Year : 2014  |  Volume : 16  |  Issue : 1  |  Page : 45-46

Carotid body paraganglioma fine-needle aspiration cytology

Department of Pathology, Dr. BC Roy PGIPS, Kolkata, West Bengal, India

Correspondence Address:
Dr. Arijit Majumdar
Vill.-Duilya, Charaktala P.O. - Andul, Howrah - 711 302, West Bengal
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/2276-7096.132581

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Carotid body tumor (CBT) is a Paraganglioma arising from the chief cells of the carotid body, which is situated at the bifurcation of the common carotid artery. We describe the fine needle aspiration cytology findings of one such tumor in a 45-year-old man. The aspirate was hemorrhagic with clusters of round to oval cells showing moderate  anisokaryosis [anisokaryosis is found to be used in standard textbook of cytology (like Orell, Gray, Bibo, Chiba's text book of cytology) to indicate the varion in size of the nucleus. In hematology 'anisocytosis' is used to indicate the variation in red cell size]. Delicate fibrous strands with spindle cells were observed within these clusters. Based on these cytologic findings and the location of the swelling, a diagnosis of CBT was made. The mass was excised and the diagnosis was confirmed on histopathological examination. Our case report adds to the existing literature on cytologic diagnosis of CBT, further attesting to its safety and accuracy.

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