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2.1
Conductive Deafness - Malformed External Ear Syndrome
Mengel-Konigsmark Syndrome

Presentation

It is our ambition to present a complete survey of all medical phenomena named for a person, with a biography of that person. Disclaimer: Whonamedit? does not give medical advice. [whonamedit.com]

Nevertheless, all affected individuals hadpartially fused carpal bones, and fusion of some cervicalvertebrae not present in our family. [docslide.com.br]

Most patients with CAA present with this moderate form. In minor cases, the ear canal is present but narrowed, and the middle ear is better developed. [emedicine.medscape.com]

The article presents the management of a case of Treacher Collins syndrome in a child with moderate facial dysmorphia and severe bilateral hearing loss. [jpss.eu]

Fifty-three loci have presently been reported. The 17 deafness forms for which the genes have been identified are presented. [ommbid.mhmedical.com]

Ears

  • Hearing Impairment

    X-linked Disorders Alport syndrome X-linked mixed hearing impairment with stapes fixation and perilymphatic gusher. Hereditary causes of hearing loss are suspected in all cases of hearing impairment. [pediatric-ent.com]

    Diseases related with High palate and Conductive hearing impairment In the following list you will find some of the most common rare diseases related to High palate and Conductive hearing impairment that can help you solving undiagnosed cases. [mendelian.co]

    Willems CRC Press, 17 Oct 2003 - Medical - 406 pages Heredity, either alone or in combination with environmental factors, is the most prominent underlying cause of hearing impairment. [books.google.com]

    Present in only 50% of all children among whom substantial hearing impairment is eventually diagnosed ... [ibis-birthdefects.org]

    The BOR syndrome comprisespreauricular pits, branchial fistulas, hearing impair-ment, and renal anomalies. [docslide.com.br]

Workup

Currently there is no consensus on a standard workup, however many have been proposed. First, a thorough history and physical should be conducted. [enetmd.com]

Cole and Jahrsdoerfer reported these findings and noted that 50% of 54 stenotic ears with canals smaller than 4 mm developed canal cholesteatoma. [13] Clinicians should readily incorporate CT scanning into their diagnostic workup to ensure that no canal [emedicine.medscape.com]

Treatment

This is a surgically implantable system for treatment of hearing loss that works through direct bone conduction [1]. [jpss.eu]

Treatment is given based on the extent of the condition. Some treatments include medication, hearing aid assistance, and surgery. [deaflinx.com]

[…] syndromeConductive deafness - malformed external ear; Conductive hearing loss and malformed low-set ears; Ear deformity and conductive hearing loss; Familial congenital moderate neural hearing loss; Mengel-Konigsmark syndrome About the Disease Diagnosis & Treatment [rarediseases.info.nih.gov]

Treatment Treatment of Goldenhar syndrome and Hemifacial microsomia is complex, since there are many aspects of the syndrome to manage. [californiaearinstitute.com]

Acupuncture treatments may help decrease the level of tinnitus sounds the patient hears, and constitutional homeopathic treatment may also be effective. [medical-dictionary.thefreedictionary.com]

Prognosis

Ear Infection Tests o Home Ear Tests o Home Hearing Tests * Home Andropause Tests * Prostate Health: Home Testing: * Home Prostate Tests * Home PSA Antigen Tests * Home Testosterone Tests * Mental Health: Home Testing: * Home Emotional Stress Tests Prognosis [checkorphan.org]

Prognosis The prognosis depends on the cause of the tinnitus and the patient's emotional response. Most patients with subjective tinnitus do not find it seriously disturbing, but about 5% have strong negative feelings. [medical-dictionary.thefreedictionary.com]

It is important to identify syndromes to better know the characteristics and prognosis of the condition. [otologiccenter.com]

Identification of this genetic cause (mutation) helps us manage your child’s care, prevents further expensive and invasive tests and gives us information on long term prognosis. [pediatric-ent.com]

Early confirmation by CT scan is helpful for medical/habilitation prognosis and management. B. Cochlear involvement Hearing losses range from none to profound. [chargesyndrome.org]

Etiology

Seite 53 - A longitudinal study of respiratory viruses and bacteria in the etiology of acute otitis media with effusion - Henderson FW, Collier AM, Sanyal MA et al. ‎ [books.google.de]

الصفحة 53 - A longitudinal study of respiratory viruses and bacteria in the etiology of acute otitis media with effusion - Henderson FW, Collier AM, Sanyal MA et al. ‏ [books.google.com]

Etiology : Autosomal dominant inheritance in some cases [6]. Pathogenesis : unknown. [sonoworld.com]

The type of hearing aid suitable to each patient would depend on the underlying etiology of hearing loss. [ascentent.com]

Int J Pediatr Otorhinolaryngol 74:1267–1269 De Leenheer EMR, Janssens S, Padalko E, Loose D, Leroy BP, Dhooge IJ (2010) Etiological diagnosis in the hearing impaired newborn: proposal of a flow chart. [enetmd.com]

Epidemiology

Authored by 60 internationally recognized researchers, the book describes the normal development of the ear, updates the classification and epidemiology of hearing loss, and surveys the usage of audiometric tests and diagnostic medical examinations. [books.google.com]

Chapters on epidemiology, embryology, non-syndromic hearing loss, and syndromic forms of hearing loss have all been updated with particular attention to the vast amount of new information on molecular mechanisms, and chapters on clinical and molecular [books.google.de]

From the molecular data presently available, three main epidemiologic results emerge: (a) Mutations in the gene encoding a gap junction protein, connexin 26, account for about half of the cases of prelingual isolated deafness in Caucasian populations; [ommbid.mhmedical.com]

Pathophysiology

Pathophysiology Short increment sensitivity index (SISI) examination suggests a cochlear lesion as the source of the hearing loss. Diagnosis Familial occurrence of sensorineural hearing loss and malformed ears. [accessanesthesiology.mhmedical.com]

Each form is introduced by a brief history of how the gene was discovered, followed by the description of its clinical features and the established or putative role of the encoded protein, as well as the current hypotheses concerning the associated pathophysiological [ommbid.mhmedical.com]

Recent studies have linked mutations in chromosome 18 to some patients with aural atresia. [6, 7] Pathophysiology Intimate knowledge of the anatomy and development of the ear is essential to understanding the clinical manifestations of CAA. [emedicine.medscape.com]

Prevention

Stapedial otosclerosis spreads to the stapes (stirrup) bone and prevents sound conduction into the inner ear. Hearing loss from this problem is usually correctable with surgery. [entslc.com]

True/False: Perforations of the tympanic membrane must be monitored closely to prevent skin cells from migrating into the ear canal and causing a cholesteatoma False: Perforations must be monitored closely to prevent skin cells from migrating into the [quizlet.com]

–Crouzon (craniofacial dysostosis): Prognathic mandibile, small maxilla –Jervell and Lange-Neilsen: Heart disease (prolonged QT interval) –Pendred: Euthyroid goiter –Oto-palatal-digital: Cleft palate, stubby clubbed digits –Congential aural atresia Prevention [checkorphan.org]

Resources About Genetic Hearing Loss from Around the Web "A Parent's Guide to Genetics of Hearing Loss" - Center for Disease Control and Prevention (CDC) Hereditary Hearing Loss Homepage Medscape Reference Genetic Sensorineural Hearing Loss [babyhearing.org]

A person born with a malformed ear in which the entrance to ear canal is closed off (atresia, microtia), would have a conductive hearing loss because the malformation would prevent sound from entering the ear normally. [successforkidswithhearingloss.com]

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