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Ⅰ.はじめに
Vater乳頭部癌は早期から黄疸などの症状が出やすく,比較的発見が早い腫瘍であるため予後は良好とされるが,転移を来すと著しく予後不良となる.
Vater乳頭部癌の転移は一般的に腹腔内臓器に多く,脳へ単独で転移することは稀である12).さらに,Vater乳頭部印環細胞癌の脳転移は極めて稀である.今回われわれは,印環細胞癌を含むVater乳頭部癌の脳転移症例を経験したため,文献的考察を加えて報告する.
We report a rare case of brain metastasis from ampullary carcinoma. A 61-year-old woman who had a past history of ampullary carcinoma surgically treated two year previously, presented with symptoms of left visual disturbance and left hemiparesis. Brain magnetic resonance images demonstrated a right occipital lobe tumor with peritumoral edema and midline shift. Gross total resection was carried out. Pathological diagnosis was poorly differentiated adenocarcinoma with compartments of signet-ring cell carcinoma. Metastases outside the abdominal cavity are rare. Brain metastases from ampullary carcinomas are extremely rare and there are few reports about such cases.
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