Radiographic and pathologic characterization of lateral palmar intercarpal ligament avulsion fractures in the horse.
Abstract: In this study, the radiographic and histologic appearance of lateral palmar intercarpal ligament (LPICL) avulsion in the horse was characterized. Thirty-seven horses with radiographic evidence of avulsion fragments originating from the medial palmar aspect of the ulnar carpal bone were examined. The dorsolateral to palmaromedial projection was useful for evaluating the size and shape of the avulsed bone fragment, and the dorsopalmar projection added information on the relative proximity of the fragment to its fracture bed. Radiographic features that differentiated LPICL avulsion from subchondral cystic lesions of the ulnar carpal bone included a variable-sized osseous opacity adjacent to the lucent concavity of the fracture bed and the consistent location within the palmar transition zone at the confluence of LPICL insertion and hyaline cartilage on the palmar surface of the ulnar carpal bone. All 26 horses having surgical removal of the fragments had arthroscopic confirmation that the fragment was within the LPICL. Histologic examination confirmed the fragments were fracture related rather than developmental or the result of dystrophic mineralization. Many of the fragments had attached remnants of a ligament. This study describes the radiographic, surgical, and histologic features in 37 horses which better characterize LPICL avulsion fracture in the carpus and provide differentiating features to assist in separating this syndrome from true osseous cyst-like lesions within the ulnar carpal bone.
Publication Date: 2004-12-21 PubMed ID: 15605844DOI: 10.1111/j.1740-8261.2004.04091.xGoogle Scholar: Lookup
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- Journal Article
Summary
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This research explores the anatomical and pathological features of a specific kind of fracture in horses, specifically in the lateral palmar intercarpal ligament. The study provides insights that help distinguish this injury from other similar conditions, aiding in more accurate diagnosis and treatment.
Study Overview
- The aim of the research was to ascertain the radiographic and histologic characteristics of lateral palmar intercarpal ligament (LPICL) avulsion in horses.
- The study involved the examination of 37 horses that showed radiographic evidence of avulsion fragments originating from the centralized region on the palm side of the ulnar carpal bone.
Methods and Results
- The dorsolateral to palmaromedial projection method was proven effective in assessing the size and shape of the avulsed bone fragment, while the dorsopalmar projection revealed additional information about the relative proximity of the fragment to its fracture bed.
- The study identified certain radiographic features that demarcate LPICL avulsion from subchondral cystic lesions of the ulnar carpal bone. These included a variable-sized osseous opacity adjacent to the lucent concavity of the fracture bed, and a consistent location within the palmar transition zone.
- All 26 horses that underwent surgical removal of the fragments had arthroscopic confirmation that the fragment was within the LPICL.
- Histological examination confirmed that the fragments were related to fractures, not developmental anomalies or caused by dystrophic mineralization.
- Many of the removed fragments had attached remnants of ligaments.
Conclusions
- The research presents a comprehensive description of the radiographic, surgical, and histological aspects in 37 horses that accurately characterize LPICL avulsion fracture in the carpus.
- It provides distinguishing features that assist in separating this syndrome from other cyst-like lesions within the ulnar carpal bone.
Cite This Article
APA
Beinlich CP, Nixon AJ.
(2004).
Radiographic and pathologic characterization of lateral palmar intercarpal ligament avulsion fractures in the horse.
Vet Radiol Ultrasound, 45(6), 532-537.
https://doi.org/10.1111/j.1740-8261.2004.04091.x Publication
Researcher Affiliations
- Department of Clinical Sciences, College of Veterinary Medicine, Cornell University, Ithaca, NY 14853, USA.
MeSH Terms
- Animals
- Carpus, Animal / injuries
- Fractures, Bone / diagnostic imaging
- Fractures, Bone / epidemiology
- Fractures, Bone / pathology
- Fractures, Bone / veterinary
- Horses / injuries
- Ligaments, Articular / injuries
- New York / epidemiology
- Radiography
- Ulna / injuries
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