منابع مشابه
Ameloblastic Carcinoma
BACKGROUND Ameloblastic carcinoma secondary type is an extremely rare and aggressive odontogenic neoplasm that exhibits histological features of malignancy in primary and metastatic sites. It arises through carcinomatous de-differentiation of a pre-existing ameloblastoma or odontogenic cyst, typically following repeated treatments and recurrences of the benign precursor neoplasm. Identification...
متن کاملMaxillary Ameloblastic Carcinoma
Odontogenic carcinomas of the maxilla are classified as malignant ameloblastoma, ameloblastic carcinoma, or primary intraosseous carcinoma. The term ameloblastic carcinoma is used to describe those ameloblastomas in which there is histological evidence of malignancy in the primary, recurrent, or metastatic tumour. The maxilla is an unusual site for ameloblastoma. This report is of a patient wit...
متن کاملAmeloblastic carcinoma of the maxillary sinus.
Ameloblastic carcinoma is a very rare malignant odontogenic neoplasm of the mandible and maxilla, accounting for some 66 reported cases. The case of a 68-year-old man who presented a fistula with orosinus communication of 14-year duration that, after anti-aggregant therapy, began bleeding is reported. The initial microscopic evaluation of the biopsy and radiographic findings were consistent wit...
متن کاملPrimary Intraosseous Carcinoma of the Maxilla
A primary intraosseous carcinoma (PIOC) is a squamous cell carcinoma arising within the jawbone andshould be differentiated from a malignant ameloblastoma. It is not due to arising from an odontogenic cyst or tumor. The possibility of the lesion being a metastasis fromanotherprimary site should be considered, and excluded by a careful history and examination. The diagnosis of a PIOC is ra...
متن کاملPrimary ameloblastic carcinoma of the maxilla: A case report and literature review
Ameloblastic carcinoma (AC) is a rare malignant odontogenic neoplasm that tends to occur in the mandible rather than in the maxilla. This malignancy is classified as a tumor that combines the morphological features of ameloblastoma and carcinoma, regardless of the presence or absence of metastasis. In addition, AC has been classified into two types, primary and secondary. The former develops de...
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ژورنال
عنوان ژورنال: Ear, Nose & Throat Journal
سال: 2019
ISSN: 0145-5613,1942-7522
DOI: 10.1177/0145561319841179