転移性脳腫瘍，癌性髄膜炎に類似した結核腫，結核性髄膜炎の1例

Tuberculoma and Tuberculous Meningitis Mimicking Metastatic Brain Tumor and Meningeal Carcinomatosis: Case report

I．はじめに

　わが国および欧米先進国では結核罹病率は著しく低下しており，これに対応して頭蓋内結核腫も稀な疾患となっている．われわれは転移性脳腫瘍，癌性髄膜炎と誤診した結核腫，結核性髄膜炎の1例を経験したので反省の意味をこめて報告し，広く注意を喚起したい．

A 45-year-old man was well until February 1986, when he experienced gait disturbance and psychiatric symptoms. On February 11 he fell down several times and developed generalized convulsion on the following day. He was admitted to a hospital in a delirious condition. The chest X-ray film showed infiltration in the left upper lobe, but computed tomographic ( CT ) scan of the head revealed no abnormality.

Cerebrospinal fluid obtained by lumbar puncture con-tained 155 cells/mm³, all of which were lymphocytes, and protein and glucose concentrations were 372 mg/dl and 68 mg/dl respectively.