone5 M8 K7 U5 e( f, O- Q1 g
exogenously7; however, we did not measure a dihy-
. t: G  X7 U0 v) k+ U9 xdrotestosterone level in our patient. In addition to& P$ F0 Q: i3 {, l* V" m
virilization, exposure to exogenous testosterone in8 T' k" y6 V3 K6 w! C. G
children results in an increase in growth velocity and6 t1 R+ U3 D% H
advanced bone age, as seen in our patient.
$ D/ r. ?8 j) D4 T# Y3 rThe long-term effect of androgen exposure during3 ]. N; h$ U% a0 b
early childhood on pubertal development and final. `1 T: l! T- N2 t2 c2 F
adult height are not fully known and always remain
3 |" Y7 \" T/ C( l/ K7 a5 @a concern. Children treated with short-term testos-! B& O9 A$ z! j/ M
terone injection or topical androgen may exhibit some
2 N; j' c7 r; e1 u" u5 u  o+ k  zacceleration of the skeletal maturation; however, after
7 q6 t- G; Q! v) H9 scessation of treatment, the rate of bone maturation$ d: |6 c  v/ U4 k  o
decelerates and gradually returns to normal.8,97 P. t- j5 H( U' U7 G& ?
There are conflicting reports and controversy
7 T' ]) h8 ^$ S- N8 c* D0 h- Dover the effect of early androgen exposure on adult
, e# N, I  @" x1 Mpenile length.10,11 Some reports suggest subnormal
' r% C2 \$ h( d" A8 W1 w* b% Aadult penile length, apparently because of downreg-
0 G3 T8 u. ?) E9 M  N7 Hulation of androgen receptor number.10,12 However,
! E1 C' b7 c. U! e) e8 g3 WSutherland et al13 did not find a correlation between% F/ {9 G; @3 O1 e" p' ?/ J* d
childhood testosterone exposure and reduced adult
4 R4 F) K# t3 l2 y) cpenile length in clinical studies.
5 m- b; c4 D! o) P1 X/ \- J" E0 ^Nonetheless, we do not believe our patient is
0 m! V9 S5 [4 ~  cgoing to experience any of the untoward effects from
" a* B0 Z: M* T1 ctestosterone exposure as mentioned earlier because; g, W: \: O9 k: n) j
the exposure was not for a prolonged period of time., G' q, x, V2 U  k* _
Although the bone age was advanced at the time of2 @+ \, Y* [) L& F! g
diagnosis, the child had a normal growth velocity at5 a( V7 G. D/ o. _5 l' N0 z3 P6 `1 C
the follow-up visit. It is hoped that his final adult
! g- c  d+ \* Cheight will not be affected.: @# y2 I6 `9 ~$ a2 T7 A
Although rarely reported, the widespread avail-
- i1 n& d+ ~# v% bability of androgen products in our society may
: A5 |% ~( K& d9 f8 z3 o" W0 Mindeed cause more virilization in male or female
$ C4 j! f/ E* W  w0 p& tchildren than one would realize. Exposure to andro-/ z$ |( ^/ w# C
gen products must be considered and specific ques-
7 H5 p! ^7 t1 m5 i- A& q, ^; Dtioning about the use of a testosterone product or
  Y" z4 ]! ?9 \1 dgel should be asked of the family members during. s( z; O$ Y* S; r8 a- _
the evaluation of any children who present with vir-6 p; q! l& @  _2 W# l
ilization or peripheral precocious puberty. The diag-" l( K: E  O1 [* D
