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External Ear disease
- 1. External Ear Diseases Prepared by:- Zana Hossam University of Duhok Faculty of Medical Sciences School of Medicine ENT Department
- 2. Anatomy of external ear
- 4. Blood Supply of Auricle
- 5. Nerve supply of Auricle
- 8. Congenital Disorders Aquired Disorder InflammatoryTraumatic neoplastic Diseases of the external ear miscellaneous
- 10. Anotia Microtia
- 13. Bat ear (prominent ear or protruding ear)
- 17. Cauliflower ear
- 18. Laceration of ear avulsion of ear
- 20. Perichondritis
- 21. Infective Group Reactive Group FungalBacterial Viral Inflammation of EAC (Otitis externa) • Otomycosis• Localized OE • Diffuse OE • Malignant OE • Herpes zoster oticus • OE haemorrhagica • Eczematous OE • Seborrhoeic OE • Neurodermatitis
- 22. Otitis Externa
- 23. localized acute otitis externa (Furunculosis)
- 24. Sign & Symptom Treatment -before abcess formation -after abcess formation
- 25. Acute Diffuse otitis externa
- 26. Predisposing factors • Swimming • Humidity • Heat
- 27. Predisposing factors cont… • Trauma • Inherited (narrow ear canals and non-atopic eczema) • Associated with CSOM
- 31. Symptoms:- • Temporary conductive hearing loss
- 32. Examination:-
- 33. Diagnosis:- • It is usually clinical!!! • Culture ???
- 34. Treatment • Ear toilet. • Medicated wicks. • Topical Antibiotics. • Analgesics. • Water percaution • Incision and drainage
- 35. Malignant (necrotizing) Otitis Externa
- 37. Laboratory Studies • WBC • ESR • Serum gluose • Culture from the ear drainage Imaging Studies:- • CT scan and MRI • Bone scan
- 38. Treatment • Hospital admission • If patient is diabetic, control diabetes • aural toilet • High doses of IV antibiotics • Hyperbaric oxygen therapy. • Surgery
- 40. Fungal Infection (Otomycosis) • It is a superficial fungal infection of the ear canal. Predisposing factors :- Symptoms :- Treatment :-
- 41. Viral Infection (Ramsy Hunt Syndrome) • Ramsay Hunt syndrome is defined as an acute peripheral facial neuropathy associated with erythematous vesicular rash of the skin of the external ear(also termed herpes zoster oticus), and/or mucous membrane of the oropharynx • Sign & Symptoms:- • Treatment:-
- 43. Neoplastic Pinna • Benign Preauricular cyst Haemangioma Papilloma Neurofibroma • Malignant Squamous cell carcinoma Basal cell carcinoma Melanoma External auditory canal • Benign Osteoma Exostosis Ceruminoma Sebaceous adenoma • Malignant Squamous cell carcinoma Basal cell carcinoma Melanoma Adenocarcinoma
- 47. Impacted wax or cerumen
- 48. Symptoms:-
- 49. Treatment:- Syringing Instruments for cerumen removal
- 50. Foreign Body 1- Nonliving foreign bodies
- 51. 2- living foreign bodies
- 52. Treatment
- 53. Refrences: • Diseases of Ear, Nose and Throat, 6th Edition • Ear, Nose and Throat, head and neck surgery • otolaryngology basic science and clinical review • textbook of ear nose and throat • www.medscape.com
- 54. Any Questions ?