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.
The oropharynx extends from the back of the mouth and carries ingested food and drinks from the mouth into the esophagus. The laryngopharynx lies just behind the larynx (voice box) and is the lowermost part of the pharynx. It serves as a common passage for both food (into the esophagus) and air (into the larynx).t starts from the back of the mouth and nose and extends down into the esophagus. It runs from the base of the skull to the inferior border of the C6 vertebra, which is posterior to the pharynx, and the cricoid cartilage, which lies anterior to the pharynx.