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OTOSCOPYbyProfessor Dr Hassan WahbaEar, Nose & Throat DepartmentFaculty of Medicine Ain Shams University
Anatomy
Congenital aural anomalies due to defects of the 1st pharyngeal archPreauricular sinusAccessory auricle TagsAbsent external auditory canalAural atresiaAural atresia
Hematoma Perichondritis Cauliflower auris ear
Herpes Zoster Oticus (Ramsay-Hunt Syndrome)Pain + Facial paralysis + vesicles
Otoscope examination of the ear
Proper technique
XNever examine patient while standing
RLTympanic membrane
Otoscopy (normal findings)HairsWaxHumpKeratinBlood vesselsCollapsed external canal in old age
Removal of ear wax
Foreign BodiesBeadBee
ChronicExternalOtitis (skin maceration & keratosis)Acute External Otitis (hyperemia & edema)
TRAUMAExternal canal clotHemotympanumPerforationSelf-inflicted perforation
Otomycosis fungal ball wet-newspaper like appearance
Diabetic Ear necrosis & granulations on the floor of the external auditory canal
Neoplasms of the external auditory canal & auricleExostosis OsteomaCancerRodent ulcer
Acute Otitis Media (hyperemia, bulging, perforation & finally drainage)
OMEOtitis media with effusion (OME) retracted tympanic membrane, fluid level, some air bubbles, no perforation)
TubesGrommetGrommetGrommetT-tube
Sequelae of non-resolvedotitis media Retraction pocketTympanosclerosisAtelectasisAttic erosion
Bullous Myringitis bullae on outer surface of tympanic membrane
Perforation of the tympanic membrane (picture on the right)
Tubotympanic otitis media (central perforation)
Atticoantral otitis media (cholesteatoma)(marginal perforation)
Cholesteatoma scanty offensive purulent aural discharge from an attic or posterosuperior marginal perforation with possible cranial or intracranial complications
Mastoid abscess & fistula
Aural polyp pedunculated middle ear mucosa or granulation tissue
GlomusPulsating tinnitus & a red mass behind an intact tympanic membrane
Otoscopic examination in Otosclerosis:Schwartzes sign (flamingo red)Usual finding is a normal tympanic membrane
EAR NOSE & THROAT by Professor Dr Hassan Wahba Professor of Ear, Nose and Throat Faculty of Medicine Ain Shams University1000 MCQs in ENT by Professor Dr Hassan Wahba Professor of Ear, Nose and Throat Faculty of Medicine Ain Shams UniversityText and references to help the fourth year undergraduate student