title: Frequency of bilateral tumours and primary retroperitoneal localization in tumours of the testicles.
abstract: Report on 4 patients with bilateral testicular tumours (out of a total number of 181 cases) and the problems arising with a second course of irradiation. The question of histogenesis and therapeutic course in 4 patients with a primary retroperitoneal tumour localization are discussed in the second part.
mesh_terms: D000328:Adult; D004407:Dysgerminoma / Q000473:pathology / Q000532:radiotherapy; D006801:Humans; D008297:Male; D009362:Neoplasm Metastasis; D011859:Radiography; D012186:Retroperitoneal Neoplasms / Q000473:pathology / Q000532:radiotherapy*; D012187:Retroperitoneal Space / Q000000981:diagnostic imaging; D013736:Testicular Neoplasms / Q000473:pathology / Q000532:radiotherapy*