Langerhans cell histiocytosis MRI

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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1] Associate Editor(s)-in-Chief: Haytham Allaham, M.D. [2]

Overview

MRI may be helpful in the diagnosis of Langerhans cell histiocytosis. Findings on T1 weighted MRI imaging suggestive of Langerhans cell histiocytosis include a well-defined, isointense, brain lesion associated with reactive dural enhancement.

MRI

• MRI may be helpful in the diagnosis of Langerhans cell histiocytosis.
• MRI image characteristics observed among medulloblastoma patients include:

• T1 weighted image demonstrates:

• An isointense lesion associated with reactive dural enhancement

• T2 weighted image demonstrates:

• Heterogeneously hyperintense lesion

• T1 weighted image iwth gadolinium contrast demonstrates:

• Marked contrast enhancement

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