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W Lee, F Hui, YY Sitoh
Correspondence: Dr Wickly Lee, email@example.com
Enhancement of intracranial thrombosed aneurysms is an uncommon finding on magnetic resonance (MR) imaging, and can present diagnostic difficulties and complicate management decisions. We report a 46-year-old man who had an enhancing thrombosed intracranial aneurysm observed on 3T MR imaging. There was angiographical correlation, with follow-up serial MR imaging documenting regression and improvement. Findings are typical for benign intravascular papillary endothelial hyperplasia. Differential diagnoses of giant serpentine intracranial aneurysm and malignant angiosarcoma are discussed.
Keywords: 3T magnetic resonance imaging, angiosarcoma, emhancing intracranial thrombosed aneurysm, giant serpentine intracranial aneurysm, intravascular papillary endothelial hyperplasia
Singapore Med J 2004; 45(7): 330-333