Adenosquamous carcinoma of the parotid gland
نویسندگان
چکیده
Adenosquamous carcinoma (ASC) is a rare malignant tumor in the head and neck region and usually it occurs as a mucosal carcinoma. The World Health Organization classification1 shows this tumor as a variation of squamous cell carcinoma (SCC), whereas the Armed Forces Institute of Pathology (AFIP) classification2 categorized it as a salivary gland tumor. In the AFIP guidelines, the occurrence of ASC is limited to the minor salivary glands not in the major salivary glands. This article is protected by copyright. All rights reserved.
منابع مشابه
Parotid Gland Carcinoma Masquerading as an Aural Polyp
Introduction Parotid gland squamous cell carcinoma is an uncommon aggressive neoplasm with poor prognosis. Aural polyps are usually the presenting features of chronic suppurative otitis media, tuberculous otitis media, and adenoma or carcinoma. The malignant aural polyp is very rare. Parotid gland carcinoma masquerading as an aural polyp has rarely been described in the literature. ...
متن کاملAcinic Cell Carcinoma of the Parotid Gland with Four Morphological Features
Acinic cell carcinoma arising in salivary glands is a rare tumor, accounting for 2% to 5% of the primary neoplasms of the parotid gland. When these tumors are well-differentiated, the neoplasia has innocuous aspect, due to the similarity to normal parotid tissue. This makes the diagnosis difficult. Initially the malignancy of this tumor was uncertain; however, recent studies have declared it as...
متن کاملSclerosing Mucoepidermoid Carcinoma of the Parotid Gland
Introduction: Mucoepidermoid carcinoma represents one of the most common malignant salivary gland tumors.However, the sclerosing morphologic variant is extremely rare with only 23 reported cases in the English-language literature since it was discovered in 1987. Case Report: Herein, we describe another case that was diagnosed in a 25-year-old woman presenting with a posterior auricular mass, ...
متن کاملParotid metastasis as the first presentation of papillary thyroid carcinoma
Parotid metastasis originated from papillary thyroid carcinoma is extremely rare, especially as the first presentation of the disease. We present a 70-year-old man with a history of painless swelling in the right side of the neck. He was evaluated for parotid tumor and histopathologic examination revealed a poorly differentiated carcinoma in the parotid gland with suspicion of thyroid origin. T...
متن کاملSalivary Duct Carcinoma with Late Distant Brain and Cutaneous Metastasis: A Case Report
with poor prognosis, rapid growth, distant metastasis, early regional metastasis, and a high rate of recurrence. The parotid gland is the most common site of involvement, and the lungs and the bones are the most common sites of distant metastasis of SDC. Herein, we present a case of SDC of the parotid gland in a 62-year-old male patient with an unusual metastasis to the skin of the primary site...
متن کامل