Myositis ossificans in the neck

Myositis ossificans is a non-neoplastic heterotopic bone formation within muscle or soft tissues. The most commonly involved muscles are the muscles of the upper arm and thigh. Occurrence in the head and neck is rarely encountered clinically. A 53-year-old Turkish man (farmer) was operated on for traumatic myositis ossificans circumscripta...

Effect of Intratympanic Steroid Application on the Development of Experimental Cholesteatoma

By introducing certain irritants into the middle ear it is possible to produce cholesteatoma. Propylene glycol, the main agent used for this purpose, produces a long-standing inflammation that causes hyperplasia and migration of the epithelium through an intact tympanic membrane. In the present investigation topical prednisolone was used in order...