title: Familial occurrence of undescended testes.
abstract: We had the opportunity of treating a family with 6 siblings, 2 of them twins, all sons of the same father and mother, 5 of whom had undescended testes. We hereby report on this rare occurrence of familial undescended testes. Only 1 similar case was previously reported in the English literature. The literature is reviewed, and possible etiologic factors are mentioned.
mesh_terms: D000293:Adolescent; D002648:Child; D002675:Child, Preschool; D006063:Chorionic Gonadotropin / Q000008:administration & dosage; D003131:Combined Modality Therapy; D003456:Cryptorchidism / Q000175:diagnosis / Q000235:genetics* / Q000628:therapy; D004200:Diseases in Twins; D005260:Female; D005640:Follicle Stimulating Hormone / Q000097:blood; D005500:Follow-Up Studies; D006801:Humans; D007986:Luteinizing Hormone / Q000097:blood; D008297:Male; D011247:Pregnancy; D013737:Testis / Q000601:surgery; D014429:Twins, Dizygotic
chemical_list: D006063:Chorionic Gonadotropin; D007986:Luteinizing Hormone; D005640:Follicle Stimulating Hormone