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78 year old with increasing gait difficulty
FLAIR
T1 noncontrast
T1 post Gad
T1 post Gad
Findings:
Multiple enhancing mass lesions with vasogenic edema. Leptomeningeal enhancement.
DDX:
Meningitis/Abscesses, Sarcoid, Lymphoma, Metastases
Diagnosis:
Leptomeningeal metastases (carcinomatosis) in patient with non small cell lung carcinoma
Discussion:
Combination of enhancing nodules and leptomeningeal enhancement is highly suggestive of widely disseminated metastases .
Submitted by Farrah Jabeen, MD, UW Neuroradiology Fellow