腎細胞癌自然破裂の1例

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A case of spontaneous rupture of renal cell carcinoma is reported. A 53-year old man was admitted with the chief complaint of sudden gross hematuria and right flank pain on December 28, 1979. On the following day, the clinical impression was right ruptured kidney, and therefore right nephrectomy was done. Pathological diagnosis was renal cell carcinoma. He received the post-operative irradiation of a total of 5,000 rads. He was seen five years later, at which time there was no evidence of local recurrence or distant metastasis of cancer. Thirty three cases of spontaneous rupture of renal cell carcinoma were collected from Japanese and English literature. Most common chief complaint is abdominal or flank pain. Excretory urography, ultrasonography, CT scan and angiography are useful, but it is difficult to diagnose preoperatively when the tumor is small. Therefore, it is important to suspect occult cancer when a reasonable cause of rupture is undetermined. In these indeterminate cases primary nephrectomy should be considered strongly.