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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