腎転移を来した食道癌

METASTATIC RENAL TUMOR ORIGINATING FROM ESOPHAGEAL CARCINOMA: A CASE REPORT

　49歳，男性。全身倦怠感および発熱を訴え来院。1986年，食道癌にて食道摘出術を施行されている。その後腹部超音波検査にて右腎腫瘍を指摘され，右腎摘出術を行つた。病理組織診にて扁平上皮癌を認め，食道癌の腎転移と診断された。本邦での食道癌腎転移例は自験例を含め6例目と思われる。

A 49-year-old male visited our hospital because of general fatigue and fever. The patient had a history of esophagectomy for cancer of the esophagus, in 1986. He was found to have right renal tumor by the abdominal ultrasonography and underwent right nephrectomy. Pathological examination re-vealed squamous carcinoma which was renal metastasis of the esophageal carcinoma. Brief discussion of metastatic renal tumor originating from esophageal carcinoma was made with 6 reported cases from Japanese literature.