Presentation
The presentation of basic science underlying clinical otorhinolaryngology has been expanded, and molecular mechanisms and genetics of disease are presented. [books.google.com]
Fifty-three loci have presently been reported. The 17 deafness forms for which the genes have been identified are presented. [ommbid.mhmedical.com]
On the other hand, a negative result substantially reduces the likelihood that a syndrome is present, alleviating concerns about the future development of these features. [personalizedmedicine.partners.org]
Deafness, autosomal dominant, 23 (DFNA23) [MIM:605192]: A form of non-syndromic deafness characterized by prelingual, bilateral, symmetric hearing loss with a conductive component present in some but not all patients. [genecards.org]
Hearing loss that is present before a child learns to speak is classified as prelingual or congenital. Hearing loss that occurs after the development of speech is classified as postlingual. [ipfs.io]
Gastrointestinal
- Diarrhea
ataxia, myoclony, psychomotor retardation, mental retardation, leucodystrophy neuropathy EYE Optic atrophy, retinitispigmentosa, ptosis, cataract, ophthalmoplegia LIVER Hepatocellular insufficiency, liver failure, liver enlargement DIGESTIVE TRACT Diarrhea [docplayer.net]
Landau-Kleffner syndrome Tetrasomy 9p Brachydactylous dwarfism Mseleni type Synovial chondromatosis, familial with dwarfism Florid cemento-osseous dysplasia Optic atrophy polyneuropathy deafness 2-methylbutyryl-CoA dehydrogenase deficiency Congenital chloride diarrhea [checkrare.com]
- Vomiting
[…] myoclony, psychomotor retardation, mental retardation, leucodystrophy neuropathy EYE Optic atrophy, retinitispigmentosa, ptosis, cataract, ophthalmoplegia LIVER Hepatocellular insufficiency, liver failure, liver enlargement DIGESTIVE TRACT Diarrhea, vomiting [docplayer.net]
Skin
- Hyperkeratosis
[…] cirrhosis ) KRT10 ( Epidermolytic hyperkeratosis ) KRT12 ( Meesmann juvenile epithelial corneal dystrophy ) KRT13 ( White sponge nevus ) KRT14 ( Epidermolysis bullosa simplex ) KRT17 ( Steatocystoma multiplex ) KRT18 ( Familial cirrhosis ) KRT81 / KRT83 [ipfs.io]
[…] deletion syndrome Scott syndrome Syndactyly type 9 Cogan-Reese syndrome Bannayan-Riley-Ruvalcaba syndrome Congenital absence of the sternocleidomastoid muscle Levy-Yeboa syndrome Eunuchoidism familial hypogonadotropic Pfeiffer Tietze Welte syndrome Hyperkeratosis [checkrare.com]
Ears
- Hearing Impairment
Introduction The Hereditary Hearing loss Homepage aims to give an up-to-date overview of the genetics of hereditary hearing impairment for researchers and clinicians working in the field. [hereditaryhearingloss.org]
impairment 32 frequent (33%) HP:0000405 3 sensorineural hearing impairment 32 HP:0000407 4 preauricular pit 32 occasional (7.5%) HP:0004467 MGI Mouse Phenotypes related to Deafness, Autosomal Dominant 23: 46 # Description MGI Source Accession Score Top [malacards.org]
Hearing Loss Testing Requisition Form Hearing impairment is the most frequent sensory deficit in humans. It affects 1 in 500 newborns and 50% of octogenarians and in aggregate affects 360 million people worldwide. [morl.lab.uiowa.edu]
For PTA, the levels of hearing loss are described as follows: ~20 dB is assigned as normal hearing; 21–40 dB as mild hearing impairment; 41–70 dB as moderate hearing impairment; 71–95 dB as severe hearing impairment; and >95 dB as profound hearing impairment [bmcmedgenet.biomedcentral.com]
Non-syndromal sensorineural hearing impairment in humans is genetically heterogeneous showing autosomal recessive, autosomal dominant, X-linked or mitochondrial modes of transmission. DFNB9 is caused by mutations in the OTOF gene. [cags.org.ae]
- Tinnitus
The subjects with hearing loss also reported tinnitus, but there were no vestibular signs or symptoms (Table 1, Fig. 2 ). [bmcmedgenet.biomedcentral.com]
Neurologic
- Tremor
Dihydropyrimidine dehydrogenase deficiency 274270 612779 Autosomal recessive DPYS 8q22.3 Dihydropyrimidinuria 222748 613326 Autosomal recessive DRD3 3q13.31 {Schizophrenia, susceptibility to} 181500 126451 Autosomal dominant DRD3 3q13.31 {Essential tremor [mnglabs.com]
- Mental Deterioration
deterioration Limb-girdle muscular dystrophy Palmoplantar keratoderma-sclerodactyly syndrome Limb-body wall complex Lopes Gorlin syndrome Currarino triad Spondylometaphyseal dysplasia with cone-rod dystrophy Brachydactyly with hypertension Acral peeling [checkrare.com]
