This article discusses the diagnostic and therapeutic applications of arthroscopy for various hindlimb joint disorders. The advantages of arthroscopy over arthrotomy in diagnosing and treating hindlimb joint dis- eases are emphasized. Understanding joint pathophysiology can help prevent and treat joint diseases. As more specialists become familiar with arthro- scopic instrumentation and techniques,patients will benefit from arthroscopy. ABSTRACT: Diagnostic and Surgical Applications of Arthroscopy in Dogs: Hindlimb Joint Diseases* Francesca Capaldo, DVM Robert Gilley, DVM, PhD, DACVS Amy Kapatkin, DVM, DACVS University of Pennsylvania *A companion article on general applications and forelimb joint diseases appears on page 580. ARTHROSCOPY IN DOGS An In-Depth Look: Article #2 CE se of arthroscopy in dogs—not only for diagnosing but also for treating com- mon joint diseases—has become more frequent among veterinary specialists in the past few years. This article reviews the diagnostic and therapeutic applica- tions of arthroscopy for various hindlimb joint disorders in dogs, emphasizing the usefulness of arthroscopy over arthrotomy (see box on page 597). INDICATIONS FOR ARTHROSCOPY OF THE HIP JOINT Hip Dysplasia Cause and Clinical Signs Canine hip dysplasia is an osteoarthritic disease that is most common in large-breed dogs. Dogs may have no clinical signs or lameness of variable degrees, depending on the severity of the disease. Affected dogs may also have difficulty rising and a bunny-hopping gait. In most clinical cases, there is hindlimb muscle atrophy and pain during manipula- tion of the hip. The Ortolani method of palpation may demonstrate hip instability. Diagnosis Radiographic evaluation is used to confirm the diagnosis. Radiographic views include standard ventrodorsal and lateral projections of the pelvis. As the disease pro- Send comments/questions via email editor@CompendiumVet.com or fax 800-556-3288. Visit CompendiumVet.com for full-text articles, CE testing, and CE test answers. U COMPENDIUM 596 August 2005