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CC BY-NC-ND 4.0 · Journal of Health and Allied Sciences NU 2016; 06(02): 082-084
DOI: 10.1055/s-0040-1708649
Case Report

Osteoid Osteoma of the Ankle Posing As a Distal Tibiofibular Syndesmosis: A Rare Case Report

Anand Kumar S.
1   Chief consultant and senior surgeon, Department of Anaesthesiology, ARS hospital, Tirupur
,
Arjun Ballal
2   Registrar Department of Orthopaedics, Department of Anaesthesiology, ARS hospital, Tirupur
,
Anoop Hegde
3   Registrar Department of Orthopaedics, Department of Anaesthesiology, ARS hospital, Tirupur
,
A. Ponnambalam
4   Chief Anaesthesiologist and Intensivist, Department of Anaesthesiology, ARS hospital, Tirupur
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Abstract

Osteoid osteoma is a benign tumor of the bones. The adolescent males are the most commonly involved population. Pain of the affected site forms the common symptom during clinical presentation. The lower limbs are the most commonly affected site.

We present here a case report of a middle aged gentleman who presented to us with complaints of pain and mass over the non-dominant ankle for four years. Clinical examination revealed a bony hard swelling proximal to the lateral malleolus. The radiographs and CT scan reports were consistent with features suggestive of an exostosis bridging the distal tibio-fibular syndesmosis. Surgical exploration revealed a mass with definite borders bridging the distal tibio-fibular syndesmosis. Excision biopsy was performed and the histopathology of the specimen reported features consistent with that of an osteoid osteoma. The patient was started on physiotherapy of the ankle and he was noted to have full range of ankle motion at six months. As no such case has been reported in earlier in literature we present it as a rare case report.

Keywords

Osteoid osteoma - syndesmosis - exostosis - osteoblastic - subperiosteal


Publication History

Received: 14 October 2015

Accepted: 08 March 2016

Article published online:
22 April 2020

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