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Indian J Radiol Imaging. 2019 Oct-Dec;29(4):468-471. doi: 10.4103/ijri.IJRI_488_18. Epub 2019 Dec 31.

Osseous metaplasia of antrochoanal polyp: Case report and radiological-pathological correlation.

Author information

1
Department of Radiology, Kothari Medical Centre, Kolkata, West Bengal, India.
2
Department of Otorhinolaryngology, Kothari Medical Centre, Kolkata, West Bengal, India.
3
Department of Pathology, NRS Medical College, Kolkata, West Bengal, India.

Abstract

Osseous metaplasia of inflammatory sinonasal polyp is an extremely rare entity. Correct preoperative diagnosis by noncontrast CT scan is needed to rule out other more common bony neoplasms in paranasal sinuses and for accurate surgical planning. Here, we present a case of 20-year-old patient with an antrochoanal polyp with osseous metaplasia. We describe the lesion and discuss the radiological differential diagnosis thereby providing a brief review of literature of the few published cases worldwide along with histopathological correlation.

KEYWORDS:

Antrochoanal polyp; CT; osseous metaplasia

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