PPT-Tympanic Membrane Perforation

Tympanic membrane perforation after removal of tympanostomy ventilation tube Tympanic Membrane Perforation Definition A hole or tear in the eardrums Usually results from disease trauma or iatrogenic causes. . Clark . W. Walker, MD, FACS. Lone Tree, CO. cwalker@integratedENT.com. . Audiologists and Otolaryngologists. Denver Hearing Specialists, Lone Tree, Colorado. Diane Krieger-Arenberg, Au.D.. meatus.tsound. . From. the . meatus. , the external auditory canal passes inward to the tympanic membrane (eardrum(-. The middle ear is an air-filled cavity in the temporal bone that opens via the auditory (. A . perforated eardrum.  or . punctured eardrum.  is a rupture or perforation (hole) of the eardrum which can occur as a result of . otitis. media (ear infection), trauma (e.g. by trying to clean the ear with sharp instruments), explosion, noise or surgery (accidental creation of a rupture). The ear consists of 3 different sections. 1. The External Ear. 2. The Middle Ear. - The Auditory . Ossicles. 3. The Inner Ear. . Anatomy of the Ear. Vestibulocochlear . nerve (VIII). EXTERNAL EAR. Cholesteatoma is an abnormal . squamous epithelium. skin growth often found behind the eardrum in the . middle ear. .. It can erode and destroy structures within the middle ear and cause hearing loss as well as many CNS complications including brain abscess and meningitis.. titis media is often associated withlong-standing otitis externa in dogsAccumulated bacteria and debris in thehorizontal ear canal can eventually access theycausing middle ear infectionAs the infectio The ear is a sensitive organ of the human body. It is mainly concerned with detecting, transmitting and transducing sound. Maintaining a sense of balance is another important function performed by the human ear.. Eustachian Tube. /. Auditory Tube. ]. Presented by :- Dr. . Sushma. . Tomar. Associate Professor. Department of Anatomy . Introduction. An . osseo. -cartilaginous. tube.. Retraction pocket is the invagination of tympanic membrane into the middle ear space. It is frequently a result of chronic OME or prolonged dysfunction of the Eustachian tube. . Chronic retraction pocket. . By. Prof. . Ehab. . Taha. . Yaseen. Acute otitis media. Definition:. Collection of purulent fluid in the middle ear cleft for less than 3 weeks. . Define the middle ear cleft . ((Home work)). Sources of infection:. Ear. The ear converts changes in pressure in the air to changes in the electrical activity of neurons. . The . human ear can detect sound frequencies between 20 and 20 000 Hz.. Anatomists distinguish the outer ear, the middle ear, and the inner ear. Although middle ear trauma is not the �rst priority in the context of life-threatening injuries, the ear is particularly susceptible to damage and easily forgotten in patients with multiple Tavusbay et al. Management of perforation after endoscopic retrograde cholangiopancreatographysubcutaneous or mediastinal emphysema. While 18 of the 29 patients had obvious signs and symptoms of perit The challenge . in diagnosis. And. Case report. Inflammations of the middle ear (the commonest middle ear problems). Rare medical problems, are in fact play a challenging diagnosis. Objectives: . How to reach the proper diagnosis of middle ear mass.