Intracranial abscesses are uncommon, serious, life-threatening infections. The abscesses can originate from infection of contiguous structures (eg, otitis m edia, dental infection, m astoiditis and sinusitis). D irect extension m ay occur through necrotic areas of osteomyelitis in the posterior w all of the frontal sinus, as w ell as through the sphenoid and ethmoid sinuses. But our patient had no direct extension on brain image