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Table 1 MRI Assessment: 12 years post-operative

From: Xenograft bone-patellar tendon-bone ACL reconstruction: a case series at 20-year follow-up as proof of principle

SUBJECT

RADIOLOGIST COMMENTS

STATUS

P-01

The anterior cruciate ligament is intact with no evidence of tearing. The posterior cruciate ligament is intact. The medial and lateral menisci demonstrate normal signal characteristics and morphology (Fig. 5A)

Intact

P-03

The anterior cruciate ligament graft itself is intact without evidence of degeneration or surrounding inflammation. It is unchanged in appearance as compared to the prior MRI evaluation. The posterior cruciate ligament is unremarkable (Fig. 5B)

Intact

P-04

The posterior cruciate ligament is intact. An anterior cruciate ligament is noted in place. The graft fibers demonstrate a mildly increased signal that has improved since the prior examination and are intact (Fig. 5C)

Intact

P-07

The anterior cruciate ligament is unchanged in appearance with a persistent tear at the proximal attachment and adhesive scarring of the distal graft to the posterior cruciate ligament. The posterior cruciate ligament graft is intact (Fig. 5D)

Intact

P-10

The anterior cruciate ligament graft is intact with normal signal intensity. The posterior cruciate ligament is intact

Intact