Table 2. Tumor pathology.
| Tumor pathology | N |
|---|---|
| Pituitary adenoma | 88 |
| Other | 16 |
| Meningoencephalocele | 11 |
| CSF leak | 10 |
| Craniopharyngioma | 9 |
| Fibro-osseous lesions | 7 |
| Meningioma | 6 |
| Chordoma | 5 |
| Chondrosarcoma | 4 |
| Cholesterol granuloma | 4 |
| Adenocarcinoma | 4 |
| Squamous cell carcinoma | 3 |
| Esthesioblastoma | 3 |
| Inverted papilloma | 2 |
| Adenoid cystic carcinoma | 2 |
| SNUC | 1 |
| Melanoma | 1 |
Abbreviations: CSF, cerebrospinal fluid; SNUC, sinonasal undifferentiated carcinoma.
Note : Other includes Rathke's cleft cyst, prolapsed optic chiasm, metastatic pulmonary carcinoid tumor, respiratory epithelial adenomatoid hamartoma, mycetoma, sarcoma, juvenile angiofibroma, and lymphoma.