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BMJ Case Rep. 2014 May 23;2014. pii: bcr2013202367. doi: 10.1136/bcr-2013-202367.

A huge oral pyogenic granuloma with extensive alveolar bone loss and 'sun-ray' appearance mimicking a malignant tumour.

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  • 1Department of Oral Medicine and Radiology, Manipal College of Dental Sciences, Manipal, Karnataka, India.
  • 2Department of Oral Pathology, KD Dental College, Mathura, Uttar Pradesh, India.


Pyogenic granuloma represents an exuberant connective tissue proliferation due to a chronic stimulus or injury. Aetiological factor for this lesion may sometimes be hard to identify, but the fact that it is usually located close to the gingival margin suggests that calculus, food materials and overhanging restorations are important irritants. It rarely grows more than 2 cm in diameter and usually does not cause any changes in the alveolar bone. We report an unusual case of pyogenic granuloma with unknown aetiology that presented as an extraordinarily large sessile bilobular lesion and showed a large radiographic defect in the alveolar bone with a sun-ray pattern. This kind of clinicoradiological appearance of pyogenic granuloma as presented in our case is rare and the first of its kind.

2014 BMJ Publishing Group Ltd.

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