[Frontal lobe abscess as a complication of frontal sinus osteoma].Laryngol Rhinol Otol (Stuttg). 1988 Mar; 67(3):136-7.LR
A frontal brain abscess was caused by an osteoma of the frontal sinus. This osteoma had destroyed the posterior wall and was blocking the infundibulum. Under these preconditions a sinusitis frontalis was followed by an intracranial infection and a brain abscess.