2019, Number 2
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Rev Odont Mex 2019; 23 (2)
Sarcomatoid carcinoma vs amelanotic malignant melanoma of the palate. Pathological and immunohistochemical study of a clinical case
Carrioni C, Urbano VS, Tovío ME, Herrera LS
Language: Spanish
References: 10
Page: 107-113
PDF size: 249.50 Kb.
ABSTRACT
Sarcomatoid carcinoma and amelanotic malignant melanoma are malignant neoplasms of very low prevalence in the head and neck region. They have aggressive behavior and very poor prognosis. Although they are considered as similar diseases, the histopathological or clinical study is not enough to confirm the diagnosis, so the immunohistochemical study is fundamental for complete ascertainment. This work reports a case of sarcomatoid carcinoma that appeared as a primary tumor at the anterior and middle portions of hard palate of a 79-year-old man. Clinically, in the first instance the main differential diagnosis was squamous cell carcinoma; however, the morphological findings after biopsy showed a malignant tumor of high histological grade. The possible etiology of the tumor, the behavior of the disease and the diagnosis are discussed here.
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