Ameloblastic carcinoma arising from a preexistent ameloblastoma
نویسندگان
چکیده
منابع مشابه
Radiotherapy in the Treatment of Ameloblastoma and Ameloblastic Carcinoma
Objective: To determine the efficacy of radiotherapy in the treatment of ameloblastoma and ameloblastic
متن کاملspindle cell variant of ameloblastic carcinoma arising from an unicystic amelobastoma: report of a rare case
malignant transformation of ameloblastomas arising from an odontogenic cyst or de novo is wellrecognized. malignancies in ameloblastomas may involve metastasis or a local dysplastic change in the tissue. the latter are classified as ameloblastic carcinomas. a 75-year-old male presented with a mandibular cystic swelling, with no evidence of metastasis. dysplastic ameloblastic cells with spindlec...
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Abstract: development of squamous cell carcinoma from sebaceous cyst is uncommon.in this report , we report a77- old female patient who has had a sebaceous cyst for 20 years. The cyst started to grow during the last year. The patient underwent an operation for excision biopsy and The diagnosis was squamous cell carcinoma.
متن کاملAmeloblastic 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 کاملComparative evaluation of expression of proliferating cell nuclear antigen in variants of ameloblastoma and ameloblastic carcinoma.
AIM To evaluate the use of proliferating cell nuclear antigen index in the different histopathological variants of ameloblastoma, such as the follicular, plexiform, and unicystic types, and in ameloblastic carcinoma by immunohistochemical staining. The proliferating cell nuclear antigen index values of the variants of ameloblastomas and ameloblastic carcinomas are compared in order to determine...
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ژورنال
عنوان ژورنال: Jornal Brasileiro de Patologia e Medicina Laboratorial
سال: 2019
ISSN: 1676-2444
DOI: 10.5935/1676-2444.20190049