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20 Possible Causes for Absent External Auditory Meatus

  • Microtia

    Compare anotia. mi·cro·ti·a ( mī-krō'shē-ă ) Abnormal smallness of the auricle of the acoustic external ear with a blind or absent external auditory meatus. [ micro- G. ous[medical-dictionary.thefreedictionary.com] external auditory meatus. 2, record 4, English, - microtia Record 4, French Record 4, Domaine(s) Record 4, Abbreviations, French Record 4, Synonyms, French Record 4, Textual[btb.termiumplus.gc.ca] , ear] mi·cro·ti·a ( mī-krō'shē-ă ) Abnormal smallness of the auricle of the acoustic external ear with a blind or absent external auditory meatus. [ micro- G. ous, ear] microtia[medical-dictionary.thefreedictionary.com]

  • Otitis Externa

    Santorini’s fissure (vertical fissure in the cartilaginous canal of the external auditory meatus) is pathognomic; this finding may be absent in atypical patients (e.g., HIV[clinicaladvisor.com] Physical examination findings: Ear canal erythema with purulent discharge – Granulation tissue visible in the inferior portion of the external auditory canal at the site of[clinicaladvisor.com] Physical examination findings: Ear canal erythema with purulent discharge - Granulation tissue visible in the inferior portion of the external auditory canal at the site of[clinicaladvisor.com]

  • Congenital Aural Atresia

    Compare anotia. mi·cro·ti·a ( mī-krō'shē-ă ) Abnormal smallness of the auricle of the acoustic external ear with a blind or absent external auditory meatus. [ micro- G. ous[medical-dictionary.thefreedictionary.com] If a semblance of an external auditory meatus is present, the ear canal may end in a shallow blind pouch.[emedicine.medscape.com] , ear] mi·cro·ti·a ( mī-krō'shē-ă ) Abnormal smallness of the auricle of the acoustic external ear with a blind or absent external auditory meatus. [ micro- G. ous, ear] microtia[medical-dictionary.thefreedictionary.com]

  • Coma

    Oculovestibular testing (instil 20 ml ice-cold water into the external auditory meatus): Psychogenic coma - nystagmus with quick movement away from water (shows active pons[patient.info] Where a brainstem lesion is present this eye movement is absent or asymmetric. This procedure should only be done provided there is no neck instability.[patient.info]

  • Malignant Otitis Media

    Santorini’s fissure (vertical fissure in the cartilaginous canal of the external auditory meatus) is pathognomic; this finding may be absent in atypical patients (e.g., HIV[clinicaladvisor.com] Physical examination findings: Ear canal erythema with purulent discharge - Granulation tissue visible in the inferior portion of the external auditory canal at the site of[cancertherapyadvisor.com] Physical examination findings: Ear canal erythema with purulent discharge – Granulation tissue visible in the inferior portion of the external auditory canal at the site of[clinicaladvisor.com]

  • Fungal Otitis Externa

    Santorini’s fissure (vertical fissure in the cartilaginous canal of the external auditory meatus) is pathognomic; this finding may be absent in atypical patients (e.g., HIV[clinicaladvisor.com] Physical examination findings: Ear canal erythema with purulent discharge – Granulation tissue visible in the inferior portion of the external auditory canal at the site of[clinicaladvisor.com]

  • Goldenhar Syndrome

    external auditory meatus, fusion of cervical vertebrae, renal agenesis and multicystic kidney.[dro.hs.columbia.edu] […] malformations include orbital hypoplasia, upper lid colobomas, nasolacrimal duct obstruction, strabismus, iris coloboma, persistent papillary membrane, hypoplasia of the pinna, absent[dro.hs.columbia.edu]

  • Mandibulofacial Dysostosis

    […] otic microtia and aplasia of the external auditory meatus conductive hearing defects are present nasal obliteration of the nasofrontal angle with narrow nares hypoplasia[radiopaedia.org] […] curvature of the horizontal ramus of the mandible is pathognomonic may be associated with cleft palate and absence of parotid glands zygomatic arch: malformed, underdeveloped or absent[radiopaedia.org]

  • Congenital Intestinal Duplication

    […] tragus, and narrow external auditory meatus [ 26 ], middle or inner ear malformations, and with progressive hearing loss.[intechopen.com] […] because outer ear abnormalities can be associated with additional abnormalities such as shape abnormalities (helical ear pits), asymmetry, posterior angulation, small size, absent[intechopen.com]

  • Malignant Otitis Externa

    Santorini’s fissure (vertical fissure in the cartilaginous canal of the external auditory meatus) is pathognomic; this finding may be absent in atypical patients (e.g., HIV[clinicaladvisor.com] Physical examination findings: Ear canal erythema with purulent discharge – Granulation tissue visible in the inferior portion of the external auditory canal at the site of[clinicaladvisor.com]

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