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Topic:Case Reports
Case reports in equine medicine provide detailed accounts of individual horses' clinical presentations, diagnostic processes, treatments, and outcomes. These reports are valuable for documenting rare conditions, novel treatment approaches, or unique clinical insights that may not be captured in larger studies. By focusing on individual cases, these reports contribute to the broader understanding of equine health and disease management. They often include comprehensive information on the horse's history, clinical findings, diagnostic tests, therapeutic interventions, and follow-up evaluations. This page assembles peer-reviewed case reports and scholarly articles that explore diverse aspects of equine health, offering insights into specific medical scenarios and their implications for veterinary practice.
Multiple congenital heart anomalies in five Arabian foals. Five Arabian or half-Arabian foals with suspected multiple cardiac anomalies were examined. Various combinations of clinical examination, electrocardiography, angiocardiography, cardiac catheterization, blood gas analysis, radiography, and echocardiography resulted in clinical data that allowed accurate antemortem diagnoses to be made. In 4 cases, the clinical diagnosis was substantiated by postmortem findings. The confirmed diagnoses were: pseudotruncus arteriosus, a combination of patent ductus arteriosus, pulmonic stenosis, and tricuspid stenosis, pentalogy of Fallot, and tricuspid atresia....
Periosteal transection for correction of angular limb deformities in foals. Seventeen foals with angular limb deformities of the distal end of the radius (valgus: 26 limbs), distal end of the tibia (valgus: 6 limbs), and distal end of the 3rd metacarpal bone/metatarsal bone (varus: 4 limbs) were treated surgically by means of hemicircumferential division of the periosteum proximal to the involved growth plate, at the concave side of the bone. There was some correction in all cases. The best results were seen in the radius, where 22 of 25 limbs were corrected to a deviation of 4 degrees or less. Satisfactory correction was obtained in the 6 tibias, the 2 third metacarp...
The onset and consequences of tarsal bone fractures in foals. Fractures of the central tarsal and/or third tarsal bones involving both limbs of six foals are described. Five of the subjects were born either premature or of twin pregnancies. Fractures occurred in the neonatal period and coincided with disablement. Features of behaviour, posture and gait are described, together with gross radiographic findings, bone ash determination and blood chemistry. Lesions observed on the articular faces of tarsal bones recovered from adult horses may have originated during the neonatal-period.
Dermatitis in horses and man caused by the straw itch mite. An episode of dermatitis in 12 horses and many animal handlers in the Veterinary Medical Teaching Hospital of the University of Florida was attributed to the straw itch mite, Pyemotes tritici. The mite was found in abundance alfalfa hay that recently had been delivered to the hospital. Papules were the most common cutaneous lesions, and these developed on areas of the body to which the mites had easiest access. The clinical course was self-limiting, remitting when the hay supply was depleted.
Periosteal transection and periosteal stripping for correction of angular limb deformities in foals. Valgus deformities were created in 6 pony foals by hemicircumferential transection of the periosteum and periosteal stripping (HCTP and PS) just proximally to the distal physis on the medial side of 1 radius (principal thoracic limb). The opposite thoracic limb served as a control. One month after this surgical procedure was done, the limbs were radiographed and the angle of deviation was determined. All horses developed a valgus deformity of the principal limb. In an effort to correct the acquired valgus deformity, the 2nd surgical procedure was performed--HCTP and PS on the lateral aspect of...
Chronic eosinophilic gastroenteritis in the horse. Four cases of chronic eosinophilic gastroenteritis in horses are described. The disease was manifested clinically by weight loss, malabsorption and diarrhea of soft, formless feces. A chronic inflammatory reaction, with diffuse and focal eosinophilic infiltrates, was present in the esophagus, stomach, small and large intestine, and mesenteric lymph nodes. The cause of the lesion was not determined but was thought to the due to an ingested allergen, as the lesion is indicative of an on-going, immediate hypersensitivity reaction. One horse had generalized acanthosis, hyperkeratosis, and ulcerati...
Use of a bone plate for repair of proximal physeal fractures of the tibia in two foals. Salter-Harris type II proximal tibial fractures were repaired in two 1-month-old foals, using a dynamic compression plate. The plate was placed on the medial aspect of the tibia, and a single cancellous bone screw was used to reduce the proximal fragment displacement. The plate provided fixation during healing and functioned as a transphyseal bridge, which induced a disparity in growth and corrected a slight lateral angulation of the limb. Limb growth after plate removal was normal.
Pilar neurocristic hamartoma: its relationship to blue nevus and equine melanotic disease. A unique pigmented lesion, judged to be a hamartoma of neural crest origin, occurring in a female patient, is compared with equine melanotic disease, The characteristic perifollicular arrangement of pigment-laden spindle cells is remarkably similar in both. Previously described patch- and plaque-like blue nevi in humans are also closely related. Light and ultrastructural features showed differentiation toward both nevus cells and Schwann cells, and it is proposed that the lesion be termed pilar neurocristic hamartoma.
Radiographic changes in the lungs of horses with exercise-induced epistaxis. This paper describes the distinctive radiographic changes detected in the dorso-caudal lungfields of four racing thoroughbreds recently affected by exercise-induced epistaxis. A diffuse but localized increase in density was seen in all four cases, which demonstrated a variation from a predominantly alveolar density to an interstitial pattern and finally to increased bronchial markings. Evolution of the radiographic pattern of the pulmonary densities appeared to be related to the time that had elapsed since the bleeding incident. The implications of the changing pattern and site of the densitie...
Ethmoid hematoma of the equine. Two cases of ethmoid hematoma of the equine are reported. Clinically both horses had intermittent unilateral epistaxis unassociated with exercise. In one horse, diagnosis was based on the use of an endoscope for visualization and for biopsy of a mass associated with the ethmoid turbinates. In the other horse, exploratory trephination of the posterior maxillary sinus was necessary to obtain a diagnostic biopsy specimen. Radiography was helpful in the diagnosis of one case. Surgical removal of the mass was attempted in one case. Histological examination of the biopsies was the single most defini...
Histological study of navicular bone disease. A histological investigation of navicular bones from 8 horses with navicular disease was carried out to investigate the aetiology of the radiological findings. Two of the horses were double labelled with tetracycline before slaughter in order to assess the vitality of the diseased navicular bone. The examinations revealed no evidence of loss of vitality in the diseased bone areas or in surrounding tissues. A very high rate of remodelling indicated by resorption and formation of bone was present in all cases. This was shown microscopically by the high number of osteoclasts and osteoblasts prese...
