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Items: 8

1.

Arterial calcification, generalized, of infancy, 1

Generalized arterial calcification of infancy (GACI) is characterized by infantile onset of widespread arterial calcification and/or narrowing of large and medium-sized vessels resulting in cardiovascular findings (which can include heart failure, respiratory distress, edema, cyanosis, hypertension, and/or cardiomegaly). Additional findings can include typical skin and retinal manifestations of pseudoxanthoma elasticum (PXE), periarticular calcifications, development of rickets after infancy, cervical spine fusion, and hearing loss. While mortality in infancy is high, survival into the third and fourth decades has occurred. [from GeneReviews]

MedGen UID:
1631685
Concept ID:
C4551985
Disease or Syndrome
2.

Progressive osseous heteroplasia

Disorders of GNAS inactivation include the phenotypes pseudohypoparathyroidism Ia, Ib, and Ic (PHP-Ia, -Ib, -Ic), pseudopseudohypoparathyroidism (PPHP), progressive osseous heteroplasia (POH), and osteoma cutis (OC). PHP-Ia and PHP-Ic are characterized by: End-organ resistance to endocrine hormones including parathyroid hormone (PTH), thyroid-stimulating hormone (TSH), gonadotropins (LH and FSH), growth hormone-releasing hormone (GHRH), and CNS neurotransmitters (leading to obesity and variable degrees of intellectual disability and developmental delay); and The Albright hereditary osteodystrophy (AHO) phenotype (short stature, round facies, and subcutaneous ossifications) and brachydactyly type E (shortening mainly of the 4th and/or 5th metacarpals and metatarsals and distal phalanx of the thumb). Although PHP-Ib is characterized principally by PTH resistance, some individuals also have partial TSH resistance and mild features of AHO (e.g., brachydactyly). PPHP, a more limited form of PHP-Ia, is characterized by various manifestations of the AHO phenotype without the hormone resistance or obesity. POH and OC are even more restricted variants of PPHP: POH consists of dermal ossification beginning in infancy, followed by increasing and extensive bone formation in deep muscle and fascia. OC consists of extra-skeletal ossification that is limited to the dermis and subcutaneous tissues. [from GeneReviews]

MedGen UID:
137714
Concept ID:
C0334041
Disease or Syndrome
3.

Hyperphosphatasemia with bone disease

Paget disease of bone-5 is an autosomal recessive, juvenile-onset form of Paget disease, a disorder of the skeleton resulting from abnormal bone resorption and formation. Clinical manifestations include short stature, progressive long bone deformities, fractures, vertebral collapse, skull enlargement, and hyperostosis with progressive deafness. There is phenotypic variability, with some patients presenting in infancy, while others present later in childhood (summary by Naot et al., 2014). For discussion of genetic heterogeneity of Paget disease of bone, see 167250. [from OMIM]

MedGen UID:
75678
Concept ID:
C0268414
Disease or Syndrome
4.

Auriculocondylar syndrome 1

Other features of auriculo-condylar syndrome can include prominent cheeks, an unusually small mouth (microstomia), differences in the size and shape of facial structures between the right and left sides of the face (facial asymmetry), and an opening in the roof of the mouth (cleft palate). These features vary, even among affected members of the same family.

Abnormalities of the mandible are another characteristic feature of auriculo-condylar syndrome. These abnormalities often include an unusually small chin (micrognathia) and malfunction of the temporomandibular joint (TMJ), which connects the lower jaw to the skull. Problems with the TMJ affect how the upper and lower jaws fit together and can make it difficult to open and close the mouth. The term "condylar" in the name of the condition refers to the mandibular condyle, which is the upper portion of the mandible that forms part of the TMJ.

Most people with auriculo-condylar syndrome have malformed outer ears ("auriculo-" refers to the ears). A hallmark of this condition is an ear abnormality called a "question-mark ear," in which the ears have a distinctive question-mark shape caused by a split that separates the upper part of the ear from the earlobe. Other ear abnormalities that can occur in auriculo-condylar syndrome include cupped ears, ears with fewer folds and grooves than usual (described as "simple"), narrow ear canals, small skin tags in front of or behind the ears, and ears that are rotated backward. Some affected individuals also have hearing loss.

Auriculo-condylar syndrome is a condition that affects facial development, particularly development of the ears and lower jaw (mandible). [from MedlinePlus Genetics]

MedGen UID:
1639644
Concept ID:
C4551996
Disease or Syndrome
5.

Restrictive dermopathy 1

A restrictive dermopathy that has material basis in homozygous or compound heterozygous mutation in the ZMPSTE24 gene on chromosome 1p34. [from MONDO]

MedGen UID:
1812447
Concept ID:
C5676878
Disease or Syndrome
6.

Lethal congenital contracture syndrome 9

Any lethal congenital contracture syndrome in which the cause of the disease is a mutation in the ADGRG6 gene. [from MONDO]

MedGen UID:
903881
Concept ID:
C4225303
Disease or Syndrome
7.

Syndactyly-camptodactyly and clinodactyly of fifth fingers-bifid toes syndrome

A rare genetic congenital limb malformation syndrome with characteristics of a unique combination of bilateral, symmetrical camptodactyly and clinodactyly of fifth fingers, mesoaxial camptodactyly of toes and ulnar deviation of third fingers. Additional variable manifestations include bifid toes and severe syndactyly or synpolydactyly involving all digits of hands and feet. [from SNOMEDCT_US]

MedGen UID:
767525
Concept ID:
C3554611
Disease or Syndrome
8.

Ankylosis

A reduction of joint mobility resulting from changes involving the articular surfaces. [from HPO]

MedGen UID:
8101
Concept ID:
C0003090
Pathologic Function
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