PMC9302018_01
(a,b) Axial T1-weighted magnetic resonance images of the elbow approximately 6 months following a two-incision distal biceps tendon repair demonstrating: (a) an intact more proximal PIN, in its expected location within the fascial plane that will separate the two heads of supinator; and (b) a lesion more distally along the course of the PIN with associated surgical change and suture artifact, along with a more anterior approach than would typically be expected of the posterior incision for a two-incision technique.
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Magnetic resonance imaging (Figure 3(a,b)) was also subsequently performed, which further supported the diagnosis - PIN palsy following two-incision distal biceps tendon repair, with no sign of recovery at 5 months.