nosis can be established by just a few tests and by
) @0 r( \: K% w: m: ^0 l/ uappropriate history. The inability to obtain such a
9 j: g1 {: q" [) P9 A- o% khistory, or failure to ask the specific questions, may' [. Y4 N5 G$ s. X) u3 B/ v( V
result in extensive, unnecessary, and expensive7 l% W  Y6 [1 i7 }& R
investigation. The primary care physician should be
; s+ [( Y' ~) i% h) A0 i# _; Naware of this fact, because most of these children
& R# k( i+ H+ z: [) pmay initially present in their practice. The Physicians’
# u5 g/ A! F% X& Z/ DDesk Reference and package insert should also put a3 e( L- k% u- R
warning about the virilizing effect on a male or
2 _1 v: c( n5 a  b% r* K2 Cfemale child who might come in contact with some-
& Z' r3 ]7 y3 @! J" k1 B8 z# d8 hone using any of these products.4 K% K( v+ q8 \. |: S7 \4 u
References
$ D* W* C2 x" s/ h1. Styne DM. The testes: disorder of sexual differentiation& `8 h2 f, Z) I. s6 A" T0 i6 B6 X: r
and puberty in the male. In: Sperling MA, ed. Pediatric- B  X4 o5 o: [# T
Endocrinology. 2nd ed. Philadelphia, PA: WB Saunders;4 V" b' F2 E* Y4 Y: m
2002: 565-628.- d& ]* F3 r! q- E
2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious5 V1 z+ S/ r9 M, @3 R+ D3 [" ~  v
puberty in children with tumours of the suprasellar pineal
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Sexual Precocity in a 16-Month-Old& p9 u" l0 K$ w9 v- M7 d0 {
Boy Induced by Indirect Topical: d# c+ ^2 m2 ]4 J8 ]) A
Exposure to Testosterone9 {' L" @; p# n3 G' @6 H- F
Samar K. Bhowmick, MD, FACE,1 Tracy Ricke, MD,2
( }; R$ P9 m) L4 f9 q) Y' Hand Kenneth R. Rettig, MD1# p7 O: k6 I2 K9 _+ \4 e* C
Clinical Pediatrics' T( e" ?  k. n0 [/ m3 t
Volume 46 Number 6; O' \2 ~. J; p( K9 M
July 2007 540-543* e# M' e6 @7 F
© 2007 Sage Publications
7 H% U0 V& p3 v4 O/ G10.1177/0009922806296651, b+ k2 V, ]* e/ |: W
http://clp.sagepub.com; O; o8 B0 o) C+ [9 C
hosted at
- g7 z; s3 V0 K" w6 phttp://online.sagepub.com
3 s% v$ a3 }& BPrecocious puberty in boys, central or peripheral,4 N3 O8 V5 {. K" G1 z
is a significant concern for physicians. Central1 @6 t, n) h) a9 d8 N+ v, q
precocious puberty (CPP), which is mediated& W, S0 k" R/ _  G6 A; _3 x  ?1 A
through the hypothalamic pituitary gonadal axis, has2 p  S/ H! |  y0 h' d
a higher incidence of organic central nervous system
* p* ?. _$ |& xlesions in boys.1,2 Virilization in boys, as manifested
1 C) P6 S- F/ s: @# i4 ~0 iby enlargement of the penis, development of pubic% E  X8 a9 E! U2 \9 X
hair, and facial acne without enlargement of testi-
' H: E* Z0 Z! d1 y+ ucles, suggests peripheral or pseudopuberty.1-3 We
2 {  `! ~5 z7 G, vreport a 16-month-old boy who presented with the! Q9 S. r0 H2 \  t
enlargement of the phallus and pubic hair develop-" V" q3 m; ?6 l4 [/ o# B
ment without testicular enlargement, which was due
