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Items: 15

1.

Oto-palato-digital syndrome, type I

The X-linked otopalatodigital (X-OPD) spectrum disorders, characterized primarily by skeletal dysplasia, include the following: Otopalatodigital syndrome type 1 (OPD1). Otopalatodigital syndrome type 2 (OPD2). Frontometaphyseal dysplasia type 1 (FMD1). Melnick-Needles syndrome (MNS). Terminal osseous dysplasia with pigmentary skin defects (TODPD). In OPD1, most manifestations are present at birth; females can present with severity similar to affected males, although some have only mild manifestations. In OPD2, females are less severely affected than related affected males. Most males with OPD2 die during the first year of life, usually from thoracic hypoplasia resulting in pulmonary insufficiency. Males who live beyond the first year of life are usually developmentally delayed and require respiratory support and assistance with feeding. In FMD1, females are less severely affected than related affected males. Males do not experience a progressive skeletal dysplasia but may have joint contractures and hand and foot malformations. Progressive scoliosis is observed in both affected males and females. In MNS, wide phenotypic variability is observed; some individuals are diagnosed in adulthood, while others require respiratory support and have reduced longevity. MNS in males results in perinatal lethality in all recorded cases. TODPD, seen only in females, is characterized by a skeletal dysplasia that is most prominent in the digits, pigmentary defects of the skin, and recurrent digital fibromata. [from GeneReviews]

MedGen UID:
78542
Concept ID:
C0265251
Disease or Syndrome
2.

Floating-Harbor syndrome

Floating-Harbor syndrome (FHS) is characterized by typical craniofacial features; low birth weight, normal head circumference, and short stature; bone age delay that normalizes between ages six and 12 years; skeletal anomalies (brachydactyly, clubbing, clinodactyly, short thumbs, prominent joints, clavicular abnormalities); severe receptive and expressive language impairment; hypernasality and high-pitched voice; and intellectual disability that is typically mild to moderate. Difficulties with temperament and behavior that are present in many children tend to improve in adulthood. Other features can include hyperopia and/or strabismus, conductive hearing loss, seizures, gastroesophageal reflux, renal anomalies (e.g., hydronephrosis / renal pelviectasis, cysts, and/or agenesis), and genital anomalies (e.g., hypospadias and/or undescended testes). [from GeneReviews]

MedGen UID:
152667
Concept ID:
C0729582
Disease or Syndrome
3.

Otospondylomegaepiphyseal dysplasia, autosomal recessive

Otospondylomegaepiphyseal dysplasia (OSMED) is characterized by sensorineural hearing loss, enlarged epiphyses, disproportionate shortness of the limbs, abnormalities in vertebral bodies, and typical facial features (summary by Harel et al., 2005). [from OMIM]

MedGen UID:
1790497
Concept ID:
C5551484
Disease or Syndrome
4.

Proximal symphalangism 1A

Proximal symphalangism-1A (SYM1A) is an autosomal dominant disorder characterized by ankylosis of the proximal interphalangeal joints, carpal and tarsal bone fusion, and, in some cases, conductive deafness (Strasburger et al., 1965). Genetic Heterogeneity of Proximal Symphalangism Another form of proximal symphalangism (SYM1B; 615298) is caused by mutation in the GDF5 gene (601146). [from OMIM]

MedGen UID:
811492
Concept ID:
C3714899
Disease or Syndrome
5.

Pelger-Huët anomaly

An autosomal dominant inherited condition caused by mutations in the lamin B receptor gene. It is characterized by defects in the neutrophil lobulation, resulting in the presence of dumbbell-shaped neutrophils with bilobed nuclei in the peripheral blood smear. [from NCI]

MedGen UID:
10617
Concept ID:
C0030779
Disease or Syndrome
6.

