Table 2. Histopathological distribution of other benign sinonasal tumors and their subtypes.

Histopathological diagnosis	n (%)
Hemangioma	33 (37.1)
Lobular capillary hemangioma	15 (45.5)
Cavernous hemangioma	8 (24.2)
Epithelioid hemangioma	1 (3.0)
Hemangioma, not specified	9 (27.3)
Hamartoma	16 (18.0)
Respiratory epithelial adenomatoid hamartoma	13 (81.2)
Seromucinous hamartoma	3 (18.8)
Ameloblastoma	7 (7.9)
Central giant cell granuloma	7 (7.9)
Odontogenic myxoma/fibromyxoma	5 (5.6)
Schwannoma	4 (4.5)
Meningioma	2 (2.2)
Mature teratoma	2 (2.2)
Solitary fibrous tumor	2 (2.2)
Langerhans cell histiocytoma	2 (2.2)
Benign spindle cell neoplasm, not specified	2 (2.2)
Sinonasal glomangiopericytoma	2 (2.2)
Pleomorphic adenoma	2 (2.2)
Aneurysmal bone cyst	1 (1.1)
Chondroma	1 (1.1)
Paraganglioma	1 (1.1)
Total	89 (100.0)

Data are presented as n (%). Percentages for main diagnoses were calculated among the 89 tumors classified as other benign sinonasal tumors; percentages for the indented hemangioma and hamartoma subtypes were calculated within their respective parent diagnoses