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Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome







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Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome
SpecialtyMedical genetics
SymptomsMinor physical anomalies
ComplicationsGrip, walking
Usual onsetPre-natal
DurationLife-long
CausesAutosomal dominant genetic mutation
Diagnostic methodPhysical examination, radiography
Preventionnone
PrognosisGood
FrequencyRare, around 20 families worldwide are known to have the disorder to medical literature.

Tibial hemimelia-polysyndactyly-triphalangeal thumb syndrome is a rare genetic limb malformation syndrome which is characterized by thumb triphalangy, polysyndactyly of the hand and foot, and hypoplasia/aplasia of the tibia bone. Additional features include short stature, radio-ulnar synostosis, ectrodactyly and abnormalities of the carpals and metatarsals.[1][2] Only 19 affected families worldwide have been recorded in medical literature.[3] It is associated with a heterozygous base pair substitution of A to G in position 404–406, located on intron 5 in the LMBR1 gene.[4]

References[edit]

  1. ^ RESERVED, INSERM US14-- ALL RIGHTS. "Orphanet: Tibial hemimelia polysyndactyly triphalangeal thumb syndrome". www.orpha.net. Retrieved 2022-05-20.{{cite web}}: CS1 maint: numeric names: authors list (link)
  • ^ "Absence of tibia with polydactyly - About the Disease - Genetic and Rare Diseases Information Center". rarediseases.info.nih.gov. Retrieved 2022-05-20.
  • ^ "OMIM Entry - # 188740 - TIBIA, HYPOPLASIA OR APLASIA OF, WITH POLYDACTYLY; THYP". omim.org. Retrieved 2022-05-20.
  • ^ Norbnop, Phatchara; Srichomthong, Chalurmpon; Suphapeetiporn, Kanya; Shotelersuk, Vorasuk (August 2014). "ZRS 406A>G mutation in patients with tibial hypoplasia, polydactyly and triphalangeal first fingers". Journal of Human Genetics. 59 (8): 467–470. doi:10.1038/jhg.2014.50. ISSN 1435-232X. PMID 24965254. S2CID 21552381.
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  • Retrieved from "https://en.wikipedia.org/w/index.php?title=Tibial_hemimelia-polysyndactyly-triphalangeal_thumb_syndrome&oldid=1207687819"

    Categories: 
    Genetic syndromes
    Rare genetic syndromes
    Syndromes affecting stature
    Congenital disorders of musculoskeletal system
    Genetic disorder stubs
    Hidden categories: 
    CS1 maint: numeric names: authors list
    Orphaned articles from June 2022
    All orphaned articles
    Articles with short description
    Short description matches Wikidata
    All stub articles
     



    This page was last edited on 15 February 2024, at 12:42 (UTC).

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