A Cadaveric Study of the Posterior Interosseous Nerve and Its Branches at the Level of the Distal Radius Thomas M. Gregory, MD, PhD, Marion Goutard,

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Presentation transcript:

A Cadaveric Study of the Posterior Interosseous Nerve and Its Branches at the Level of the Distal Radius Thomas M. Gregory, MD, PhD, Marion Goutard, MD, Jules Gregory, MD, Simon A. Hurst, MD, Lorenzo Merlini, MD, Jérome Pierrart, MD Journal of Hand Surgery Global Online Volume 1, Issue 2, Pages 70-73 (April 2019) DOI: 10.1016/j.jhsg.2019.01.001 Copyright © 2019 Terms and Conditions

Figure 1 Posterior interosseous nerve (arrows) in the proximal segment, from the last motor bundle to the proximal edge of the dorsal retinaculum (1), and in the middle segment inside the fourth extensor compartment (2). In the middle segment, the PIN is embedded in a fibro-fatty sheath. The artery (star) is anterior and ulnar in most cases. Journal of Hand Surgery Global Online 2019 1, 70-73DOI: (10.1016/j.jhsg.2019.01.001) Copyright © 2019 Terms and Conditions

Figure 2 Radial periosteum branches on the radial wall of the fourth compartment (thin arrows), distal radioulnar branch (thick arrow) (right wrist with fingers on the right). Journal of Hand Surgery Global Online 2019 1, 70-73DOI: (10.1016/j.jhsg.2019.01.001) Copyright © 2019 Terms and Conditions

Figure 3 Distal distribution, number of collateral and terminal branches. CM, carpometacarpal; DRUJ, distal radioulnar joint; RP, radial periosteum; MC, midcarpal. Journal of Hand Surgery Global Online 2019 1, 70-73DOI: (10.1016/j.jhsg.2019.01.001) Copyright © 2019 Terms and Conditions

Figure 4 Midcarpal bundles (thin arrows), terminal branch of anterior interventricular artery (thick arrow), and radiolunotriquetral ligament (star) (left wrist with fingers on the bottom). Journal of Hand Surgery Global Online 2019 1, 70-73DOI: (10.1016/j.jhsg.2019.01.001) Copyright © 2019 Terms and Conditions