Table 4.

Differential diagnosis of dural-based lesions.

Type of Dural-Based Lesions	Differential Diagnosis
Neoplastic	Actinomycoma, Carcinomas, Chondromas, Ependymoma, Ewing sarcoma, Gliosarcomas, Hemangiopericytomas, Hodgkin’s disease, Inflammatory pseudotumors, Lymphoma, Melanoma, Melanocytomas, Neuroblastoma, Plasmacytoma, Sarcomas, Solitary fibrous tumors, and Xanthoastrocytoma
Metastatic Dural Tumors	Metastatic disease from Adenoid carcinoma, Breast, Colon, Gallbladder, Kidney, Leiomyosarcoma, Lung, and Prostate
Inflammatory	Castleman disease, Neurosarcoidosis, Plasma cell granulomas, Rheumatoid nodules, Rosai-Dorfman disease, and Xanthomas
Infectious	Human immunodeficiency virus-1 associated with leiomyosarcomas, Mycobacterium tuberculosis, and Mycobacterium avium complex
Other	Extramedullary hematopoiesis