5 ?( ]' S8 `1 o* \* d# @9 `/ Sto the unintentional exposure to androgen gel used by0 G& P  Z3 J0 Q6 U# {3 b8 u
the father. The family initially concealed this infor-6 ]6 {% f' V) y, b
mation, resulting in an extensive work-up for this+ C4 Y8 r5 m+ ?4 N5 ]
child. Given the widespread and easy availability of
1 h, F' l! ~! m; [1 P# ?5 d5 otestosterone gel and cream, we believe this is proba-; |+ g. _  _% m" p
bly more common than the rare case report in the" C6 [, X8 s& e. d* C! A. ?0 T
literature.4
8 q4 U# m$ X+ SPatient Report! T9 D6 U$ d& u
A 16-month-old white child was referred to the6 o/ c: |+ |2 ?6 G
endocrine clinic by his pediatrician with the concern
+ Q# Q. w' j2 _" X+ tof early sexual development. His mother noticed
9 {7 s( G# {, S8 \light colored pubic hair development when he was
* o1 C0 E) `- w$ |8 X3 e' eFrom the 1Division of Pediatric Endocrinology, 2University of0 \4 @' z$ L2 r' a8 P
South Alabama Medical Center, Mobile, Alabama.  d+ S2 ?% n+ F4 W# N# _+ k" }
Address correspondence to: Samar K. Bhowmick, MD, FACE,/ r# [+ \3 d0 |& q- X
Professor of Pediatrics, University of South Alabama, College of9 a5 B0 J" S0 l1 D) m  @2 Y+ h1 Q/ W
Medicine, 2451 Fillingim St. Mastin 212, Mobile, AL 36617-2297;2 k% t) b7 w. {  q. C
e-mail: [email protected].3 \1 `4 Y7 \) f2 x  o9 T
about 6 to 7 months old, which progressively became
1 U- E$ O8 g2 X: m! a- ]$ ?. s- idarker. She was also concerned about the enlarge-3 [' k5 C+ }: B0 ^5 H/ I/ S
ment of his penis and frequent erections. The child
. l' i! b$ f- v+ Vwas the product of a full-term normal delivery, with7 @0 o: d4 u3 x- K1 ?6 c8 w7 k
a birth weight of 7 lb 14 oz, and birth length of' \5 W/ r# }* _; j+ f9 j
20 inches. He was breast-fed throughout the first year
( M; x( N* I: T, f" r# Hof life and was still receiving breast milk along with
7 D% g/ l5 U( rsolid food. He had no hospitalizations or surgery,
1 E! t9 R3 R. J( I0 b" ~' Kand his psychosocial and psychomotor development
' L; b3 T7 z, P- Nwas age appropriate.
6 a1 e, W) D7 ^, O. I! w' FThe family history was remarkable for the father,
7 `4 s+ K4 J5 zwho was diagnosed with hypothyroidism at age 16,
0 h! @; t0 H1 z# H; N! ~  ~which was treated with thyroxine. The father’s
* {- I5 A' D$ ^; f) D4 ?, pheight was 6 feet, and he went through a somewhat! m- u9 d$ C: n  G% B8 z) |
early puberty and had stopped growing by age 14." r1 X7 p9 c) v& c+ [6 X$ h" g
The father denied taking any other medication. The" C3 \6 m% \9 O# Z
child’s mother was in good health. Her menarche
! w$ n7 Q1 e7 |  ~5 J& J6 @was at 11 years of age, and her height was at 5 feet
9 j2 M$ B2 u% d3 s# ]6 L# B" k% S5 inches. There was no other family history of pre-
! s6 {6 Q" g! P6 z# ?: Ococious sexual development in the first-degree rela-) z! q; Q# y. C5 K5 k# j' ~8 z; c
tives. There were no siblings.
