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Palmar arthroscopic approach and intra-articular anatomy of the bovine carpal joints

Palmar arthroscopic approach and intra-articular anatomy of the bovine carpal joints

Veterinary Surgery 48(4): 537-545

To describe the palmar arthroscopic approaches to the bovine carpus and document the visible intra-articular structures in each approach. Ex vivo study. Thirty fresh cadaveric bovine forelimbs. Computed tomography (CT) and gross dissection were performed on 4 carpi. Latex models were produced from 6 carpi to define the gross anatomy and arthroscopic portals to the palmar carpal pouches. Ultrasonography and arthroscopy were performed on 20 carpi to document visualization of the local anatomy. A single palmar pouch was present on both sides of each joint on gross dissection and evaluation of latex models. The relationship between pouches and palmar structures was observed by CT. Small anechoic areas identified on ultrasonography increased after joint distension. Palmar arthroscopy of the antebrachiocarpal joint enabled visualization of the palmar surfaces of radial, intermediate, and ulnar carpal bones; distal radius; ulnar styloid process; palmar radiocarpal ligament; and articulation of accessory and ulnar carpal bones. Palmar arthroscopy of the middle carpal joint enabled inspection of the palmar aspects of ulnar, intermediate, radial, fused second and third and fourth carpal bones, palmar carpometacarpal ligament, and the short lateral collateral ligament. Palmar aspects of the fourth and fifth metacarpal bones were explored through the palmarolateral approach to the middle carpal joint. Instrument portals for each pouch were created under arthroscopic guidance. Palmar arthroscopy of the adult bovine carpus enabled visualization of the clinically relevant palmar intra-articular structures. Palmar carpal arthroscopy should be considered as an adjunct to dorsal approach for the diagnosis and treatment of bovine carpal diseases.

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Accession: 066072245

Download citation: RISBibTeXText

PMID: 30623470

DOI: 10.1111/vsu.13149

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