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Larger tibial tubercle-trochlear groove distance found in non-contact ACL tears in adolescents
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Adolescents and young adults with non-contact ACL tears had a statistically larger tibial tubercle-trochlear groove distance compared with intact-ACL control knees, according to results.
Researchers compared the MRI studies of 60 adolescent and young adult patients with ACL-deficient knees with those of 60 patients with the ACL intact. MRI was performed after a non-contact sports injury, and researchers measured the tibial tubercle-trochlear groove (TT-TG) distance on protein density-weighted axial images.
Results showed a mean TT-TG distance of 12.07 mm in the ACL-deficient group vs. 10.44 mm in the control group. When looking at gender differences, researchers found a mean TT-TG distance of 12.95 mm among men in the ACL-deficient group compared with 10.87 mm in the control group. Women in the ACL-deficient group also experienced a larger mean TT-TG distance (11.48 mm) compared with the control group (10.04 mm). Researchers noted statistically significant differences in TT-TG distance between the ACL-deficient and control groups, as well as between the male ACL-deficient and control groups. – by Casey Tingle
Disclosure: The researchers report no relevant financial disclosures.
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