External Frontal Sinostomy to Drain Frontal Lobe Abscess

A case of frontal sinusitis with osteomyelitis of its posterior wall producing frontal lobe brain abscess is presented, whereby the posterior wall dehiscence was exposed by external sinostomy by an ENT surgeon and then, through the dehiscence, the abscess was drained by a neurosurgeon. This is an uncommon technique of draining a frontal lobe brain abscess where no frontal bone craniotomy was required. This approach yields the least damage to the cerebral tissue as the frontal abscess was very close to posterior wall of frontal sinus and drain has to travel through minimal intracerebral distance.