title: Balloon blocks backflow of blood, relieves testicular varicoceles.
mesh_terms: D002404:Catheterization / Q000379:methods*; D006801:Humans; D007248:Infertility, Male / Q000209:etiology; D008297:Male; D011859:Radiography; D013737:Testis / Q000098:blood supply*; D014646:Varicocele / Q000150:complications / Q000000981:diagnostic imaging / Q000628:therapy*