SAR SH 535 Study Guide - Final Guide: Conductive Hearing Loss, Basal-Cell Carcinoma, Anotia
15 Dec 2019
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Some disorders are hard to differentiate because they have similar case history or results, but you need to find what is unique about it. Narrow down likely diagnosis and determine etiology. All hearing losses from the outer ear are due to occlusion. Occurs in 11 of every 1000 births. Treatment options: surgery, for ear that sticks out or pressed in too much, prosthetic ears. Can be isolated or part of a syndrome. Skin cancer 40-50% of adults over age 65. Rarely spreads but common in outer ear. Treatments are available, but no associated hearing loss. Can cause: swelling, discharge and bleeding, pain. Infection of the skin of the ear canal (swimmer"s ear) Can be caused by: allergy, viral infection or fungal infection. Associated problems: itching, pain, discharge, conductive hearing loss if swelling occurs. Treatment: topical drops and ear wax is good. Osteomas: bony tumor in the ear canal: no hearing loss unless block entire canal, not usually malignant.