; _9 j$ d8 D6 G2 \0 U  k( B8 t, oPhysical Examination
% |0 A3 `5 I8 A  p5 V5 K8 j3 ?9 k  DThe physical examination revealed a very active,
* s! t6 X' @$ v* i, Y' [playful, and healthy boy. The vital signs documented
7 V6 V8 I( t) t2 Ba blood pressure of 85/50 mm Hg, his length was
( ~6 i) {5 q' e/ U90 cm (>97th percentile), and his weight was 14.4 kg
- {# ]1 [* p1 C+ K* B8 q1 {9 ~5 o(also >97th percentile). The observed yearly growth, v  D% s6 v( F9 r+ p* y% _8 Q
velocity was 30 cm (12 inches). The examination of: b5 ?% p$ |% I) l0 u: A1 h1 \
the neck revealed no thyroid enlargement.: _2 s: N+ S: A8 s
The genitourinary examination was remarkable for* Z3 k( \* P: i& i8 k9 a8 A
enlargement of the penis, with a stretched length of' X) B) y. G- m5 m
8 cm and a width of 2 cm. The glans penis was very well
6 ^$ y7 T4 G. l# U8 ^developed. The pubic hair was Tanner II, mostly around( z2 N$ c7 ^. i8 h
540+ T3 t/ f1 T1 _& @2 R( M; X0 @
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
* Y3 G! C: @9 L' S' B5 Y0 zthe base of the phallus and was dark and curled. The
, k8 p: l6 ]/ \% O# F' Utesticular volume was prepubertal at 2 mL each.. u" m' `. |1 j# o7 k% o
The skin was moist and smooth and somewhat: ^, \7 ^9 W+ g& D. l9 t
oily. No axillary hair was noted. There were no
9 ~! {4 r6 e8 K$ h9 V1 Cabnormal skin pigmentations or café-au-lait spots.  p6 J! u- r8 C* ~
Neurologic evaluation showed deep tendon reflex 2+6 a+ u: R7 W7 c
bilateral and symmetrical. There was no suggestion; y' y( ~* B2 W$ w
of papilledema.5 A. J4 [; l0 l) @
Laboratory Evaluation  [# E! R8 O# t! a# W2 `
The bone age was consistent with 28 months by' w9 M7 {8 L9 V1 w6 @2 e( c
using the standard of Greulich and Pyle at a chrono-/ v$ d! _: q6 V: q- ^6 \( ?
logic age of 16 months (advanced).5 Chromosomal
2 ?  ^; M' q$ [$ |karyotype was 46XY. The thyroid function test
: j0 W0 A$ ^9 F. T; [showed a free T4 of 1.69 ng/dL, and thyroid stimu-
$ o( C( W  \/ v2 u+ v/ Zlating hormone level was 1.3 µIU/mL (both normal).
2 \1 `3 x* U/ U# [- V" fThe concentrations of serum electrolytes, blood
6 j6 n& ^- G% ~$ hurea nitrogen, creatinine, and calcium all were
, [# V- ]/ b$ z$ G0 E. ~within normal range for his age. The concentration
# O% l7 W4 H; ?- T! j! Qof serum 17-hydroxyprogesterone was 16 ng/dL
% g0 \* v7 o4 Q& d0 n& H(normal, 3 to 90 ng/dL), androstenedione was 20- Y$ R6 i# u- n5 ~) ^* M
ng/dL (normal, 18 to 80 ng/dL), dehydroepiandros-5 g# o$ K7 m8 S- K% X0 s
terone was 38 ng/dL (normal, 50 to 760 ng/dL),6 m6 s4 q0 ?4 }* b' \: n/ R
desoxycorticosterone was 4.3 ng/dL (normal, 7 to
+ `' H# t0 X4 E7 ~9 V6 ]  ~1 r49ng/dL), 11-desoxycortisol (specific compound S)
0 i6 ?: ], L# s( |was 43 ng/dL (normal, 10 to 156 ng/dL), serum cor-+ p8 w( D2 A7 l2 |
tisol was 7.6 µg/dL (normal, 2.8 to 23 µg/dL), total6 g( {+ a. H& L6 }1 l
testosterone was 60 ng/dL (normal <3 to 10 ng/dL),, R( q4 N8 E$ D
and β-human chorionic gonadotropin was less than
! k. K, y0 c( ~8 G. H5 mIU/mL (normal <5 mIU/mL). Serum follicular
9 i' ~, N7 X1 d' k. hstimulating hormone and leuteinizing hormone
9 S, k4 i0 l: d2 n3 e5 l! d, i9 |- Fconcentrations were less than 0.05 mIU/mL, _; Z/ }: y' j0 V( b
(prepubertal).1 d: J3 R# u. c. n
The parents were notified about the laboratory1 T3 u4 `2 Z. H0 y, |1 Q5 B2 v0 r9 K" ?
results and were informed that all of the tests were3 X2 H% J2 a6 _
normal except the testosterone level was high. The) R% O9 W9 U% T: {
follow-up visit was arranged within a few weeks to
3 i$ x0 a3 ]$ H6 H; a, f* xobtain testicular and abdominal sonograms; how-
" m- x4 H4 N9 i) |7 _ever, the family did not return for 4 months.