Treatment
[…] fellows wishing to train in the specialty, given that the current standard of training requires knowledge in laryngotracheal reconstruction, congenital airway anomalies, or-facial anomalies, speech and voice disorders, head and neck, and diagnosis and treatment [books.google.com]
Treatment - Deafness- autosomal dominant nonsyndromic sensorineural 23 Not supplied. Resources - Deafness- autosomal dominant nonsyndromic sensorineural 23 Not supplied. [checkorphan.org]
Congenitally deaf patients for understanding the cause of their hearing loss and determining appropriate interventions/treatments Family members of congenital deaf persons to determine whether they are carriers of hearing loss mutation(s) Patients with [otogenetics.com]
You can help by adding to it. ( December 2017 ) Treatment [ edit ] Treatment is supportive and consists of management of manifestations. User of hearing aids and/or cochlear implant, suitable educational programs can be offered. [en.wikipedia.org]
Consult your personal physician or other professional health care provider when seeking individualized treatment regarding your medical diagnosis or condition. [varsome.com]
Prognosis
Prognosis - Deafness- autosomal dominant nonsyndromic sensorineural 23 Not supplied. Treatment - Deafness- autosomal dominant nonsyndromic sensorineural 23 Not supplied. [checkorphan.org]
Determining the etiology of hearing loss is important in determining prognosis (e.g. whether the severity of hearing impairment will worsen), optimal therapeutic interventions (e.g. hearing aids, cochlear implant, sign language) and recurrence risks to [personalizedmedicine.partners.org]
Etiology
Background Hearing loss has an incidence of 1 in 250 births and over half of isolated childhood hearing loss has a genetic etiology, with many genes involved. [personalizedmedicine.partners.org]
Of note, there’s some debate about the molecular etiology of nonsyndromic sensorineural hearing loss in subjects with only one detectable GJB2 mutation. A minority of such cases is explained by digenic etiology of GJB2 with GJB3 or GJB6. [bredagenetics.com]
Non-syndromic forms are responsible for 70% of the cases of hereditary etiology and syndromic cases represent 30% of them. [genome.jp]
Genetics Evaluation Guidelines for the Etiologic Diagnosis of Congenital Hearing Loss. Genetic Evaluation of Congenital Hearing Loss Expert Panel. ACMG statement. Genet Med. 2002;4(3):162–71. [bmcmedgenet.biomedcentral.com]
For the patients with residual hearing, newly developed cochlear implantation; EAS (Electric Acoustic Stimulation) is a good therapeutic option and therefore much attention should be paid to the etiology when considering individual intervention, i.e., [journals.plos.org]
Epidemiology
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]
Relevant External Links for SIX1 Human Genome Epidemiology (HuGE) Navigator SIX1 Atlas of Genetics and Cytogenetics in Oncology and Haematology: SIX1 No data available for Genatlas for SIX1 Gene SIX1 mutations cause branchio-oto-renal syndrome by disruption [genecards.org]
Epidemiology About 1 in 1,000 children in the United States is born with profound deafness. By age 9, about 3 in 1,000 children have hearing loss that affects the activities of daily living. [ipfs.io]
Periodic surveillance is also important. [2] Epidemiology [ edit ] About 1 in 1,000 children in the United States is born with profound deafness. By age 9, about 3 in 1,000 children have hearing loss that affects the activities of daily living. [en.wikipedia.org]
The Global Epidemiology of Hereditary Ataxiaand Spastic Paraplegia: A systematic review of prevalence studies. Neuroepidemiology 2014; 24:174-183. Ashizawa T, Figueroa KP, Perlman SL, et al. [rarediseases.org]
Pathophysiology
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]
Prevention
Prevention - Deafness- autosomal dominant nonsyndromic sensorineural 23 Not supplied. [checkorphan.org]
Prevention of deafness for patients carrying ototoxic antibiotic sensitive gene variants Pre-onset intervention of life-threatening or blindness for patients carrying gene variants in syndromic deafness, such as Jervell and Lange-Nielsen (hearing impairment [otogenetics.com]