Table 2 Frequency and percentage distributions of histopathological diagnosis of malignant lesions
From: Oro-facial malignancy in north of Iraq: a retrospective study of biopsied cases
| Diagnosis | No | % | |
|---|---|---|---|
| Hematologic neoplasm (32, 9.5%) | Lymphoma | 17 | 5.04 |
| Non-Hodgkin’s lymphoma | 6 | 1.78 | |
| Diffuse large B-cell lymphoma | 2 | 0.59 | |
| Burkitt’s lymphoma | 1 | 0.3 | |
| Multiple myeloma | 1 | 0.3 | |
| Langerhans cell histiocytosis X | 4 | 1.19 | |
| Plasma cell tumor | 1 | 0.3 | |
| Bone tumor (14, 4.2%) | Spindle cell sarcoma | 1 | 0.3 |
| Ewing sarcoma | 1 | 0.3 | |
| Osteochondrosarcoma | 2 | 0.59 | |
| Osteosarcoma | 10 | 2.97 | |
| Melanotic (6, 1.8%) | Melanoma | 6 | 1.8 |
| Odontogenic (7, 2.1%) | Melanotic neuroectodermal tumor | 2 | 0.59 |
| Ameloblastic carcinoma | 5 | 1.48 | |
| Soft tissue sarcoma (6, 1.8%) | Rhabdomyosarcoma | 2 | 0.59 |
| Spindle cell sarcoma | 1 | 0.3 | |
| Malignant fibrous histiocytoma | 1 | 0.3 | |
| Angiosarcoma | 1 | 0.3 | |
| Small cell tumor | 1 | 0.3 | |
| Salivary gland tumors (59, 17.51%) | Adenoid cystic carcinoma | 24 | 7.12 |
| Mucoepidermoid carcinoma | 15 | 4.45 | |
| Polymorphous low-grade adenocarcinoma | 8 | 2.37 | |
| Acinic cell carcinoma | 3 | 0.89 | |
| Carcinoma ex pleomorphic adenoma | 3 | 0.89 | |
| Mammary analogue secretory carcinoma | 2 | 0.59 | |
| Epithelial-myoepithelial carcinoma | 1 | 0.3 | |
| Myoepithelial carcinoma | 1 | 0.3 | |
| Intraductal carcinoma | 1 | 0.3 | |
| Papillary carcinoma | 1 | 0.3 | |
| Carcinoma (213, 63. 24%) | Squamous cell carcinoma | 190 | 56.4 |
| Basal cell carcinoma | 11 | 3.3 | |
| Hutchinson’s freckle | 1 | 0.3 | |
| Verrucous carcinoma | 6 | 1.78 | |
| Metastatic carcinoma | 1 | 0.3 | |
| Nasopharyngeal carcinoma | 1 | 0.3 | |
| Undifferentiated carcinoma | 3 | 0.89 | |
| Total | 337 | 100 | |