Medical and Clinical Case Reports
Open AccessMixed Gangrene of the Pelvic Limb Secondary to a Tibial Osteochondroma
Authors: ABDOUL WAHAB Allassane Mohamed, Garba IDE, Alzouma Atinine Moutalibi, Ismael Manou, Cheffou M Soumaila, Souna Badio Seyni.
Abstract
Osteochondroma, also known as exostosis, is a common benign tumor that develops during growth, and is usually asymptomatic. It occurs preferentially on the distal femur (30%) and proximal tibia (20%). Its radiographic appearance, when solitary, is frequently pathognomonic, enabling a diagnosis of certainty even in the absence of anatomopathological confirmation. Its discovery is most often fortuitous, but can exceptionally be revealed during a vascular-nervous complication. We report the case of a 38-year-old patient with a history of traumatic left tibio-talar disarticulation, admitted to the surgical emergency department with mixed gangrene of the left pelvic limb, revealing an exostosis at the level of the tibial disarticulation stump. Standard radiographs of the left knee showed a solitary pedunculated osteochondroma of the posterior aspect of the upper end of the tibia. A long posterior valve disarticulation of the left knee was indicated, and the post-operative course was straight forward.
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