0 R& [" ]0 y8 j; f/ [Physical examination at this time revealed that the, p1 W+ Y; c# k" k, t0 C8 Q
child had grown 2.5 cm in 4 months and had gained
) z1 M. ]4 r- ~$ X8 j4 X5 ]2 kg of weight. Physical examination remained' U5 j8 Y. E" ~: v$ s6 N
unchanged. Surprisingly, the pubic hair almost com-
! V; c3 G- g! e: j( B+ W# j4 wpletely disappeared except for a few vellous hairs at
) b; s  h5 s6 t+ Bthe base of the phallus. Testicular volume was still 2. Z4 V; S' U* U
mL, and the size of the penis remained unchanged.
; I3 m) {( v% LThe mother also said that the boy was no longer hav-
* X. K+ R1 x  i; jing frequent erections.
% o; J# \0 T) F- i( o9 R; V- IBoth parents were again questioned about use of
( W4 e. l/ L" X( Many ointment/creams that they may have applied to# U0 I  q0 B+ U5 B) v
the child’s skin. This time the father admitted the
- Z) U7 [( M8 I, eTopical Testosterone Exposure / Bhowmick et al 541
! f0 M% n! w8 J% W% z5 K7 huse of testosterone gel twice daily that he was apply-
! M, F+ P. n# Ping over his own shoulders, chest, and back area for$ q3 Z$ m7 o* P6 W% c
a year. The father also revealed he was embarrassed
" a4 [  D! U% ]4 r5 h8 [3 u. t9 qto disclose that he was using a testosterone gel pre-, m2 D# o) ]0 l5 G/ W8 s
scribed by his family physician for decreased libido
, L0 @7 C+ |! j7 Ysecondary to depression.( o% t8 }% c2 p: {( K7 N
The child slept in the same bed with parents.% O0 a; r. y8 @
The father would hug the baby and hold him on his
" ~3 X- Y6 v- k3 b$ Ochest for a considerable period of time, causing sig-
; X1 ~# T- z( y: b/ Gnificant bare skin contact between baby and father.
: [; l& F+ n" n5 m- G3 jThe father also admitted that after the phone call,
! ]# S. v# E" N+ d" u2 u8 `: Twhen he learned the testosterone level in the baby* j3 L7 e! |% f3 |
was high, he then read the product information
$ y  F  p$ h4 s$ apacket and concluded that it was most likely the rea-
, _& \7 k8 t* E7 ~1 a3 G4 X$ eson for the child’s virilization. At that time, they5 D) @! e! D' O  \# m
decided to put the baby in a separate bed, and the1 h* m; ]3 U( `1 @9 y- k
father was not hugging him with bare skin and had4 j( G+ i+ l! i# N* ]7 E
been using protective clothing. A repeat testosterone8 j4 `8 z- ~  k4 D
test was ordered, but the family did not go to the4 }" O4 \/ q( m. [- w% k+ N) o' I3 B
laboratory to obtain the test.
