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La tuberculose osseuse est une maladie infectieuse qui constitue un veritable probleme de sante publique dans les pays en voie de developpement ou elle sevit de maniere endemique. L'atteinte osteo-articulaire represente 1 a 5% des cas de tuberculose toutes localisations confondues, l'atteinte de l'epaule reste tres rare et represente 1 a 2% des localisations osteo-articulaires. Nous presentons ici un nouveau cas exceptionnel d'une infection tuberculeuse de l'omoplate, atteignant le corps de l'omoplate. La tuberculose est encore un diagnostic differentiel important des maladies rares ou chroniques des os, notamment tumorales. Le diagnostic a ete redresse par l'etude anatomopathologique. Mots cles: Omoplate, tuberculose, enfant English Title: Scapular involvement: uncommon presentation of childhood tuberculosis English Abstract Tuberculosis of bone is an infectious disease which represents a major public health problem in developing countries where it is endemic. Osteoarticular involvement accounts for 1-5% of all cases of tuberculosis, shoulder involvement is very rare and accounts for 1-2% of all cases of osteoarticular tuberculosis. We here report an uncommon case of TB infection involving the scapula, reaching the scapular body. Tuberculosis is still an important differential diagnosis of rare or chronic bone diseases, including tumors. In our study anatomopathological examination led to the diagnosis. Keywords: Scapula, tuberculosis, child

Anevrysmal bone cyst is an aggressive, destructive but benign lesion in the long bones, spine or basin, affecting mainly children and young adults. However, it is a very rare tumor. We here report the case of a 8-year old boy with a very rare localization of anevrysmal cyst in the clavicle, initially presenting with pathologic bone fracture, that is a benign cystic lesion. The child underwent complete radical resection of the cyst located at the level of the right clavicle, followed by anatomopathological examination of surgical specimen which confirmed the diagnosis. Patient's evolution was marked by the absence of recurrences and by good radiologic bone remodeling. Radical cyst resection seems to avoid recidivism. This study aims to update the current understanding of this rare orthopaedic condition by comparing our results with those reported in the world literature.