Metaphyseal dysplasia-maxillary hypoplasia-brachydacty syndrome

Metaphyseal dysplasia and maxillary hypoplasia with or without brachydactyly (MDMHB) is an autosomal dominant bone dysplasia characterized by metaphyseal flaring of long bones, enlargement of the medial halves of the clavicles, maxillary hypoplasia, variable brachydactyly, and dystrophic teeth (summary by Moffatt et al., 2013). [from OMIM]

MedGen UID:
762788
Concept ID:
C3549874
Disease or Syndrome
7.

Regressive spondylometaphyseal dysplasia

Rhizomelic skeletal dysplasia with or without Pelger-Huet anomaly (SKPHA) is an autosomal recessive disorder characterized by rhizomelic skeletal dysplasia of variable severity with or without abnormal nuclear shape and chromatin organization in blood granulocytes (Hoffmann et al., 2002; Borovik et al., 2013; Collins et al., 2020). Initial skeletal features may improve with age (Sobreira et al., 2014). [from OMIM]

MedGen UID:
1648288
Concept ID:
C4747922
Disease or Syndrome
8.

Syndactyly type 8

A rare non-syndromic syndactyly characterized by unilateral or bilateral fusion of the 4th and 5th metacarpals with no other associated abnormalities. Patients present shortened 4th and 5th metacarpals with excessive separation between their distal ends, resulting in marked ulnar deviation of the little finger and an inability to bring the 5th finger in parallel with the other fingers. [from ORDO]

MedGen UID:
333392
Concept ID:
C1839728
Disease or Syndrome
9.

Hoxha-Aliu syndrome

Hoxha-Aliu syndrome (HXAL) is characterized by mildly impaired intellectual development and digital anomalies of the hands and feet (Hoxha and Aliu, 2023; Guo et al., 2023). Biallelic missense mutations in the ERI1 gene have been reported to cause a more severe bone disorder, spondyloepimetaphyseal dysplasia, Guo-Campeau type (SEMDGC; 620663). [from OMIM]

MedGen UID:
1846017
Concept ID:
C5882736
Disease or Syndrome
10.

Neurodevelopmental disorder with ataxia, hypotonia, and microcephaly

MedGen UID:
1684871
Concept ID:
C5231413
Disease or Syndrome
11.

Acromegaloid facial appearance syndrome

Acromegaloid facial appearance (AFA) syndrome is a multiple congenital anomalies/dysmorphic syndrome with a probable autosomal dominant inheritance, characterized by a progressively coarse acromegaloid-like facial appearance with thickening of the lips and intraoral mucosa, large and doughy hands and, in some cases, developmental delay. AFA syndrome appears to be part of a phenotypic spectrum that includes hypertrichotic osteochondrodysplasia, Cantu type and hypertrichosis-acromegaloid facial appearance syndrome. [from MONDO]

MedGen UID:
167116
Concept ID:
C0796280
Disease or Syndrome
12.

Brachydactyly type A1B

MedGen UID:
339652
Concept ID:
C1846949
Disease or Syndrome
13.

Spondylometaphyseal dysplasia, pagnamenta type

Spondylometaphyseal dysplasia Pagnamenta type (SMDP) is characterized by short stature and mild platyspondyly with no disproportion between the limbs. Mild metaphyseal changes are present (Pagnamenta et al., 2022). [from OMIM]

MedGen UID:
1794240
Concept ID:
C5562030
Disease or Syndrome
14.

Patent ductus arteriosus-bicuspid aortic valve-hand anomalies syndrome

Patent ductus arteriosus - bicuspid aortic valve - hand anomalies syndrome is a very rare heart-hand syndrome (see this term) that is characterized by a variety of cardiovascular anomalies including patent arterial duct, bicuspid aortic valve and pseudocoarctation of the aorta in conjunction with hand anomalies such as brachydactyly and ulnar ray derivative i.e. fifth metacarpal hypoplasia. Transmission is most likely autosomal dominant. [from ORDO]

MedGen UID:
346902
Concept ID:
C1858420
Disease or Syndrome
15.

Short 5th metacarpal

Short fifth metacarpal bone. [from HPO]

MedGen UID:
348858
Concept ID:
C1861388
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