Sarcoidosis
Findings:
Axial MR images show abnormally thickened and enhancing
dura, predominantly on the right. Hypointensity is present in this area
on the T2WI. The pituitary stalk is slightly thickened.
Differential Diagnosis:
TB, sarcoidosis, meningeal carcinomatosis.
Discussion:
Leptomeningeal disease is a common manifestation
of neurosarcoidosis. Hypophysitis may also be seen. For more detailed discussion,
please refer to unknown #51.