Query by Nettik: How common is Dermatomyositis in shelties? For these unfamiliar with Dermatomyositis (Sheltie Syndrome): Dermatomyositis could occur at the age of 4 to 6 months, and is regularly misdiagnosed by common exercise veterinarians as sarcoptic or demodectic mange. The illness manifests by itself as alopecia on the top of the head, supra- and suborbital region and forearms as properly as the suggestion of the tail. If the disease progresses to its a lot more harming sort, it could affect the autonomic anxious system and the puppy may have to be euthanized. This ailment is technology-skipping and genetically transmitted, with breeders getting no very clear methodology for screening apart from clear bloodline documents. Deep tissue biopsies are needed to definitively identify dermatomyositis. (Taken from Wikipedia) Thanks in progress. Greatest answer: Answer by iluvtoroflIt is an autoimmune condition. There is nevertheless some disagreement between some if it is viral or…