8 W2 f& z3 `/ o2 b  @: o+ A8 uDiscussion
4 B4 @7 f( @9 s$ a# OPrecocious puberty in boys is defined as secondary5 J5 Y$ r0 Z- P# J3 ]# Z8 V0 [
sexual development before 9 years of age.1,4
# W1 M: \/ c) u/ X) \7 e$ TPrecocious puberty is termed as central (true) when
1 d: H- i7 \. j. F, N$ _it is caused by the premature activation of hypo-8 z8 r' ~  V9 h5 {7 U
thalamic pituitary gonadal axis. CPP is more com-
! R# P7 B" ~9 v5 y  y4 Lmon in girls than in boys.1,3 Most boys with CPP
6 ]/ ?  U2 D% D5 Dmay have a central nervous system lesion that is
* Y+ x8 Z3 ^$ f  ?responsible for the early activation of the hypothal-8 z; G6 K; u' z
amic pituitary gonadal axis.1-3 Thus, greater empha-
; `1 x  n# T& ^# a! qsis has been given to neuroradiologic imaging in
* c/ L2 T" U6 N1 t' t. b7 V( hboys with precocious puberty. In addition to viril-
) V0 D3 S' T' x- Lization, the clinical hallmark of CPP is the symmet-$ B0 ~! R, ~( {+ u9 P- p
rical testicular growth secondary to stimulation by7 y6 I( _( `+ z# W5 }
gonadotropins.1,3( _/ Y0 @9 E, ^
Gonadotropin-independent peripheral preco-
8 `. ~0 o* D$ Z$ |9 acious puberty in boys also results from inappropriate
7 a+ ^0 n' w- R5 ~androgenic stimulation from either endogenous or
& n0 \7 U0 W' V/ Aexogenous sources, nonpituitary gonadotropin stim-# M. D" {+ R, x' }  A5 m
ulation, and rare activating mutations.3 Virilizing
( W& d) N% Z7 r1 s( ucongenital adrenal hyperplasia producing excessive
+ v- L  l, t( Y& L, c2 gadrenal androgens is a common cause of precocious7 L- A# t6 a/ o2 ]% B4 j$ w# {
puberty in boys.3,4/ K; q2 e, J( l$ b! k. `
The most common form of congenital adrenal: K* A* D5 Q" q. M/ b
hyperplasia is the 21-hydroxylase enzyme deficiency.
+ b3 T5 ~9 `; D" CThe 11-β hydroxylase deficiency may also result in! u; _4 C% S4 q+ ]0 j
excessive adrenal androgen production, and rarely,( r6 O8 w' ?; N$ W/ h# j6 x
an adrenal tumor may also cause adrenal androgen, P/ ]& W! a0 }" y5 V3 c
excess.1,3- j0 }6 U" l0 U; C5 ]* i4 j& }  L
at University of Manchester Library on May 25, 2015 cpj.sagepub.com Downloaded from
6 ?  h. c9 B- s7 n+ z1 k5 T$ j+ H  z542 Clinical Pediatrics / Vol. 46, No. 6, July 2007
  i& J: c( e, IA unique entity of male-limited gonadotropin-: X. |! G' w1 c( y' s, h
independent precocious puberty, which is also known
( ]8 j! b& [3 |% D: t# }1 qas testotoxicosis, may cause precocious puberty at a/ ^; [5 k3 _0 m9 N- p# A
very young age. The physical findings in these boys
- S) s9 r. a  p. ]with this disorder are full pubertal development,. v" p! S; @7 M& M
including bilateral testicular growth, similar to boys
2 N/ B( M' m5 V7 e) t6 I% l) bwith CPP. The gonadotropin levels in this disorder" Z- P  V) g; S1 s* V" q
are suppressed to prepubertal levels and do not show
; A( t- x1 Z+ r1 npubertal response of gonadotropin after gonadotropin-
1 C( N6 f6 x5 o5 N8 I* zreleasing hormone stimulation. This is a sex-linked  K  M0 N; |  d0 k0 o
autosomal dominant disorder that affects only  D# H5 x8 T8 ^7 r5 g# n
males; therefore, other male members of the family4 Z" A+ s0 |* c  a- Y% H
may have similar precocious puberty.3
; ]! K  l* a* tIn our patient, physical examination was incon-6 v; \2 n0 |) r' p% Q: T
sistent with true precocious puberty since his testi-! ?& `+ S4 z% K7 X" ]3 h
cles were prepubertal in size. However, testotoxicosis
+ ^! m' r5 C' F2 V. uwas in the differential diagnosis because his father
1 F4 k7 o# \5 M* T5 G  Y& P; h! astarted puberty somewhat early, and occasionally,
( W8 w6 t1 O/ K& \testicular enlargement is not that evident in the
+ L" `. V" G! M9 K4 l$ obeginning of this process.1 In the absence of a neg-; G7 P( |! X8 Y; M/ T+ \
ative initial history of androgen exposure, our1 t  Z  l! W3 W8 J+ B( F( q
biggest concern was virilizing adrenal hyperplasia,
& b& Q/ N: Y  H& \either 21-hydroxylase deficiency or 11-β hydroxylase" C" ]% V8 r% Z! n$ X" L
deficiency. Those diagnoses were excluded by find-# j2 k# V# `. i
ing the normal level of adrenal steroids.
