[Primary retroperitoneal tumors. Review of 34 cases].

Thirty four cases of primary retroperitoneal tumors treated in our hospital during a period of thirteen years are presented. The predominant clinical picture consisted of abdominal pain (57%) and paraneoplasic syndrome (42.8%) with palpable abdominal mass in 79.4% of patients. We highlight the diagnostic value of TAC and ultrasound in these lesions. Surgical treatment was performed in 33 patients, 19 patients underwent radical resection, 3 partial resection and a biopsy was performed in 12 patients. The relapse index after radical surgery was 68.4%. Chemotherapy and/or radiotherapy was given to 70.5% of the patients. The five year survival for solid tumors was 10%.