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Items: 7

1.

Peroxisome biogenesis disorders, Zellweger syndrome spectrum

Peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD, ZSS) is a continuum comprising three phenotypes — Zellweger syndrome (ZS), the most severe; neonatal adrenoleukodystrophy (NALD); and infantile Refsum disease (IRD), the least severe — that were originally described before the biochemical and molecular bases of these disorders had been fully determined. Individuals with PBD, ZSS usually come to clinical attention in the newborn period or later in childhood. In the newborn period, affected children are hypotonic, feed poorly, and have distinctive facies, seizures, and liver cysts with hepatic dysfunction. Bony stippling (chondrodysplasia punctata) of the patella(e) and other long bones may occur. Infants with ZS are significantly impaired and typically die during the first year of life, usually having made no developmental progress. Older children have retinal dystrophy, sensorineural hearing loss, developmental delay with hypotonia, and liver dysfunction. The clinical courses of NALD and IRD are variable and may include developmental delays, hearing loss, vision impairment, liver dysfunction, episodes of hemorrhage, and intracranial bleeding. While some children can be very hypotonic, others learn to walk and talk. The condition is often slowly progressive. [from GeneReviews]

MedGen UID:
330407
Concept ID:
C1832200
Disease or Syndrome
2.

Zellweger syndrome

Peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD, ZSS) is a continuum comprising three phenotypes — Zellweger syndrome (ZS), the most severe; neonatal adrenoleukodystrophy (NALD); and infantile Refsum disease (IRD), the least severe — that were originally described before the biochemical and molecular bases of these disorders had been fully determined. Individuals with PBD, ZSS usually come to clinical attention in the newborn period or later in childhood. In the newborn period, affected children are hypotonic, feed poorly, and have distinctive facies, seizures, and liver cysts with hepatic dysfunction. Bony stippling (chondrodysplasia punctata) of the patella(e) and other long bones may occur. Infants with ZS are significantly impaired and typically die during the first year of life, usually having made no developmental progress. Older children have retinal dystrophy, sensorineural hearing loss, developmental delay with hypotonia, and liver dysfunction. The clinical courses of NALD and IRD are variable and may include developmental delays, hearing loss, vision impairment, liver dysfunction, episodes of hemorrhage, and intracranial bleeding. While some children can be very hypotonic, others learn to walk and talk. The condition is often slowly progressive. [from GeneReviews]

MedGen UID:
21958
Concept ID:
C0043459
Disease or Syndrome
3.

Syndrome

A set of symptoms or conditions that occur together and suggest the presence of a certain disease or an increased chance of developing the disease. [from NCI_NCI-GLOSS]

MedGen UID:
11688
Concept ID:
C0039082
Disease or Syndrome
4.

Borries syndrome

MedGen UID:
542920
Concept ID:
C0270677
Disease or Syndrome
5.

Peroxisome biogenesis disorders

Peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD, ZSS) is a continuum comprising three phenotypes — Zellweger syndrome (ZS), the most severe; neonatal adrenoleukodystrophy (NALD); and infantile Refsum disease (IRD), the least severe — that were originally described before the biochemical and molecular bases of these disorders had been fully determined. Individuals with PBD, ZSS usually come to clinical attention in the newborn period or later in childhood. In the newborn period, affected children are hypotonic, feed poorly, and have distinctive facies, seizures, and liver cysts with hepatic dysfunction. Bony stippling (chondrodysplasia punctata) of the patella(e) and other long bones may occur. Infants with ZS are significantly impaired and typically die during the first year of life, usually having made no developmental progress. Older children have retinal dystrophy, sensorineural hearing loss, developmental delay with hypotonia, and liver dysfunction. The clinical courses of NALD and IRD are variable and may include developmental delays, hearing loss, vision impairment, liver dysfunction, episodes of hemorrhage, and intracranial bleeding. While some children can be very hypotonic, others learn to walk and talk. The condition is often slowly progressive. [from GeneReviews]

MedGen UID:
489909
Concept ID:
CN168920
Disease or Syndrome
6.

Infantile Refsum disease

Peroxisome biogenesis disorders, Zellweger syndrome spectrum (PBD, ZSS) is a continuum comprising three phenotypes — Zellweger syndrome (ZS), the most severe; neonatal adrenoleukodystrophy (NALD); and infantile Refsum disease (IRD), the least severe — that were originally described before the biochemical and molecular bases of these disorders had been fully determined. Individuals with PBD, ZSS usually come to clinical attention in the newborn period or later in childhood. In the newborn period, affected children are hypotonic, feed poorly, and have distinctive facies, seizures, and liver cysts with hepatic dysfunction. Bony stippling (chondrodysplasia punctata) of the patella(e) and other long bones may occur. Infants with ZS are significantly impaired and typically die during the first year of life, usually having made no developmental progress. Older children have retinal dystrophy, sensorineural hearing loss, developmental delay with hypotonia, and liver dysfunction. The clinical courses of NALD and IRD are variable and may include developmental delays, hearing loss, vision impairment, liver dysfunction, episodes of hemorrhage, and intracranial bleeding. While some children can be very hypotonic, others learn to walk and talk. The condition is often slowly progressive. [from GeneReviews]

MedGen UID:
79470
Concept ID:
C0282527
Disease or Syndrome
7.

Phytanic acid storage disease

Refsum disease is characterized by anosmia and early-onset retinitis pigmentosa, which are both universal findings with variable combinations of neuropathy, deafness, ataxia, and ichthyosis. Onset of symptoms ranges from age seven months to older than age 50 years. Cardiac arrhythmia and heart failure caused by cardiomyopathy are potentially severe health problems which develop later in life. [from GeneReviews]

MedGen UID:
11161
Concept ID:
C0034960
Disease or Syndrome
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