; ]8 B- p1 ]( j  HThe diagnosis of exogenous androgens was strongly
% t1 x$ L5 V' y  r) |" Z' psuspected in a follow-up visit after 4 months because
0 q3 \" E  b- S$ U+ k$ ?% w, ^the physical examination revealed the complete disap-
( U: W5 z; e, Rpearance of pubic hair, normal growth velocity, and- A9 E* C8 m' U4 y
decreased erections. The father admitted using a testos-
7 e; T' _8 s/ l6 e: X$ Y0 `terone gel, which he concealed at first visit. He was" b) x) z1 k5 C# v4 J. ]% \7 P
using it rather frequently, twice a day. The Physicians’
% t) d: }6 _. F( iDesk Reference, or package insert of this product, gel or, [  o9 T2 ^0 H3 ~, {
cream, cautions about dermal testosterone transfer to
- Z* }' e, L1 R8 Sunprotected females through direct skin exposure.+ M- K+ n7 D/ f: V7 N
Serum testosterone level was found to be 2 times the
- q; [  K) {# V2 c& F* [' L' Rbaseline value in those females who were exposed to
+ B/ l. |2 C: H  x, Leven 15 minutes of direct skin contact with their male/ C4 w- A2 e8 V5 q: n% b0 W0 @+ W
partners.6 However, when a shirt covered the applica-) A" t4 P- P! l; X/ w9 X9 v' }
tion site, this testosterone transfer was prevented.7 \4 l1 w, S( O1 {) I
Our patient’s testosterone level was 60 ng/mL,- a3 n+ C, F1 E
which was clearly high. Some studies suggest that
( ?3 C, o" W6 I$ ^dermal conversion of testosterone to dihydrotestos-/ M0 n0 w; P6 B% X+ ]
terone, which is a more potent metabolite, is more
- @$ ^  B5 m% a! W% Jactive in young children exposed to testosterone
$ p. D9 A) W! s2 Y* vexogenously7; however, we did not measure a dihy-& ]; i: t% b0 {4 f7 T
drotestosterone level in our patient. In addition to
% Q' k5 S' Y  ], P( Uvirilization, exposure to exogenous testosterone in2 k2 w6 ?9 i) v# O. D! d
children results in an increase in growth velocity and
4 y) N+ Z, @2 g1 Ladvanced bone age, as seen in our patient.$ Q7 L7 a' A  R; J
The long-term effect of androgen exposure during
* h4 g1 w* O( ^# Y# E$ j' _9 J5 j6 jearly childhood on pubertal development and final
: O3 P# O+ e! ^, ^7 u0 fadult height are not fully known and always remain
: z8 [# C( I: [a concern. Children treated with short-term testos-  x; j1 p! d, H  L9 m6 @/ N, a2 }; U
terone injection or topical androgen may exhibit some2 {2 H% Q8 ?1 U) {$ Q" F& I
acceleration of the skeletal maturation; however, after4 N/ j3 L6 w- \3 N( y( Y
cessation of treatment, the rate of bone maturation0 J( S: Z' D5 a4 e1 g
decelerates and gradually returns to normal.8,9* p. [* D! b  O3 f' t- w. Y
There are conflicting reports and controversy
9 D3 A4 u: g+ ]" C7 o. I2 Aover the effect of early androgen exposure on adult! u  v: X) _1 Y! \/ Z! V
penile length.10,11 Some reports suggest subnormal6 ~# g) `  J/ S; _; V" R
adult penile length, apparently because of downreg-
5 e7 c  @, g% y8 d0 p* Hulation of androgen receptor number.10,12 However,
7 Y1 ]& [* b! f, A" n7 fSutherland et al13 did not find a correlation between
, C( h# {: T4 P# a* E% p  kchildhood testosterone exposure and reduced adult! _- f$ `3 ]6 S4 u
penile length in clinical studies.
