肾恶性肿瘤,癌占大多数,其他肿瘤少见.癌肉瘤偶见于子宫和乳腺,更少见于泌尿系统、鼻腔,肺和食管。我院最近收治一例肾癌肉瘤,报告于下. 病例介绍蔡××,男,44岁,住院号195。患者入院前二年,经常感到左腰背部隐痛,呈持续性,不向其它部位放射.近半年来发现间歇性血尿,淡红色,无尿痛、尿急、尿濒等现象.纳差,乏力,不发热,大便正常。一周前偶然发现左腰窝有一包块,可上下 Malignant neoplasms, most cancers, and rare other cancers. Carcinosarcoma occasionally occurs in the uterus and breast, and is less common in the urinary system, nasal cavity, lungs, and esophagus. A recent case of renal cell carcinoma of the sarcoma was reported in our hospital, and the case was reported as Cai XX, male, 44 years old and hospitalized 195. Patients admitted to hospital two years ago, often feel left back pain, was persistent, not to other parts of the radiation .In the past six months found intermittent hematuria, pink, no dysuria, urgency, urinary excretion and other phenomena. , No fever, normal stool. Occasionally found a week ago, there is a pack of left loin, up and down