Introduction: Testicular and paratesticular tumors represent 1-2% of the solid tumors in children. We present a retrospective series of 15 cases in patients less than 18 years of age.
Results: The mean age of the patients was 9.7 yrs, 6 of them prepubertal (mean age: 2.08 ± 1 yrs) and 9 pubertal (mean age: 15.1 ± 1.3 yrs). The most common clinical form of presentation was a painless testicular mass. The α-fetoprotein levels were high in 5 patients (yolk-sac tumors and embryonal carcinomas). The pathological study showed 11 primary testicular tumors and 4 paratesticular tumors (rhabdomyosarcomas), with 60% being germinal tumors and the rest non-germinal. Around 60% were malignant tumors (2 from the yolk-sac tumors, 2 embryonal carcinomas, one seminoma and 4 rhabdomyosarcomas). Among the benign tumors, the most common was the mature cystic teratoma. Surgery was the initial treatment in all of the cases (radical orchiectomy in 13 tumors and enucleation in 2 teratomas, with retroperitoneal lymphadenectomy in 4 cases). In 11 patients the tumor was in stage I, while 4 cases (2 embryonal carcinomas and 2 rhabdomyosarcomas) were in stage IV with pulmonary metastasis. Chemotherapy whether or not combined with radiotherapy was applied in 7 patients (4 rhabdomyosarcomas, 2 embryonal carcinomas and one seminoma).
Conclusions: Testicular and paratesticular tumors in prepubertal children show epidemiological, histological, therapeutical and evolutional characteristics well differentiated from postpubertal or adult subjects.
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