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Introduction: Childhood obesity, a true international epidemic, is a multifactorial pathology including genetic and environmental factors.

Aim: Determine the prevalence and risk factors of overweight in Tunisian schoolchildren in the Bardo region, an urban department of the Tunis governorate.

Methods: Descriptive and cross-sectional study involving schoolchildren aged between 10 and 12 years old.

Anterior trans-olecranial dislocation of the elbow in children: A case report of an unusual form of elbow dislocation and review of literature.

• -olecranial fracture-dislocations are rare injuries in children. • It's a real therapeutic emergency. • Periosteum incarceration needs to be considered if closed reduction failed.

An unusual cause of shoulder pain: osteochondroma of ventral scapula (a case report).

Osteochondromas mainly affect the metaphysis of long bones such as femur, humerus, and tibia. It is unusual in flat bones such as scapula. Osteochondroma of ventral surface of scapula is one of the rare cause of shoulder pain and difficult to diagnose in first place.

Cervical spine tuberculosis.

Tuberculosis of the cervical spine differs from other vertebral localizations by its extreme rarity, the clinical images are very diversified, the radiological measurements allow a good diagnostic orientation and specifically the MRI which allows a multi-planar study of the various lesions. Only bacteriological evidence can confirm the diagnosis. The treatment is based on a 12-month antituberculosis multidrug therapy and much debate upon the surgical indication.