If it is a perforated eardrum more than 3 months, microbes reach the middle ear through the orifice tunicle and with repeating middle ear infections forms this disease.  If middle ear inflammations do not treated enough, a continuous secretion, over the time fusions in the ear bones, and hear losses are developed.  Over the time cave shaped cells in mastoid bone which is neighboring our brain behind our ear gets inflamed and the infection in the ear cannot be dried even with a medical treatment. Surgical treatment is a must. It is treated by a simple operation by using the muscle tunicle on the top of the ear.  Patient’s hearing and ear functions are protected.   But if the infections are neglected and middle ear ossicles are fused then during the surgery among with the eardrum ear ossicles should be repaired.