EXTERNAL EAR DEFORMATIES RODAB SATTI RIBAT UNIVERSITY HOSPITAL
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1 EXTERNAL EAR DEFORMATIES RODAB SATTI RIBAT UNIVERSITY HOSPITAL
2 Anatomy The ear can be divided into 3 parts:-outer,middle and Inner. The outer has skin-lined tube 2.5cm long leading down to the tympanic membrane,its outer third is cartilaginous and contain hair and ceruminous glands, but the walls of the inner two thirds are bony. The outer ear is self cleaning no wax.
3
4 External ear deformities Malformation may be related to:
5 Size of auricle Shape of the ear Position of the ear Auricular fistulas Auricular appendages External acoustoic meatus Microtia Macrotia Anotia Cup shaped Lop ear Dysplastic Elfin ear(pointed) Lobe malformations Melotia Low set ears Synotia Atresia Duplication septation
6 Preauricular fistula Lop-ear Adherent lobule Auricular appendage Ear-lobe groove Ear cleft Darwinian tubercle Misshapen ear
7 1-Microtia Means small ear may range in severity until hearing loss. a)hemifacial microsomia: unilateral microtia,macrostomia and failure of formation of ramus and condyle. b)microtia-anotia:deformed or absent pinna with atretic ear cannal.
8 2- Macrotia Means large ears well shaped,may cause psychological disturbance. 3- Anotia Complete absence of the auricle.
9 4- Cup shaped ear Small auricles that grows forward over the meatus. 5- Lop ear The external ear stand awy from the head at greater angle,usually large ears.
10 6- Dysplastic ear Abnormally shaped auricles. 7- Lobe malformations: a) Adheent lobe. b) Absent lobe. c) Cleft lobe.
11 Dysplastic ear
12 7- Lobe malformations:
13 8- melotia Ear located on the cheek. 9- Low set ears: Its set below an arbitrary line drawn between the lateral canthus of the eye and occipital protruberance
14 9- Low set ears:
15 10- Synotia The ears are very close to each othersdue to hypoplasia or absence of mandible. 11- Auricular fistula: Blind ending narrow tubes or pits.
16 10- Synotia
17 12-Auricular appendages Tags of skin with or without a cartilaginous base frequently located in the line of junction of the mandibibular and hyoid arches. 13-External acoustic meatus: a) atresia. b)duplication c)septa.
18 Foreign body Foreign body is a relatively common problem. Most of the objects include food material, beads,toys and insects. The vast majority of objects found in ears are placed there voluntary by children. Insects are well known to crawl into the ear when you are sleeping
19 Symptoms Depends on the size,shape and substance involved. Can cause infection lead to drainage. Pain, decrease in hearing on the affected side. Irritation may lead to nausea and vomiting. Bleeding if sharp object. Insects can cause buzzing and disscomfort.
20 Investigations History Examination under good lighting. X- rays
21 Medical care Clinical examination. Urgent removal of insects, button batteries,food and plants. antibiotics in case of infections.
22 Treatment at home Place few drops of mineral oil in case of insects. Fasting for 6-8 hrs it may need sedation. Medically :- Suction, irrigation,pulling forceps.
23 Follow up and prevention
24 Nursing care Reassurance. Explanation. Sedation if needed. Pre-post operative care.
25 Otalgia
26 Definition Earache is an ear pain. May caused by several conditions such as impacted teeth,sinus disease, inflamated tonsils,infection in nose and pharynx,throat cancer and migraine
27 Classifications Primary; that originate in the ear(trauma, foreign body,infections). Secondary; that originate from outside the ear (dental disease, pharynx, tonsils, laryngopharynx, carcinoma)
28 Diagnosis Exclude cancer. Hot washcloth temporarily relieve the pain. Underlying cause.
29 Any questions?
30 Thanks
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