Abstract: Introduction: An osteochondroma / exostosis is a common benign bone tumour covered by cartilaginous cap. Common location are proximal tibia, proximal humerus and distal femur. We report a case of solitary osteochondroma of distal tibia with distal fibula synostosis in an adult male.
Discussion: Osteochondromass are generally diagnosed incidentally during radiographic examination (sessile or pedunculate) or clinically if size is large. Generally, they are asymptomatic. They could be solitary or multiple hereditary exostosis. Age of affection is commonly between 10-30yrs. Observation is the treatment in majority of the cases. Surgical resection is indicated in case of pain, pressure symptoms on neurovascular structures, cosmesis and progression. Osteochondromas are rarely found around foot and ankle.
Conclusion: Most of the osteochondromas are treated conservatively by observation till skeletal maturity. Osteochondroma affecting distal tibia/fibula may be treated with surgical excision in an adult in view of cosmesis, prevention of fracture due to trauma, bursitis due to friction/ pain and mechanical restriction to movements.
