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CASE REPORT
Year : 2011  |  Volume : 1  |  Issue : 4  |  Page : 236-238

Rare case of pleomorphic adenoma: A case report


1 Reader, Dept. of Oral Surgery, Priyadarshini Dental College and Hospital, Chennai, India
2 Senior Lecturer, Dept. of Oral Surgery, Priyadarshini Dental College and Hospital, Chennai, India

Correspondence Address:
Dr. Loganathan Selvaraj
Senior Lecturer, Dept. of Oral Surgery, Priyadarshini Dental College and Hospital, Chennai
India
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Source of Support: None, Conflict of Interest: None


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Pleomorphic adenoma is a benign tumor originating from the mature salivary tissue. Ectopic pleomorphic adenoma is defined as an unusual presentation of pleomorphic adenoma in other sites except the major salivary gland and the minor salivary gland. Ectopic pleomorphic adenoma has been found in the soft tissue of the neck, in the skin of the external auditory canal, in the subcutaneous layer of the nose, and in the lymph node of the mediastinum. Ectopic pleomorphic adenoma could appear due to the metastasis, the neoplastic degeneration of the ectopic salivary tissue or the implantation after the surgery of a salivary gland tumor. We present a case of pleomorphic adenoma found in the superficial subcutaneous layer above the superficial musculoaponeurotic system (SMAS) of the anterior border of masseter muscle over the body of the mandible area. The patient had no history of trauma or surgery of the salivary tumor and no specific physical finding. No case of the ectopic salivary tissue or ectopic pleomorphic adenoma in the superficial subcutaneous layer of the anterior border of masseter muscle over the body of the mandible area has been reported. This case could be a rare presentation of the ectopic pleomorphic adenoma from the ectopic salivary tissue arising from the division of the parotid gland in early embryonic period.


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