1 Two common types of mites that can cause mange are Demodex canis, which causes demodectic mange, and Sarcoptes scabei, which causes sarcoptic mange.  Demodectic mange is primarily seen in puppies and immunocompromised dogs. This type of mange is not contagious â it results from an incompetent immune system.
Oropharyngeal cancer is a disease in which malignant cells form in the tissue of oropharynx. The oropharynx is the middle part of the throat that includes the base of the tongue, the tonsils, the soft palate, and the walls of the pharynx.ropharyngeal squamous cell carcinomas [edit]. Oropharyngeal squamous cell carcinomas is a type of head and neck cancer that begins in the oropharynx, the middle part of the throat that includes the soft palate, the base of the tongue, the tonsils, and the side and back wall of the throat.
General Information About Oral Cavity and Oropharyngeal Cancer. Oral cavity cancer and oropharyngeal cancer are diseases in which malignant (cancer) cells form in the mouth or throat. Most oral cavity and oropharyngeal cancers start in squamous cells (thin, flat cells) that line the oral cavity and oropharynx.