ABSTRACT

We evaluated 43 magnetic resonance scans of the leg or thigh of patients suffering from sports trauma. Strains were the most frequent lesions observed. These lesions presented iso- or hypointense signal on T1 and hyperintense signal on T2 images, and were classified according to the intensity of the injury of the fibers into grades 1, 2 and 3. The second most common lesions in these series were contusions that appeared iso- or hypointense on T1 and hyperintense on T2 images. Fibrosis was also observed as low signal lesions on T1 and T2 images.

Keywords: Muscle injuries, Athletes, Magnetic resonance imaging

RESUMO

Neste trabalho foram avaliados 43 exames de ressonância magnética de perna ou coxa, com alterações traumáticas relacionadas à prática de esportes. Os estiramentos foram as lesões mais encontradas e apresentaram imagem iso ou hipointensa em T1 e hiperintensa em T2, sendo classificados, de acordo com a porcentagem de fibras lesadas, em graus 1, 2 e 3. Em segundo foram observadas as contusões, cujas características foram sinal hipo ou isointenso em T1 e hiperintenso em T2, e, por fim, as fibroses, que se caracterizaram por sinal hipointenso em T1 e em T2.

Palavras-chave: Injúrias musculares, Atletas, Ressonância magnética

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