title: [Primary retroperitoneal tumors. Symptoms-diagnosis--therapy].
abstract: Symptoms, diagnosis, and therapy of primary retroperitoneal tumors are presented with reference to 50 of the authors' cases. Seventy to 80% of the tumors are malignant; the most frequent are sarcomas. Males and females are equally afflicted; most cases are found within the 50-60 yearage range. First symptom is generally the palpable abdominal tumor. The diagnostic procedure of choic ist i.v. urography as well as selective angiograpms. At the time of diagnosis only 30-40% of tumors can be resected. Postoperative mortality ist about 10%. Seventy percent of tumors are radiosensitive. Prognosis can be considerably improved by postoperative radiation. Survival times of more than 2 years in patients presenting with malignant primary retroperitoneal tumors are exceptional.
mesh_terms: D000293:Adolescent; D000328:Adult; D000368:Aged; D000792:Angiography; D002648:Child; D002675:Child, Preschool; D005260:Female; D005860:Germany, West; D006801:Humans; D007223:Infant; D007231:Infant, Newborn; D008297:Male; D008875:Middle Aged; D011183:Postoperative Complications / Q000532:radiotherapy; D011379:Prognosis; D012186:Retroperitoneal Neoplasms / Q000000981:diagnostic imaging* / Q000401:mortality / Q000601:surgery; D014567:Urography
vernacular_title: Primär retroperitoneale Tumoren. Symptomatik-Diagnostik-Therapie