Highlights Most injuries in school occur during sport. Avulsion fractures of the tibial tubercle are uncommon school sports injuries. X-ray is the key to diagnosis. Then CT scan is needed to evaluate the fracture extension to the articular joint. Many cases are misdiagnosed and progress to recurvatum deformity especially in open physis individuals after neglected tibial tuberosity fractures. These injuries cause significant disruption to school and sport, but fortunately, complications are rare and functional recovery is usually complete.

Highlights Bilateral posterior hip dislocations are very rare injury, resulting from high energy trauma. After elimination of vital emergencies and radiological assessment, reduction must be rapid within 6 h. Post reduction CT-scan is essential to analyze the femoral head and the hip joint congruity. In case of irreducibility or associated Pipkin’s fracture, an open approach is indicated. The main complications are avascular necrosis, heterotopic ossification, and posttraumatic osteoarthritis.

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A pure divergent dislocation involving the index and middle finger carpometacarpal joints is an extremely rare injury. We present a case of 21-year-old military man, victim of a motor vehicle accident, admitted at the emergency department unable to move his left hand with major swelling. X-rays and CT scan showed a dorsal dislocation of second and palmar dislocation of the third carpometacarpal joints without associated fracture, In the Operating room under general anesthesia, patient underwent closed reduction and internal fixation with percutaneous K-Wires followed by cast immobilization during 6 weeks. Physiotherapy was started progressively after k-wires removal. At two months follow-up, results were excellent and patient has recovered all of his range of motion and hand activities, at one-year follow-up he was able to perform all military exercises such as pumping and climbing.

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