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Case Report

Clear Cell Myoepithelioma of Palate with Emphasis on Clinical and Histological Differential Diagnosis

by
Bindu J. Nair
1,*,
Velayudhannair Vivek
2,
Trivandrum T. Sivakumar
1,
Anna P. Joseph
1,
Babyamma Raghavanpillai Varun
1 and
Vinod Mony
1
1
Department of Oral Pathology and Microbiology, PMS College of Dental Science and Research, Kerala, India
2
Department of Oral Medicine and Radiology, PMS College of Dental Science and Research, Kerala, India
*
Author to whom correspondence should be addressed.
Clin. Pract. 2014, 4(1), 628; https://doi.org/10.4081/cp.2014.628
Submission received: 31 December 2013 / Revised: 2 April 2014 / Accepted: 11 April 2014 / Published: 7 May 2014

Abstract

Myoepitheliomas account for less than 1% of all salivary gland tumors and mostly occur in the parotid gland and palate. A 58-year old male patient reported to the Outpatient Department of PMS College of Dental Science and Research (Kerala, India) with a slow growing painless swelling on the palate for 4 years. Pleomorphic adenoma, basal cell adenoma, myoepithelioma, cyst adenoma, lipoma, neurofibroma, neurilemmoma and leiomyoma were considered. Histopathology revealed a thinly encapsulated tumor composed mainly of sheets of clear cells mixed with cells having eosinophilic cytoplasm. Histopathological differential diagnosis included pleomorphic adenoma, oncocytoma, oncocytic hyperplasia, sebaceous adenoma, malignant salivary gland neoplasms and metastatic lesions from kidney and thyroid. Myoepitheliomas mostly occur in the parotid gland and palatal region and various histological types of myoepithelioma are described. Myoepitheliomas of the palate are rare with clear cell variant even rarer.
Keywords: myoepithelioma; soft tissue neoplasms; salivary gland; palate myoepithelioma; soft tissue neoplasms; salivary gland; palate

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MDPI and ACS Style

Nair, B.J.; Vivek, V.; Sivakumar, T.T.; Joseph, A.P.; Varun, B.R.; Mony, V. Clear Cell Myoepithelioma of Palate with Emphasis on Clinical and Histological Differential Diagnosis. Clin. Pract. 2014, 4, 628. https://doi.org/10.4081/cp.2014.628

AMA Style

Nair BJ, Vivek V, Sivakumar TT, Joseph AP, Varun BR, Mony V. Clear Cell Myoepithelioma of Palate with Emphasis on Clinical and Histological Differential Diagnosis. Clinics and Practice. 2014; 4(1):628. https://doi.org/10.4081/cp.2014.628

Chicago/Turabian Style

Nair, Bindu J., Velayudhannair Vivek, Trivandrum T. Sivakumar, Anna P. Joseph, Babyamma Raghavanpillai Varun, and Vinod Mony. 2014. "Clear Cell Myoepithelioma of Palate with Emphasis on Clinical and Histological Differential Diagnosis" Clinics and Practice 4, no. 1: 628. https://doi.org/10.4081/cp.2014.628

APA Style

Nair, B. J., Vivek, V., Sivakumar, T. T., Joseph, A. P., Varun, B. R., & Mony, V. (2014). Clear Cell Myoepithelioma of Palate with Emphasis on Clinical and Histological Differential Diagnosis. Clinics and Practice, 4(1), 628. https://doi.org/10.4081/cp.2014.628

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