Characteristics of malignant dural-based tumors
| Pathology | No. of Cases (n = 31) |
|---|---|
| Metastasis | 18 (58%) |
| Adenoid cystic carcinoma | 5 |
| Lung (non-small cell) | 3 |
| Breast (invasive ductal carcinoma) | 2 |
| Squamous cell carcinoma at scalp | 2 |
| Urachal carcinoma | 1 |
| Thyroid (follicular carcinoma) | 1 |
| Mucoepidermoid carcinoma | 1 |
| Nasopharynx (SCCA) | 1 |
| Base of tongue (SCCA) | 1 |
| Colon (adenocarcinoma) | 1 |
| Plasmacytoma/multiple myeloma | 6 (19.3%) |
| Ewing sarcoma | 2 (6.4%) |
| Lymphoma (non-Hodgkin) | 2 (6.4%) |
| Osteosarcoma | 1 (3.4%) |
| Spindle cell carcinoma | 1 (3.4%) |
| Atypical teratoid/rhabdoid tumor | 1 (3.4%) |
Note:—SCCA indicates squamous cell carcinoma.