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2010, Volume 26, Number 2, Page(s) 153-155     
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DOI: 10.5146/tjpath.2010.01013
Amylase Crystalloids on Fine-Needle Aspiration of the Salivary Gland
İrem PAKER, Murat ANLAR, Nebiyye GENEL, Murat ALPER
Department of Pathology, M.H. Dışkapı Yıldırım Beyazıt Education and Research Hospital, ANKARA, TURKEY
Keywords: Amylase crystalloids, Salivary gland, Cytology

Amylase crystalloids is one of the several types of crystalline structures that can be seen in non-neoplastic and neoplastic salivary gland lesions. Here, a 60-year-old woman with an infraauricular mass existing for two years is presented.

On ultrasound a cystic mass, 1 cm in diameter was detected in the tail of right parotid gland. Clear and mucoid fluid was obtained from the mass by fine-needle aspiration. Smears showed numerous rhomboid, rectangular or rod-shaped, non-birefringent crystalloid structures and a few acinar cell groups in a mucoid background rich in polymorphonuclear leucocytes and lymphoctes. It was reported as cystic sialadenitis with amylase crystalloids. In the four-month follow-up, there was no recurrence of the mass.

Since encountered only in benign salivary gland lesions in the literature as in our case, observation of amylase crystalloids on fine-needle aspiration smears indicates a benign lesion and avoids unnecessary surgery.

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