DOI: 10.36347/sasjm.2021.v07i06.012

Pages: 276-279

Introduction: Osteochondroma, otherwise known as osteogenic exostosis, is a benign surface tumor; it develops from an enchondral ossification bone, which and in contact with the epiphysis. Its most dreadful complication is chondrosarcoma. The aim: of our observation is to report a rare and dreadful complication of osteochondroma. Observation: This is an 08 year old female patient, without any particular pathological history, who consulted for a painful swelling of the lower extremity of the left thigh with a chronic evolution. Conclusion: Once the diagnosis of exostosis is made, an annual radiological control is mandatory. Carcinological resection is mandatory as soon as malignant transformation is suspected.