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Fine Needle Aspiration Cytology of Parathyroid Neoplasms  

Saikia UN, Saikia B, Dey P, Rajwanshi A

Abstract

A total of five cases of parathyroid neoplasm including four of parathyroid adenoma (PA) and one case of parathyroid carcinoma (PC) with available cytology and histology were studied. The salient cytological features included predominant dissociated epithelial cells with small groups pallisading around capillaries, more so in PC. Minimal nuclear pleomorphism with evenly dispersed nuclear chromatin and presence of single to multiple inconspicuous nucleoli differentiate parathyroid from thyroid neoplasms. Presence of abundant pale blue cytoplasm showing vacuolations and lipophages in the background are soft pointers to neoplasms of parathyroid origin. Cytology together with the clinical, biochemical, and radiological data may allow the recognition of parathyroid neoplasms prior to surgical intervention.

Journal of Cytology 2004: 21(3): 140-143

Key words: FNAC, Parathyroid