Pediatric Intracranial Aneurysm: A Diagnostic Dilemma Solved with Contrast-Enhanced MR Imaging
Arno Sungariana,
Jeffrey Roggb and
John A. Duncan, IIIa
a Department of Neurosurgery, Brown Medical School, Rhode Island Hospital, Providence
a Department of Neuroradiology, Brown Medical School, Rhode Island Hospital, Providence
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FIG 1. Nonenhanced coronal CT scan of the brain shows hydrocephalus and a left anterior frontal lobe hematoma extending into the suprasellar cistern.
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FIG 2. Cerebral angiogram shows diffuse spasm of the left anterior cerebral artery. Medial bowing of the left proximal A2 segment is shown.
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FIG 3. Sagittal MR images.
A, Nonenhanced T1-weighted image shows hyperacute hemorrhage in the frontal lobe parenchyma extending into the ventricular system. A hypointense ring with a partial, hyperintense inner margin was noted at the center of the parenchymal hematoma.
B, Contrast-enhanced image shows enhancement of the outer wall of an aneurysm of the anterior communicating artery.
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