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Cavernous Malformation

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Cavernous Malformation

Elliot K. Fishman, MD
Director of Diagnostic Imaging and Body CT, Professor of Radiology and Radiological Science, Johns Hopkins
Karen M. Horton, MD
Professor and Interim Chair, Russell H. Morgan Department of Radiology and Radiological Science, Johns Hopkins
 
 

This is an infant with a history of seizures. These images demonstrate multiple popcorn like masses which show peripheral and central T2 hypointensity which blooms on the susceptibility weighted images and is compatible hemosiderin. There are several fluid-fluid levels with areas of intrinsic T1 hyperintensity compatible with intralesional hemorrhages of varying ages. These are all characteristic of cavernomas which are commonly seen with developmental venous anomalies. ⅔ solitary, 40-60 age M=F. It’s a benign vascular hamartoma which is usually occult on angiography. These can enlarge, regress, or arise de novo. In a patient of this age the otehr important differential consideration is arteriovenous malformation.