I apologize. It's been awhile since I posted an interesting case. I am fortunate that I see plenty of interesting cases. I've been saving them and adding them to my collection. The hard part is finding time to post them. It's odd how little time that there is left in the day after working. Enough excuses. Here's another case...
This patient was a 35-year-old female who presented with nonspecific complaints of headache and a single unwitnessed possible seizure. Her past medical history was noncontributory. An MRI demonstrated the following abnormality...
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| Coronal T2 |
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| Coronal T1 post-contrast |
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| Sagittal T1 post-contrast |
Neurosurgery was consulted; a stereotactic biopsy was undertaken shortly thereafter.
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| H&E |
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| H&E |
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| H&E |
Your mission, should you choose to accept it, is to arrive at the correct diagnosis. If your computer is windows-based, it will self-destruct in 10,9,8,7... (<-- if you didn't get the joke, it's a satire of the old mission impossible TV show to poke fun of PCs...)
Bonus points for naming the eponymously-named cells which suggest the proper etiology.
Hint - remembering the
entire radiologic differential diagnosis for ring-enhancing lesions in the CNS will significantly narrow the differential diagnosis.
Click
here for the case discussion...
