Hitoshi Yamahata, Kazuho Hirahara, Tetsuzou Tomosugi, Masahiko Yamada, Takeshi Ishii, Takashi Ishigami, Koichi Uetsuhara, Kazunobu Sueyoshi, Sumika Matsukida, Kazutaka Yatsushiro, Kazunori Arita
Computed tomography (CT), performed in a healthy 28-year-old man after minor head injury, detected a frontal base tumor. Neurological examination revealed left hyposmia. On magnetic resonance imaging scans, there was a heterogeneously enhanced tumor located in the left paramedian frontal base with extension into the left ethmoid sinus. Angiography showed a hypervascular mass in the left anterior cranial fossa; it was mainly fed by the left ethmoidal artery. Positron emission tomography scanning showed moderate accumulation of 11-methylmethionine and low accumulation of 18-fluorodeoxyglucose (FDG) at the tumor site...
May 2011: Skull Base Reports