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Pediatr Surg Int. 2003 Apr;19(1-2):82-4. Epub 2003 Mar 22.

Use of parenteral testosterone prior to hypospadias surgery.

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  • 1Department of Pediatric Surgery and Pediatrics, Chang Gung Children's Hospital and Chang Gung University, Taoyuan, Taiwan, ROC.

Abstract

Surgical correction of genital defects was formerly proposed when the size of the penis was sufficient to permit easy surgical repair. To enlarge penile size, temporary stimulation with testosterone or dihydrotestosterone cream has been used; however, the results were not only inconsistent, but absorption was also variable. We report our experience with parenteral testosterone as an adjunct to reconstructive genital surgery in 25 patients aged 6-18 months from July 1999 to December 2000, including 8 with penile hypospadias, 15 with penoscrotal hypospadias, and 2 with perineal hypospadias. Each had a penis that was significantly smaller than usual. Testosterone enanthate 25 mg was given i.m. once per month for a total of three doses before surgical repair. Penile length and glans circumference were measured before therapy and at operation. Side effects such as the development of pubic hair and acne were monitored. Bone age was checked 1 year later. An increase in penile length (from 19.8 +/- 2.4 mm to 23.8 +/- 2.0 mm) and glans circumference (from 27.4 +/- 1.4 mm to 37.84 +/- 2.6 mm) was apparent in all except 2 patients (P < 0.001 for both, paired t-test). Four patients had a significant increase in either penile length or glans circumference after the initial dose so that no further injections were required. No definite secondary effects were found. Preoperative parenteral testosterone therapy thus causes a significant increase in penile length and glans circumference without apparent side effects. We suggest that this therapy prior to microphallic hypospadias repair is appropriate.

PMID:
12721732
DOI:
10.1007/s00383-002-0717-3
[PubMed - indexed for MEDLINE]
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