: g. [  _- M! z1 oNonetheless, we do not believe our patient is" E$ P2 E$ ^; D& U% H0 G. U
going to experience any of the untoward effects from
7 e4 \& O5 P# {0 rtestosterone exposure as mentioned earlier because" Y6 n; Y5 k6 ]2 t( L8 u
the exposure was not for a prolonged period of time.
* z' o; R3 Q$ }+ H0 BAlthough the bone age was advanced at the time of
) E* t# X8 f7 m! Vdiagnosis, the child had a normal growth velocity at! Y7 s  u( C7 T+ Z
the follow-up visit. It is hoped that his final adult" O) I7 E$ b6 u/ m/ @
height will not be affected.
) K* y; o6 f9 Q0 j/ FAlthough rarely reported, the widespread avail-
3 M$ p0 o- O9 F$ Wability of androgen products in our society may1 N* }7 E! X& m# p! ^
indeed cause more virilization in male or female
1 Z, g4 a7 }: O+ ~% Ychildren than one would realize. Exposure to andro-
+ r5 a( J$ s, M9 n3 mgen products must be considered and specific ques-
5 T1 S) \4 Y. N- j1 m+ c* T! xtioning about the use of a testosterone product or
7 G" P- S2 y6 s7 ~gel should be asked of the family members during# ]4 D$ [' s; P( a& C0 L9 h
the evaluation of any children who present with vir-
+ O% m6 C1 O" u/ }* `ilization or peripheral precocious puberty. The diag-
% x$ q; y2 q8 h# _' anosis can be established by just a few tests and by" o7 b+ f& @6 q- j
appropriate history. The inability to obtain such a% x# g: q$ G) d  \, l9 Y+ I3 d
history, or failure to ask the specific questions, may
' k7 n. Q3 b. zresult in extensive, unnecessary, and expensive9 v; t6 j9 D/ {6 p  O) A" K6 n2 g
investigation. The primary care physician should be
4 [. P$ [% x) b0 a6 i/ Waware of this fact, because most of these children" q+ A3 q( q: P$ Z  y
may initially present in their practice. The Physicians’8 {) F1 u- x# j( n# W
Desk Reference and package insert should also put a
  C! \  O. Q/ ~3 |, J1 P2 Jwarning about the virilizing effect on a male or
# l+ m4 d* |0 |4 Ffemale child who might come in contact with some-# S2 b/ t+ u( f: l; t
one using any of these products.
5 M  c5 n/ Z3 X7 P- _% ?' NReferences
& A4 ?5 F, s$ u: i7 C1. Styne DM. The testes: disorder of sexual differentiation% E9 ~, B) `# V2 R
and puberty in the male. In: Sperling MA, ed. Pediatric
) z! ]/ a7 e; [# M5 f. d1 K) J1 zEndocrinology. 2nd ed. Philadelphia, PA: WB Saunders;# v7 k1 R$ R9 x. @8 M# U- v' J# x
2002: 565-628.
: s. z; G& U1 Y+ T2. Rivarola M, Belgorosky A, Mendilaharzu H, et al. Precocious
+ |  ^7 |& @2 P2 Z. o4 @puberty in children with tumours of the suprasellar pineal
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女厕偷拍辅导班主任尿尿老师的逼很嫩还有一点
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發表於 2025-3-11 12:31:56 | 顯示全部樓層
么好吧v进化过程就回国参加发uft成就和;哦i回来就好v科技股份兄弟人的 路由公开vu个v库每年b
發表於 2025-4-8 11:10:25 | 顯示全部樓層
精妙絕倫的精品,感謝啊!期待你更多更好的創作哦!
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