術前に診断しえなかった褐色細胞腫の1例

Abstract

A case of clinically unsuspected pheochromocytoma is reported. A 34-year-old male patient was referred to our department for further examination for left adrenal tumor. Endocrinological examinations revealed that the tumor was non-functioning. Exploration was done through a left lumbar approach under general anesthesia. A sudden onset of hypertension to 240/140 mmHg developed during the manipulation of the tumor ; therefore a pheochromocytoma was diagnosed. There have been 12 reported cases of pheochromocytoma, including our present case, whose diagnosis was made at the time of opertation in Japan.