多発性脳神経障害を呈し, 頸椎, 肺へ転移した耳下腺原発腺癌 (dumb-bell 型腫瘍) の一剖検例

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The present case was a 45-year-old woman, complaining of a tumor under the left auricle. CT-sialography revealed that the tumor was extending from the deep lobe of the parotid into the parapharyngeal space; so-called dumb-bell tumor. Removal of the tumor was operatively tried under clinical diagnosis of malignant parotid tumor. However, total removal of the tumor was abandoned, because the tumor had ill defined boundaries and strongly adhered to surrounding bone. Combined radiation and chemotherapy were carried out postoperatively. Histopathological diagnosis was anaplastic adenocarcinoma. After treatment, multiple cranial nerve palsy of the diseased side appeared. She died of pulmonary insufficiency 14 months after first examination. The autopsy disclosed intracranial invasion of the parotid tumor and its metastasis to the lungs and vertebral bone.
社団法人日本口腔外科学会の論文