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Prepubertal testicular and paratesticular tumors in China a single-center experience over a 1-year period

Prepubertal testicular and paratesticular tumors in China a single-center experience over a 1-year period

Prepubertal testicular tumors are rare and fundamentally distinct from adult testicular tumors. We reviewed our 11-year experience in a single medical center of China. This study reports the clinical characteristics, histopathologic diagnosis, treatment methods, and outcome in a series of 63 prepubertal boys who were treated between 1997 and 2008. A total of 63 primary prepubertal testicular and paratesticular tumors were identified. The median age at presentation was 11 months. Of these tumors, 27 (42.9%) were mature teratomas, 5 (7.9%) were immature teratomas, 21 (33.3%) were yolk sac tumors, 4 (6.3%) were epidermoid cyst, 2 (3.2%) were Leydig cell tumors, 1 (1.6%) was a mixed malignant germ cell tumor, and 3 (4.8%) were paratesticular tumors. The most common clinical presentation (95.2%) was a painless scrotal mass or swelling. Forty-eight tumors were treated with radical inguinal orchiectomy, and 15, with a testis-sparing procedure. Follow-up was available in 59 cases, range from 4 to 128 months (median, 50 months). One patient with yolk sac tumor had recurrence and progression to metastasis at the end of 4 months after surgery. Other patients were disease free at last follow-up. Most of the prepubertal testicular lesions were benign, and the most common histologic subtype was teratoma. Our experience with testis-sparing procedures supports the current trends that less invasive treatment should be performed for benign lesions. This study confirms the excellent cure rates obtained in children with prepubertal testicular tumors.

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