Use of magnetic resonance imaging to detect neoplastic meningitis: Limited use in leukemia and lymphoma but convincing results in solid tumors

Diagnostic value of MRI for diagnosing meningitis is especially limited in patients with hematopoietic malignancies. MRI better detected leptomeningeal involvement caused by solid tumors than by leukemia or lymphoma. The ppv to specify neoplastic meningitis depends on tumor subtype.