A tumor should be suspected anal sac apocrine adenocarcinoma in anal sacs that are firm, enlarged, and nonexpressible even with irrigation. Heartworm disease in Cats. With appropriate treatment, the outlook for dogs with non-malignant anal sac disease is good. Heartworm disease in Dogs. If medical treatment is ineffective, or if neoplasia is present, surgical excision of the sac is indicated.
Anal Sac Disease. This information is What predisposes some dogs to anal sac abscesses is unknown. Dogs that are very obese tend to have more problems than. Perianal sacs in the dog. Illustration by Dr. Gheorghe Constantinescu. Anal sac disease is the most common disease entity of the anal region in dogs. Small breeds are. Anal sac impaction can lead to inflammation or infection of the anal sacs. Dogs are more commonly affected with anal sac disease than cats. Small breed dogs are more.