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64歳,女性.高血圧と左側腹部痛を主訴に当科を受診した.尿中カテコラミン値ではノルアドレナリンとドーパミンの異常高値を示した.CTと核磁気共鳴画像により巨大後腹膜腫瘍を認め,開腹術を施行したが摘出不能で,一部生検して閉腹した.病理組織学的診断は悪性非クローム親和性パラガングリオーマであった.後腹膜腫瘍中,本例のような非クローム親和性,機能性パラガングリオーマは極めて少ない.
A 64 year-old woman visited our hospital with a complaint of left abdominal pain on February 14, 1988. Physical examination disclosed a child-head-sized tumor at the left hemiabdomen. Laboratory examination showed elevations of urinary excretions of catecholamines. CT scan and MRI demonstrated a large retroper-itoneal tumor from the renal hilus to the bifurcation of the aorta. Laparotomy was performed on April 23, 1988. Because of severe abhesion to the abdominal aorta, the tumor was not resectable and biopsy was done. Pathological diagnosis was malignant nonchromaff in paraganglioma.
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