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Journal of Korean Neurosurgical Society 1992;21(9): 1198-1202.
Traumatic Aneurysm in the Posterior Cranial Fossa: Case Report.
Sea Jung Kim, Soon Kwan Choi, Hack Gun Bae, Kyeong Seok Lee, Won Han Shin, Il Gyu Yun, In Soo Lee, Bark Jang Byun
Department of Neurosurgery, College of Medicine, Soonchunhyang University Hospital, Seoul, Korea.
ABSTRACT
The traumatic intracranial aneurysm within the posterior cranial fossa is extremely rare. The case of a 18-year-old boy who developed an saccular aneurysm lately in the posterior fossa after a blunt head injury is reported. Repeated follow-up angiography demonstrated an saccular aneurysm at the junction of vertebral artery and posterior inferior cerebellar artery. Early brain MRI disclosed neither aneurysm nor mass. Late brain MRI revealed a partially thrombosed saccular aneurysm at the cerebello pontine angle. Follow-up MRI and angiography is recommended if traumatic aneurysm is suspected.
Key Words: Traumatic aneurysm; Posterior cranial fossa; Closed head injury; Vertebral artery; Posterior inferior cerebellar artery
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