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Intraductal Carcinoma of the Parotid Gland as a Rare Neoplasm: A Case Report and Literature Review
Eugénie Delaine1, Andrea Avagnina1, Stéphane Yerly2
1Department of Otorhinolaryngology, Hôpital de Sion, Centre Hospitalier du Valais Romand, Sion, Switzerland.
Background:
Intraductal carcinoma is a rare low grade neoplasm of salivary glands with an excellent prognosis. It most frequently occurs in the parotid gland. Ectopic localizations are quite rare.
Methods:
This case report describes a man in his 60's who was referred to ear, nose and throat outpatient department with 1-month history of painless swelling of the right parotid region.
Results:
Ultrasound-guided fine-needle aspiration unveiled a cytologic specimen judged as "suspicious for malignancy" and patient underwent a partial superficial parotidectomy. Immunohistochemistry confirmed diagnosis of intraductal carcinoma of right parotid gland.
Conclusions:
There are few reported cases concerning this clinical entity following thorough review of the literature and recent developments with reference to the contribution of cytology and histopathology will probably modify its classification and management.
