Vastus medialis partial tear

Case contributed by Henry Knipe
Diagnosis certain

Presentation

Football injury, unknown mechanism. Medial pain, bruising and swelling.

Patient Data

Age: 15 years
Gender: Male
mri

Myofascial injury to distal vastus medialis with 3 cm craniocaudal length fiber disruption and involving 10-50% cross-sectional diameter. Mild myofascial edema

Case Discussion

Moderately severe partial tear to distal vastus medialis (BAC grade 2a). A good reminder that not all "knee injuries" are articular.

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