“…They are well described [4] , [5] , [6] then classified from 1955 to 1985 by Watson-Jones [6] , Ogden [4] , Ryu and Debenham [5] . Its relation to Osgood-Schlatter disease, much more frequent, occurring earlier, but often found in the antecedents, remains to be clarified [7] . We described cases of tibial tubercle apophysis avulsion-fractures in two Cameroonian adolescents treated at Adlucem hospital in bonamoussadi-Douala.…”