Archive Animal Disease

Dermatomyositis   An inheritable inflammatory disease of the skin, muscles, and vasculature that develops in young collies, Shetland sheepdogs, and their crossbreeds.   PATHOPHYSIOLOGY The exact pathogenesis of dermatomyositis is unknown. A familial predisposition has been reported in collies and ...

Dentigerous Cyst OVERVIEW Cyst formation originating from tissue surrounding the crown of an unerupted tooth.   SIGNALMENT Any breed that is at an increased risk for impaired eruption. Boxers, bulldogs—mandibular first premolars, often bilateral. Unerupted teeth at 6–7 months of ...

Infectious Hepatitis Infectious canine hepatitis is an acute contagious disease caused by the canine adenovirus 1. This virus targets the spleen, kidneys, lungs, liver, the lining of blood vessels, and sometimes other organs. Symptoms can vary widely – from slight ...

Acral Lick Dermatitis Chronic lesions are directly caused by self-trauma. A cycle of licking, pruritus, and secondary infection develops.   SYSTEMS AFFECTED Skin/Exocrine   SIGNALMENT Dogs. Most common in large breeds—especially Doberman pinschers, Labrador retrievers, Great Danes, Irish and English ...

Actinomycosis Actinomycosis is an infectious disease caused by Gram-positive, branching, pleomorphic, rod-shaped bacteria of the genus Actinomyces. viscosus and A. hodeovulneris—most commonly identified isolates (though most isolates are not identified to the species level); survive in microaerophilic or anaerobic conditions. ...

Dermatophilosis “Mud rash” or “mud fever” is a rare crusting dermatitis of dogs and cats. A rare nodular subcutaneous and oral disease in cats. Dermatophilus congolensis—causative agent; Gram-positive, branching filamentous bacterium classified as an actinomycete; very common cause of crusting ...