Primary Intraosseous Glomus Tumor: A Case Report

JONGKOLNEE SETTAKORN, M.D.*, PREECHA CHALIDAPONG, M.D.**, SAMREUNG RANGDAENG, M.D.* OLARN ARPORNCHAYANON, M.D.**, BENJAPORN CHAIWUN, M.D.*,

Affiliation : * Department of Pathology, ** Department of Orthopedics, Faculty of Medicine, Chiang Mai University, Chiang Mai, 50200, Thailand.

AbstractWe reported a rare case of a primary intraosseous glomus tumor in a 53-year-old woman who had a small lytic lesion in the distal phalanx of her left index finger. The radiologic appea- rance showed a well circumscribed osteolytic lesion without sclerotic rim. Histologic examination revealed solid nests or sheets of polygonal cells surrounding branching vasculatures consistent with a glomus tumor. Curettage resulted in complete removal of the tumor as well as pain alleviation. The patient was well without evidence of recurrent disease following an 18 month follow-up. Despite its rarity, intraosseous glomus tumor should be included in the differential diagnosis of bone lesions in which plain radiography showed a well circumscribed punch-out lesion without sclerotic rim especially those arising in the finger.

Keywords : Intraosseous Glomus Tumor, Glomus Tumor, Pericyte

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