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Neurodevelopmental disorder with dysmorphic facies and ischiopubic hypoplasia(NEDFIH)

MedGen UID:
1824071
Concept ID:
C5774298
Disease or Syndrome
Synonym: NEDFIH
 
Gene (location): NAE1 (16q22.1)
 
Monarch Initiative: MONDO:0859361
OMIM®: 620210

Definition

Neurodevelopmental disorder with dysmorphic facies and ischiopubic hypoplasia (NEDFIH) is an autosomal recessive disorder characterized by these features and moderate to severe global developmental delay. Affected individuals show episodic regression during periods of stress, including seizures or infection, the latter of which may be associated with lymphopenia. Brain imaging shows diminished white matter volume, enlarged ventricles, and thin corpus callosum (Muffels et al., 2023). [from OMIM]

Clinical features

From HPO
Recurrent urinary tract infections
MedGen UID:
120466
Concept ID:
C0262655
Disease or Syndrome
Repeated infections of the urinary tract.
Coarctation of aorta
MedGen UID:
1617
Concept ID:
C0003492
Congenital Abnormality
Coarctation of the aorta is a narrowing or constriction of a segment of the aorta.
Ventricular septal defect
MedGen UID:
42366
Concept ID:
C0018818
Congenital Abnormality
A hole between the two bottom chambers (ventricles) of the heart. The defect is centered around the most superior aspect of the ventricular septum.
Short stature
MedGen UID:
87607
Concept ID:
C0349588
Finding
A height below that which is expected according to age and gender norms. Although there is no universally accepted definition of short stature, many refer to "short stature" as height more than 2 standard deviations below the mean for age and gender (or below the 3rd percentile for age and gender dependent norms).
Postnatal growth retardation
MedGen UID:
395343
Concept ID:
C1859778
Finding
Slow or limited growth after birth.
Hepatomegaly
MedGen UID:
42428
Concept ID:
C0019209
Finding
Abnormally increased size of the liver.
Neurodegeneration
MedGen UID:
17999
Concept ID:
C0027746
Cell or Molecular Dysfunction
Progressive loss of neural cells and tissue.
Seizure
MedGen UID:
20693
Concept ID:
C0036572
Sign or Symptom
A seizure is an intermittent abnormality of nervous system physiology characterised by a transient occurrence of signs and/or symptoms due to abnormal excessive or synchronous neuronal activity in the brain.
Hypoplasia of the corpus callosum
MedGen UID:
138005
Concept ID:
C0344482
Congenital Abnormality
Underdevelopment of the corpus callosum.
Global developmental delay
MedGen UID:
107838
Concept ID:
C0557874
Finding
A delay in the achievement of motor or mental milestones in the domains of development of a child, including motor skills, speech and language, cognitive skills, and social and emotional skills. This term should only be used to describe children younger than five years of age.
Ventriculomegaly
MedGen UID:
480553
Concept ID:
C3278923
Finding
An increase in size of the ventricular system of the brain.
Delayed CNS myelination
MedGen UID:
867393
Concept ID:
C4021758
Anatomical Abnormality
Delayed myelination in the central nervous system.
Joint dislocation
MedGen UID:
41614
Concept ID:
C0012691
Injury or Poisoning
Displacement or malalignment of joints.
Hypotonia
MedGen UID:
10133
Concept ID:
C0026827
Finding
Hypotonia is an abnormally low muscle tone (the amount of tension or resistance to movement in a muscle). Even when relaxed, muscles have a continuous and passive partial contraction which provides some resistance to passive stretching. Hypotonia thus manifests as diminished resistance to passive stretching. Hypotonia is not the same as muscle weakness, although the two conditions can co-exist.
Joint stiffness
MedGen UID:
56403
Concept ID:
C0162298
Sign or Symptom
Joint stiffness is a perceived sensation of tightness in a joint or joints when attempting to move them after a period of inactivity. Joint stiffness typically subsides over time.
Joint hypermobility
MedGen UID:
336793
Concept ID:
C1844820
Finding
The capability that a joint (or a group of joints) has to move, passively and/or actively, beyond normal limits along physiological axes.
Reduced bone mineral density
MedGen UID:
393152
Concept ID:
C2674432
Finding
A reduction of bone mineral density, that is, of the amount of matter per cubic centimeter of bones.
Recurrent respiratory infections
MedGen UID:
812812
Concept ID:
C3806482
Finding
An increased susceptibility to respiratory infections as manifested by a history of recurrent respiratory infections.
Leukopenia
MedGen UID:
6073
Concept ID:
C0023530
Disease or Syndrome
An abnormal decreased number of leukocytes in the blood.
Lymphopenia
MedGen UID:
7418
Concept ID:
C0024312
Disease or Syndrome
A reduced number of lymphocytes in the blood.
Splenomegaly
MedGen UID:
52469
Concept ID:
C0038002
Finding
Abnormal increased size of the spleen.
Decreased circulating total IgM
MedGen UID:
116095
Concept ID:
C0239989
Finding
An abnormally decreased level of immunoglobulin M (IgM) in blood.
Recurrent skin infections
MedGen UID:
377848
Concept ID:
C1853193
Disease or Syndrome
Infections of the skin that happen multiple times.
Decreased circulating IgG level
MedGen UID:
1720114
Concept ID:
C5234937
Finding
An abnormally decreased level of immunoglobulin G (IgG) in blood.
Cleft palate
MedGen UID:
756015
Concept ID:
C2981150
Congenital Abnormality
Cleft palate is a developmental defect of the palate resulting from a failure of fusion of the palatine processes and manifesting as a separation of the roof of the mouth (soft and hard palate).

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