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9b - Answer: 37-year-old female with condition in the 4th ventricle
Stephen J Pomeranz, MD
Chief Medical Officer, ProScan Imaging. Founder, MRI Online
Includes DICOM files
MOST LIKELY DIAGNOSIS: Subependymoma
This 37-year-old female presents with a 4th ventricle subependymoma. You could sure miss this!
The inferior 4th ventricle is the most common location followed by the lateral ventricle (over 90% are in 4th or lateral). They may not enhance, but the 4th ventricular ones are more likely to, as seen in this case. Subependymoma is seen in an older patient demographic than ependymoma. Most subependymomas under 2 centimeters are asymptomatic.
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LESSON 2, TOPIC 27
Case Challenge: Brain MRI Cases
Case Challenge
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Content reviewed: July 23, 2021