Abstract

NORA’S LESION-A RARE CASE REPORT

N. Lal1, N. Tiwari, P. Gupta*, F. A. Siddiqui, S. Z. Rizvi, A. Jaiswal, O. Musa

Abstract

Fibro-osseous pseudo tumor is a rare benign lesion reported as a differential diagnosis of a painful calcified swelling in the finger. Ossifying lesions of soft tissue are fairly uncommon. However they may be a cause of concern to the clinicians as extra skeletal osteosarcoma an aggressive bone forming lesion is a differential in such cases [1]. These cases give a clinically aggressive appearance leading to radical treatment of the lesion when actually the lesion is benign.[2,3] More than 45 cases of pseudo tumors have been reported till now[4,5]and to the best of my knowledge this is the first case to be reported from India. Fibro-osseous pseudo tumor of the digit is intriguing due to its odd location, i.e. tips of fingers and toes. However ours is the first case to be diagnosed in the thenar region. It is a superficially located lesion, in the dermis, therefore chances of ulceration and secondary infections are high .There is no racial or ethnic predilection and there is slight female preponderance and is thought to be a reactive process.[6-8]. Early diagnosis and resection of fibro-osseous pseudo tumor is important as it is a rare entity, having potential for misdiagnosis and overtreatment. Although till date no malignant transformation of fibro-osseous pseudo tumor has been reported, but a definite link has been seen between long standing chronic inflammatory or irritable lesions and neoplasia, therefore early excision is necessary. In difficult cases a punch biopsy can lead to a definite diagnosis.[9]

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