1983 年 23 巻 9 号 p. 751-754
Multicentric cerebral gliomas have rarely been reported in the literature and most of the cases were composed of similar histological types of glioma. The authors experienced one case of multicentric cerebral glioma which consisted of bifrontal independent gliomas with different histological characteristics.
A 54-year-old female was admitted with one month's history of impaired mental concentration and dull occipital headache. Neuro-radiological examination revealed two relatively well circumscribed tumor masses, one in the medial side of the right frontal lobe and the other in the opercular region of the left frontal lobe. CT scan demonstrated complete independence of these two tumors and angiography showed them to have different features. They were removed independently by two frontal craniotomies. The right medial frontal lobe tumor was glioblastoma multiforme and the left opercular tumor was oligodendroglioma.