腰部筋肉注射後にみられた腎被膜下血腫の1例

概要

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We report a case of left renal subcapsular hematoma caused by paravertebral muscular injection of acetylcholine chloride for the treatment of lumbago in a 42-year-old man. Since the patient suffered from left lumbago after paravertebral muscular injection, he consulted us. Excretory pyelography showed a left poor visualizing kidney and computed tomography demonstrated left renal subcapsular hematoma. Conservative treatment was done. After two weeks, drip intravenous pyelogram was normal and after four months computerized tomographic scan demonstrated no renal subcapsular hematoma. The main causes of renal subcapsular hematoma are renal injury, nephritis, renal tumor and renal biopsy. Renal subcapsular hematoma caused by paravertebral muscular injection is rare and three cases of hematoma including this case have been reported in the Japanese literature.