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Hypoplastic helices

MedGen UID:
334588
Concept ID:
C1842681
Finding
Synonym: Underdeveloped helix
 
HPO: HP:0008589

Definition

Underdevelopment of the helix, i.e., of the outer rim of the pinna. [from HPO]

Term Hierarchy

Conditions with this feature

Arthrogryposis-severe scoliosis syndrome
MedGen UID:
373169
Concept ID:
C1836756
Disease or Syndrome
Distal arthrogryposis type 4 (DA4) is distinguished by the presence of scoliosis (summary by Bamshad et al., 2009). For a phenotypic description and a discussion of genetic heterogeneity of distal arthrogryposis, see DA1 (108120).
Acrocardiofacial syndrome
MedGen UID:
324947
Concept ID:
C1838121
Disease or Syndrome
A rare genetic disorder characterised by split-hand/split-foot malformation (SHFM), facial anomalies, cleft lip/palate, congenital heart defect (CHD), genital anomalies, and intellectual deficit.
Teebi-Shaltout syndrome
MedGen UID:
376472
Concept ID:
C1848912
Disease or Syndrome
Teebi-Shaltout syndrome is characterized by slow hair growth, scaphocephaly with prominent forehead, bitemporal depression, absence of primary teeth, camptodactyly, and caudal appendage with sacral dimple (summary by Aldemir et al., 2013).
Congenital anomalies of kidney and urinary tract syndrome with or without hearing loss, abnormal ears, or developmental delay
MedGen UID:
1612119
Concept ID:
C4539968
Disease or Syndrome
CAKUTHED is an autosomal dominant highly pleiotropic developmental disorder characterized mainly by variable congenital anomalies of the kidney and urinary tract, sometimes resulting in renal dysfunction or failure, dysmorphic facial features, and abnormalities of the outer ear, often with hearing loss. Most patients have global developmental delay (summary by Heidet et al., 2017 and Slavotinek et al., 2017).
Lessel-Kreienkamp syndrome
MedGen UID:
1762595
Concept ID:
C5436892
Disease or Syndrome
Lessel-Kreienkamp syndrome (LESKRES) is a neurodevelopmental disorder characterized by global developmental delay with intellectual disability and speech and language delay apparent from infancy or early childhood. The severity of the disorder is highly variable: some patients have mildly delayed walking and mild cognitive deficits, whereas others are nonambulatory and nonverbal. Most have behavioral disorders. Additional features, including seizures, hypotonia, gait abnormalities, visual defects, cardiac defects, and nonspecific dysmorphic facial features, may also be present (summary by Lessel et al., 2020).

Recent clinical studies

Etiology

Abiramalatha T, Arunachal G, Muthusamy K, Thomas N
Eur J Med Genet 2019 Apr;62(4):248-253. Epub 2018 Jul 31 doi: 10.1016/j.ejmg.2018.07.023. PMID: 30071302
Watanabe Y, Takasu H, Sumida W, Mori K
Pediatr Surg Int 2013 Apr;29(4):369-73. doi: 10.1007/s00383-012-3250-z. PMID: 23292537
Leclerc X, Lucas C, Godefroy O, Tessa H, Martinat P, Leys D, Pruvo JP
AJNR Am J Neuroradiol 1998 May;19(5):831-7. PMID: 9613496Free PMC Article

Diagnosis

Cuvertino S, Hartill V, Colyer A, Garner T, Nair N, Al-Gazali L, Canham N, Faundes V, Flinter F, Hertecant J, Holder-Espinasse M, Jackson B, Lynch SA, Nadat F, Narasimhan VM, Peckham M, Sellers R, Seri M, Montanari F, Southgate L, Squeo GM, Trembath R, van Heel D, Venuto S, Weisberg D, Stals K, Ellard S; Genomics England Research Consortium, Barton A, Kimber SJ, Sheridan E, Merla G, Stevens A, Johnson CA, Banka S
Genet Med 2020 May;22(5):867-877. Epub 2020 Jan 17 doi: 10.1038/s41436-019-0743-3. PMID: 31949313Free PMC Article
Abiramalatha T, Arunachal G, Muthusamy K, Thomas N
Eur J Med Genet 2019 Apr;62(4):248-253. Epub 2018 Jul 31 doi: 10.1016/j.ejmg.2018.07.023. PMID: 30071302
Solomon BD, Turner CE, Klugman D, Sparks SE
Am J Med Genet A 2007 Nov 15;143A(22):2688-91. doi: 10.1002/ajmg.a.31996. PMID: 17935231
Peippo MM, Simola KO, Valanne LK, Larsen AT, Kähkönen M, Auranen MP, Ignatius J
Clin Dysmorphol 2006 Apr;15(2):47-54. doi: 10.1097/01.mcd.0000184973.14775.32. PMID: 16531728
Skrypnyk C, Goecke TO, Majewski F, Bartsch O
Am J Med Genet 2002 Nov 22;113(2):207-12. doi: 10.1002/ajmg.10764. PMID: 12407714

Prognosis

Abiramalatha T, Arunachal G, Muthusamy K, Thomas N
Eur J Med Genet 2019 Apr;62(4):248-253. Epub 2018 Jul 31 doi: 10.1016/j.ejmg.2018.07.023. PMID: 30071302
Leclerc X, Lucas C, Godefroy O, Tessa H, Martinat P, Leys D, Pruvo JP
AJNR Am J Neuroradiol 1998 May;19(5):831-7. PMID: 9613496Free PMC Article

Clinical prediction guides

Watanabe Y, Takasu H, Mori K
J Pediatr Surg 2009 Dec;44(12):2375-9. doi: 10.1016/j.jpedsurg.2009.07.073. PMID: 20006030
Leclerc X, Lucas C, Godefroy O, Tessa H, Martinat P, Leys D, Pruvo JP
AJNR Am J Neuroradiol 1998 May;19(5):831-7. PMID: 9613496Free PMC Article

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