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Ameloblastic carcinoma is a rare form of malignant odontogenic tumor, that develops in the jawbones from the epithelial cells that generate the tooth enamel. It is usually treated with surgery; chemotherapy has not been proven to be effective.
An odontogenic tumor is a neoplasm of the cells or tissues that initiate odontogenic processes.. Examples include: Adenomatoid odontogenic tumor; Ameloblastic fibroma ...
Ameloblastic fibroma is a rare benign mixed epithelial and mesenchymal odontogenic tumour as it contributes to approximately 2% of all odontogenic tumours. It often occurs in the first or second decade of life. Ameloblastic fibroma usually appears as painless swelling of the jaw in the posterior region of the mandible. [2]
Primary intraosseous or ameloblastic carcinoma; M9271/0 Ameloblastic fibrodentinoma Dentinoma; M9272/0 Cementoma, NOS Periapical cemental dysplasia or cemento-osseus dysplasia; M9273/0 Cementoblastoma, benign M9274/0 Cementifying fibroma Cemento-ossifying fibroma; M9275/0 Gigantiform cementoma Florid osseus dysplasia; M9280/0 Odontoma, NOS
Ameloblastoma is a rare, benign or cancerous tumor of odontogenic epithelium (ameloblasts, or outside portion, of the teeth during development) much more commonly appearing in the lower jaw than the upper jaw. [1]
The ameloblastic fibro-odontoma (AFO) is essentially a benign tumor with the features characteristic of ameloblastic fibroma along with enamel and dentin (hard tissues). [4] Though it is generally regarded as benign, there have been cases of its malignant transformation into ameloblastic fibrosarcoma [ 5 ] and odontogenic sarcoma. [ 6 ]
Calcifying odontogenic cyst (COC) is a rare developmental lesion that comes from odontogenic epithelium. [2] It is also known as a calcifying cystic odontogenic tumor, which is a proliferation of odontogenic epithelium and scattered nest of ghost cells and calcifications that may form the lining of a cyst, or present as a solid mass.
Ceruminous adenocarcinoma is a malignant neoplasm derived from ceruminous glands of the external auditory canal.This tumor is rare, with several names used in the past. [3] [4] Synonyms have included cylindroma, ceruminoma, ceruminous adenocarcinoma, not otherwise specified (NOS), ceruminous adenoid cystic carcinoma (ACC), [1] [2] and ceruminous mucoepidermoid carcinoma.