Anatomic study

Authors: S. M. Schade, S. P. Arnoczky, R. M. Bowker
Journal: Veterinary and Comparative Orthopaedics and Traumatology

Objectives: To describe the intra-osseous microvasculature of the distal phalanx of the equine forelimb with regard to its potential clinical relevance. Methods: Eleven clinically normal equine forelimbs were used from six adult horses (range: 4 to 18 years old) euthanatized for reasons unrelated to lameness. In each limb the median artery was catheterized at the level of the carpus and India ink was injected under constant manual pressure. The limbs were frozen and 5 mm thick sections of the foot were cut in the sagittal, coronal, or transverse planes on a band saw.

Category: Anatomic study - Equine
Authors: Megan R. Williams, DVM; Steven P. Arnoczky, DVM; Anthony P. Pease, DVM, MS; John A. Stick, DVM
Journal: American Journal of Veterinary Research

Objective—To determine the microvascular anatomy of the suspensory ligament of the forelimb of horses. Sample—17 cadaveric forelimbs from 9 adult horses with no known history of forelimb lameness. Procedures—The median artery of the forelimb was cannulated proximal to the antebrachiocarpal joint and injected with contrast medium for CT evaluation of the gross vasculature (n = 2) or India ink to evaluate the microvasculature (12). Routine histologic evaluation was performed on an additional 3 forelimbs to confirm the microvascular anatomy.

Category: Anatomic study - Equine
Authors: Jean-Michel Vandeweerd, Nathalie Kirschvink, Benoit Muylkens, Eric Depiereux, Peter Clegg, Nicolas Herteman, Matthieu Lamberts, Pierre Bonnet, Jean-Francois Nisolle
Journal: Veterinary Journal

Although ovine stifle models are commonly used to study osteoarthritis, meniscal pathology and cruciate ligament injuries and repair, there is little information about the anatomy of the joint or techniques for synovial injections. The objectives of this study were to improve anatomical knowledge of the synovial cavities of the ovine knee and to compare intra-articular injection techniques.

Authors: J. Lacy Kamm, Laurie R. Goodrich, Natasha M. Werpy and C. Wayne McIlwraith
Journal: Veterinary Surgery


To describe regions of the thoracic and pelvic limb proximal interphalangeal (PIP) joints that are arthroscopically accessible and identify soft tissue structures that should be avoided during arthroscope and instrument placement.

Study Design

Experimental ex vivo descriptive study.


Horses (n = 15).


Journal: Equine Veterinary Journal

Reasons for performing the study: Hoof health is a major concern of horse owners as well as the equine industry. However, many questions remain concerning regional variations of laminar junction and its potential to remodel.

Hypothesis: To examine regional variations in the morphology of the laminar junction and thickness of the hoof wall in Thoroughbred horses.

Category: Anatomic study - Equine
Authors: Brian A. Hampson; M Animal Studies; Melody A. de Laat, BVSc; Paul C. Mills, BVSc, PhD; Christopher C. Pollitt, BVSc, PhD
Journal: American Journal of Veterinary Research

Objective—To investigate the density of the primary epidermal lamellae (PEL) around the solar circumference of the forefeet of near-term fetal feral and nonferal (ie, domesticated) horses. Sample—Left forefeet from near-term Australian feral (n = 14) and domesticated (4) horse fetuses. Procedures—Near-term feral horse fetuses were obtained from culled mares within 10 minutes of death; fetuses that had died in utero 2 weeks prior to anticipated birth date and were delivered from live Thoroughbred mares were also obtained.

Authors: Matthieu Cousty DVM, IPSAV, Charlotte Firidolfi Student, Olivier Geffroy DVM, Diplomate ECVS, Florent David DVM, IPSAV, DES, MSc, Diplomate ACVS & ECVS
Journal: Veterinary Surgery

Objective: To compare ultrasound-guided lateral and medial approaches for periarticular injections of the thoracolumbar intervertebral facet joints (IFJ).

Study Design: Experimental cadaveric study.

Sample Population: Adult equine cadavers (n=4).

Authors: Ferenc Tóth DVM, PhD, Jim Schumacher DVM, Diplomate ACVS, Michael Schramme DVM, PhD, Diplomate ECVS, Silke Hecht Dr med vet, Diplomate ACVR & ECVDI
Journal: Veterinary Surgery

Objective: To describe the anatomic features of the equine trochanteric bursa and to evaluate 4 techniques for bursa centesis.

Study Design: Prospective, randomized design.

Animals: Equine cadavers (n=2) and 20 live horses.

Authors: L. A. B. Poore, MA, VetMB, MRCVS, K. L. Lambert, BSc, D. J. Shaw, BSc, PhD and M. P. Weaver, BVMS, PhD, DrMedVet, DVR, MRCVS
Journal: Veterinary Record

The efficacy of three methods of injecting the equine proximal interphalangeal (pastern) joint was compared using cadaver limbs. Five veterinary students without prior experience attempted to inject an aqueous radiographic contrast medium into the joint using five limbs for each technique. The number of attempts was recorded and successful injection of the joint was confirmed by the presence of intra-articular contrast on radiographic examination. Levels of accuracy for the dorsal, dorsolateral and palmaroproximal approaches were 32, 48 and 36 per cent, respectively.

Journal: Veterinary Radiology & Ultrasound

The appearance of the equine metacarpophalangeal (MCP) joint on high-field (1.5 T) vs. low-field standing (0.27 T) magnetic resonance (MR) images was evaluated. Objectives were (1) to describe the MR appearance of anatomic structures of clinical interest on images of the equine MCP joint obtained from 20 equine cadaver limbs from horses without lameness using high-field and low-field systems, (2) to categorize the clarity of appearance of anatomic structures on low-field MR images in comparison to high-field images as a gold standard.

Category: Anatomic study - Equine - MRI