[Does echography contribute to the diagnosis and treatment of acute unknown, tied or bilateral torsion of testis?]. / L'échographie apporte-t-elle quelque chose dans le diagnostic et le traitement des torsions aiguës méconnues, unies ou bilatérales du testicule?

The authors present three cases of testicular torsion lately seen after a mistaken diagnosis. The interpretation of scrotal ultrasonographic examination was difficult. The authors insist to a carefully interpretation of an ultrasonographic examination in this cases particularly.