Giant osteoma of the frontoethmoidal sinus associated with two cerebral abscesses.

A 36-year-old woman presented with severe frontal headache, fever, left palpebral swelling, and proptosis. Radiographic studies showed a giant frontoethmoidal osteoma, that extended intracranially into the frontal lobe and was associated with two abscesses, one within the lesion and the other in the right frontal lobe. The tumour was excised and the abscesses drained.

Invasion of a peritoneal catheter into the inferior vena cava: report of a unique case.

A case is reported in which the peritoneal catheter of a ventriculoperitoneal shunt was found to have eroded into the inferior vena cava. It was working well, draining CSF, even through oriented against the flow of blood.