title: Testicular neoplasm in siblings.
abstract: Two sets of testicular tumors involving nontwin siblings are reported. The possibility dysgenesis and dysgonesis and the totipotentiality of the cells in the pathogenesis of these tumors are described and discussed
mesh_terms: D000328:Adult; D004407:Dysgerminoma / Q000235:genetics*; D006801:Humans; D008297:Male; D013724:Teratoma / Q000235:genetics*; D013736:Testicular Neoplasms / Q000235:genetics*