masticatory myositis - HEALTHY
What is masticatory myositis? Masticatory muscle myositis (MMM) is an immune system disorder in which the dog’s immune system identifies the dog’s own muscle tissue as foreign and attacks it. There are many possible explanations for this situation, and masticatory myositis is only one of them.
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In fact, most possibilities are far less exotic than the immune-mediated muscle disease that is the subject of this article, so a step-by-step approach is important. Masticatory muscle myositis (MMM) is a common focal inflammatory myopathy (myositis) in dogs selectively affecting the muscles of mastication and sparing the limb muscles. Learn about the veterinary topic of Masticatory Myositis in Dogs and Cats. Find specific details on this topic and related topics from the Merck Vet Manual.
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Dr. Genell McCormick discusses masticatory myositis in dogs, including symptoms, diagnosis, and treatment options. Learn about early symptoms, breeds at risk, diagnosis, and treatments for masticatory muscle myositis to help your dog recover. Discover what masticatory myositis in dogs is, its warning signs, and how early treatment can improve your dog’s quality of life. Masticatory muscle myositis (MMM) is an immune-mediated inflammatory disease in dogs affecting the muscles of mastication (chewing).
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It is also known as atrophic myositis or eosinophilic myositis. Masticatory muscle myositis is a common immune mediated disorder involving only the muscles of mastication. The muscles of mastication are composed of a unique myofiber that is not present in other skeletal muscles. What Is MMM (Masticatory Muscle Myositis) in Dogs? MMM, or masticatory muscle myositis, happens when the body's immune system gets its signals crossed. Instead of defending the body, it attacks the chewing muscles, including the temporalis, masseter, and pterygoid muscles.
The muscle tissue then becomes irritated and starts to shrink.