Case Notes
History
55 yo male with prior head CT revealing multiple calcific cystic lesion and normal ventricular size for chronological age. There had been a previous suboccipital craniotomy with partial removal of a lower pontomedullary cyst. Five months later the patient developed increasing headaches and CT evidence of internal obstructive hydrocephalus. The patient underwent a right VP shunt and midline suboccipital craniotomy for drainage of a sizable pontine cavernous malformation.Exam
CT head: pre, post or CTA