Fractures Proximal Sesamoid Bones Basic Information Definition Fractures of the proximal sesamoid bones may be classified as apical, midbody, basilar, abaxial, axial, sagittal, or comminuted. Epidemiology Species, Age, Sex Common…

Diarrhea, Clostridial Basic Information Definition Colitis or diarrhea caused by Clostridium perfringens or Clostridium difficile Risk Factors Treatment with antimicrobial agents (C. difficile) Clinical Presentation Disease Forms/Subtypes • C. perfringens:…

Airway Obstruction, Recurrent Basic Information Definition • A respiratory disease more frequently seen in middle-aged to older adult horses that is characterized clinically by recurrent episodes of airway obstruction when…

Dermatitis, Atopic Basic Information Definition A hypersensitivity disorder in which the patient becomes sensitized to inhaled or percutaneously absorbed allergens such as dust, pollens, and molds, causing pruritus or urticaria….

Fractures Proximal Phalanx Basic Information Definition Fractures of the proximal phalanx may be broadly classified as proximal intraarticular osteochondral fractures and fractures involving the diaphyseal region of the proximal phalanx….

Cushing’s Disease (Pituitary Pars Intermedia Dysfunction) Basic Information Definition A clinical condition of old horses associated with hirsutism, laminitis, depression, polyuria (PU) and polydipsia (PD), muscle wasting, weight loss, docility,…

Esophageal Cysts, Intramural Basic Information Definition Inclusion cysts of the esophageal wall. Inclusion cysts are defined as a cyst formed by the implantation of epithelial tissue into another structure. Synonym(s)…

Cerebellar Diseases Basic Information Definition • The cerebellum provides regulation of range, rate, and strength of skeletal movement, as well as coordination of balance and posture. Diseases of the cerebellum…

Contagious Equine Metritis Basic Information Definition Contagious equine metritis (CEM) is a nonsystemic, highly contagious venereal infection of members of the family Equidae caused by Taylorella equigenitalis, a bacterium unrecognized…

Hypotrichosis Basic Information Definition Less than the normal amount or density of hair Synonym(s) Hair follicle dystrophy Epidemiology Genetics and Breed Predisposition Arabians and Appaloosas are reportedly predisposed (the long…