Patellar tendinopathy (PT) is an overuse injury of the patellar tendon in athletes involving typical degenerative changes to the patellar tendon. The association of MRI-assessed structural changes with symptoms is largely unknown. UTE-MRI was implemented to study longitudinal changes in T2* within the patellar tendon in athletes performing exercise therapy for PT. We found that T2* relaxation times in the degenerative tissue of the patellar tendon were associated with symptom severity and that decreased T2* was associated with clinical improvement.
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