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Items: 7

1.

Cleidocranial dysostosis

Cleidocranial dysplasia (CCD) spectrum disorder is a skeletal dysplasia that represents a clinical continuum ranging from classic CCD (triad of delayed closure of the cranial sutures, hypoplastic or aplastic clavicles, and dental abnormalities) to mild CCD to isolated dental anomalies without the skeletal features. Most individuals come to diagnosis because they have classic features. At birth, affected individuals typically have abnormally large, wide-open fontanelles that may remain open throughout life. Clavicular hypoplasia can result in narrow, sloping shoulders that can be opposed at the midline. Moderate short stature may be observed, with most affected individuals being shorter than their unaffected sibs. Dental anomalies may include supernumerary teeth, eruption failure of the permanent teeth, and presence of the second permanent molar with the primary dentition. Individuals with CCD spectrum disorder are at increased risk of developing recurrent sinus infections, recurrent ear infections leading to conductive hearing loss, and upper-airway obstruction. Intelligence is typically normal. [from GeneReviews]

MedGen UID:
3486
Concept ID:
C0008928
Disease or Syndrome
2.

Spondyloepiphyseal dysplasia congenita

Spondyloepiphyseal dysplasia congenita (SEDC) is an autosomal dominant chondrodysplasia characterized by disproportionate short stature (short trunk), abnormal epiphyses, and flattened vertebral bodies. Skeletal features are manifested at birth and evolve with time. Other features include myopia and/or retinal degeneration with retinal detachment and cleft palate (summary by Anderson et al., 1990). [from OMIM]

MedGen UID:
412530
Concept ID:
C2745959
Congenital Abnormality
3.

Spondyloepimetaphyseal dysplasia, Strudwick type

The Strudwick type of spondyloepimetaphyseal dysplasia (SEMD) is characterized by disproportionate short stature, pectus carinatum, and scoliosis, as well as dappled metaphyses (summary by Tiller et al., 1995). [from OMIM]

MedGen UID:
147134
Concept ID:
C0700635
Disease or Syndrome; Finding
4.

Spondylo-megaepiphyseal-metaphyseal dysplasia

Spondylo-megaepiphyseal-metaphyseal dysplasia is a rare autosomal recessive skeletal dysplasia characterized by disproportionate short stature with a short and stiff neck and trunk; relatively long limbs that may show flexion contractures of the distal joints; delayed and impaired ossification of the vertebral bodies and the presence of large epiphyseal ossification centers and wide growth plates in the long tubular bones; and numerous pseudoepiphyses of the short tubular bones in hands and feet (summary by Hellemans et al., 2009). [from OMIM]

MedGen UID:
412869
Concept ID:
C2750066
Disease or Syndrome
5.

Spondyloepimetaphyseal dysplasia, Krakow type

Krakow-type spondyloepimetaphyseal dysplasia is characterized by severe skeletal dysplasia, severe immunodeficiency, and developmental delay (Csukasi et al., 2018). [from OMIM]

MedGen UID:
1648323
Concept ID:
C4748455
Disease or Syndrome
6.

Cleidocranial dysplasia 2

Cleidocranial dysplasia-2 (CLCD2) is characterized by clavicular anomalies, ranging from unilateral 'clavicula bipartita' to bilateral clavicular aplasia, and dental anomalies, including delayed or absent eruption of deciduous teeth and supernumerary teeth. Skull abnormalities such as delayed closure of fontanels have been reported; other skeletal features include delayed bone age, short distal phalanges, and pseudoepiphyses of the metacarpals and/or metatarsals. Phenotypic variability, including intrafamilial, has been observed (Beyltjens et al., 2023). For a general phenotypic description and a discussion of genetic heterogeneity of cleidocranial dysplasia, see CLCD1 (119600). [from OMIM]

MedGen UID:
1824016
Concept ID:
C5774243
Disease or Syndrome
7.

Delayed pubic bone ossification

Delayed maturation and calcification of the pubic bone. [from HPO]

MedGen UID:
357116
Concept ID:
C1866710
Finding
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