Primary or secondary neoplasm in the ARACHNOID or SUBARACHNOID SPACE. It appears as a diffuse fibrotic thickening of the MENINGES associated with variable degrees of inflammation.
Also Known As:
Leptomeningeal Carcinomatosis; Carcinomatoses, Leptomeningeal; Carcinomatoses, Meningeal; Carcinomatosis, Leptomeningeal; Carcinomatosis, Meningeal; Carcinomatous Meningitides; Leptomeningeal Carcinomatoses; Meningeal Carcinomatoses; Meningitides, Carcinomatous; Meningitis, Carcinomatous; Carcinomatous Meningitis