MSD Manual

Please confirm that you are a health care professional

honeypot link

Myopathies in Dogs and Cats


Joseph Harari

, MS, DVM, DACVS, Veterinary Surgical Specialists, Spokane, WA

Last full review/revision Nov 2020 | Content last modified Jan 2021

Myopathies can be congenital, hereditary Centronuclear Myopathy This inherited (autosomal recessive) condition is characterized by a type 2 muscle fiber deficiency and is now called centronuclear myopathy. Clinical signs are seen at L-carnitine supplementation... read more , idiopathic Fibrotic Myopathyin Dogs and Cats Fibrotic myopathy is a chronic, progressive, idiopathic, degenerative disorder affecting the semitendinosus, gracilis, quadriceps, infraspinatus, and supraspinatus muscles, primarily in dogs... read more , inflammatory Polymyositisin Dogs Polymyositis is a systemic, noninfectious, possibly immune-mediated, inflammatory muscle disorder in adult dogs. It may be acute or chronic and progressive. Clinical signs include depression... read more , metabolic, neoplastic Muscle Tumorsin Dogs and Cats Primary skeletal muscle tumors can be benign (rhabdomyoma) or malignant (rhabdomyosarcoma). Secondary tumors involved with metastatic spread include lymphosarcoma, hemangiosarcoma, and adenocarcinomas... read more , traumatic Muscular Traumain Dogs and Cats Infraspinatus contracture is a uni- or bilateral fibrotic myopathy of the infraspinatus muscle that is usually secondary to trauma in hunting or working dogs. Initial clinical signs include... read more , or due to nutritional imbalances Yellow Fat Disease in Cats and Other Animals Yellow fat disease is characterized by a marked inflammation of adipose tissue and deposition of “ceroid” pigment in fat cells. It may be seen alone in cats or with accompanying myopathy in... read more .

Others also read
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Download the Manuals App iOS ANDROID
Test your knowledge
Musculoskeletal Disorders in Large Animals
A seven-year-old Quarter horse gelding presents with a 1-week history of mild lameness. During the examination, the horse raises his head as he places weight on his left forelimb and drops it when placing weight on the right forelimb. Which limb is most likely affected in this horse?
Become a Pro at using our website 

Also of Interest

Become a Pro at using our website