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Rajab interstitial lung disease with brain calcifications 2(RILDBC2)

MedGen UID:
1770895
Concept ID:
C5436603
Disease or Syndrome
Synonyms: RAJAB INTERSTITIAL LUNG DISEASE WITH BRAIN CALCIFICATIONS 2; RILDBC2
 
Gene (location): FARSA (19p13.13)
 
Monarch Initiative: MONDO:0100220
OMIM®: 619013

Definition

Rajab interstitial lung disease with brain calcifications-2 (RILDBC2) is an autosomal recessive disorder characterized by growth delay, interstitial lung disease, liver disease, and abnormal brain MRI findings, including brain calcifications and periventricular cysts (Krenke et al., 2019). For a discussion of genetic heterogeneity of RILDBC, see RILDBC1 (613658). [from OMIM]

Clinical features

From HPO
Exercise intolerance
MedGen UID:
603270
Concept ID:
C0424551
Finding
A functional motor deficit where individuals whose responses to the challenges of exercise fail to achieve levels considered normal for their age and gender.
Arachnodactyly
MedGen UID:
2047
Concept ID:
C0003706
Congenital Abnormality
Abnormally long and slender fingers (spider fingers).
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).
Hepatosplenomegaly
MedGen UID:
9225
Concept ID:
C0019214
Sign or Symptom
Simultaneous enlargement of the liver and spleen.
Feeding difficulties in infancy
MedGen UID:
436211
Concept ID:
C2674608
Finding
Impaired feeding performance of an infant as manifested by difficulties such as weak and ineffective sucking, brief bursts of sucking, and falling asleep during sucking. There may be difficulties with chewing or maintaining attention.
Hepatic steatosis
MedGen UID:
398225
Concept ID:
C2711227
Disease or Syndrome
Steatosis is a term used to denote lipid accumulation within hepatocytes.
Hypopituitarism
MedGen UID:
9386
Concept ID:
C0020635
Disease or Syndrome
A condition of diminution or cessation of secretion of one or more hormones from the anterior pituitary gland. This may result from surgical or radiation ablation, non-secretory pituitary neoplasms, metastatic tumors, infarction, pituitary apoplexy, infiltrative or granulomatous processes, and other conditions.
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.
Periventricular cysts
MedGen UID:
326980
Concept ID:
C1839858
Finding
Microcytic anemia
MedGen UID:
1673948
Concept ID:
C5194182
Disease or Syndrome
A kind of anemia in which the volume of the red blood cells is reduced.
Scoliosis
MedGen UID:
11348
Concept ID:
C0036439
Disease or Syndrome
The presence of an abnormal lateral curvature of the spine.
Decreased muscle mass
MedGen UID:
373256
Concept ID:
C1837108
Finding
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.
Generalized hypotonia
MedGen UID:
346841
Concept ID:
C1858120
Finding
Generalized muscular hypotonia (abnormally low muscle tone).
Microcephaly
MedGen UID:
1644158
Concept ID:
C4551563
Finding
Head circumference below 2 standard deviations below the mean for age and gender.
Cough
MedGen UID:
41325
Concept ID:
C0010200
Sign or Symptom
A sudden, audible expulsion of air from the lungs through a partially closed glottis, preceded by inhalation.
Restrictive ventilatory defect
MedGen UID:
478856
Concept ID:
C3277226
Finding
A functional defect characterized by reduced total lung capacity (TLC) not associated with abnormalities of expiratory airflow or airway resistance. Spirometrically, a restrictive defect is defined as FEV1 (forced expiratory volume in 1 second) and FVC (forced vital capacity) less than 80 per cent. Restrictive lung disease may be caused by alterations in lung parenchyma or because of a disease of the pleura, chest wall, or neuromuscular apparatus.
Abnormal pulmonary interstitial morphology
MedGen UID:
1788738
Concept ID:
C5441745
Anatomical Abnormality
Abnormality of the lung parenchyma extending to the pulmonary interstitium and leading to diffuse pulmonary fibrosis.
Hypoalbuminemia
MedGen UID:
68694
Concept ID:
C0239981
Finding
Reduction in the concentration of albumin in the blood.
Hypertriglyceridemia
MedGen UID:
167238
Concept ID:
C0813230
Finding
An abnormal increase in the level of triglycerides in the blood.
Elevated circulating hepatic transaminase concentration
MedGen UID:
338525
Concept ID:
C1848701
Finding
Elevations of the levels of SGOT and SGPT in the serum. SGOT (serum glutamic oxaloacetic transaminase) and SGPT (serum glutamic pyruvic transaminase) are transaminases primarily found in the liver and heart and are released into the bloodstream as the result of liver or heart damage. SGOT and SGPT are used clinically mainly as markers of liver damage.
Elfin facies
MedGen UID:
87157
Concept ID:
C0332606
Sign or Symptom
This is a description previously used to describe a facial form characterized by a short, upturned nose, wide mouth, widely spaced eyes, and full cheeks. Because of the imprecision in this definition it is preferable to describe these features precisely. This term is retained because it was often used in the past, but it should not be used for new annotations.
Oligohydramnios
MedGen UID:
86974
Concept ID:
C0079924
Pathologic Function
Diminished amniotic fluid volume in pregnancy.
Hypothyroidism
MedGen UID:
6991
Concept ID:
C0020676
Disease or Syndrome
Deficiency of thyroid hormone.
Deeply set eye
MedGen UID:
473112
Concept ID:
C0423224
Finding
An eye that is more deeply recessed into the plane of the face than is typical.

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