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Renpenning syndrome 1(RENS1)

MedGen UID:
208670
Concept ID:
C0796135
Disease or Syndrome
Synonyms: GOLABI-ITO-HALL SYNDROME; MENTAL RETARDATION, X-LINKED 55; Mental retardation, X-linked Renpenning type; Mental retardation, X-linked, syndromic 8; RENPENNING SYNDROME; RENS1; Sutherland-Haan syndrome; Sutherland-Haan X-linked mental retardation syndrome; X-linked mental retardation syndromic 3; X-linked mental retardation with spastic diplegia
Modes of inheritance:
X-linked recessive inheritance
MedGen UID:
375779
Concept ID:
C1845977
Finding
Sources: HPO, OMIM, Orphanet
A mode of inheritance that is observed for recessive traits related to a gene encoded on the X chromosome. In the context of medical genetics, X-linked recessive disorders manifest in males (who have one copy of the X chromosome and are thus hemizygotes), but generally not in female heterozygotes who have one mutant and one normal allele.
X-linked recessive inheritance (HPO, OMIM, Orphanet)
SNOMED CT: Renpenning syndrome (699669001); Porteous syndrome (699669001); Sutherland-Haan syndrome (699669001); X-linked intellectual deficit due to PQBP1 mutation (699669001); Hamel cerebropalatocardiac syndrome (699669001); Golabi-Ito-Hall syndrome (699669001)
 
Gene (location): PQBP1 (Xp11.23)
OMIM®: 309500
Orphanet: ORPHA3242

Definition

Renpenning syndrome is an X-linked mental retardation syndrome with clinically recognizable features. Affected individuals have microcephaly, short stature, small testes, and dysmorphic facies, including tall narrow face, upslanting palpebral fissures, abnormal nasal configuration, cupped ears, and short philtrum. The nose may appear long or bulbous, with overhanging columella. Less consistent manifestations include ocular colobomas, cardiac malformations, cleft palate, and anal anomalies. Stevenson et al. (2005) proposed that the various X-linked mental retardation syndromes due to PQBP1 mutations be combined under the name of Renpenning syndrome. [from OMIM]

Additional description

From GHR
Renpenning syndrome is a disorder that almost exclusively affects males, causing developmental delay, moderate to severe intellectual disability, and distinctive physical features. Individuals with Renpenning syndrome typically have short stature and a small head size (microcephaly). Facial features characteristic of this disorder include a long, narrow face; outside corners of the eyes that point upward (upslanting palpebral fissures); a long, bulbous nose with a low-hanging separation between the nostrils (overhanging columella); a shortened space between the nose and mouth (philtrum); and cup-shaped ears. Males with Renpenning syndrome generally have small testes. Seizures and wasting away (atrophy) of muscles used for movement (skeletal muscles) may also occur in this disorder.About 20 percent of individuals with Renpenning syndrome also have other features, which may include a gap or split in structures that make up the eye (coloboma), an opening in the roof of the mouth (cleft palate), heart abnormalities, or malformations of the anus.Certain combinations of the features that often occur in Renpenning syndrome are sometimes called by other names, such as Golabi-Ito-Hall syndrome or Sutherland-Haan syndrome. However, all these syndromes, which have the same genetic cause, are now generally grouped under the term Renpenning syndrome.  https://ghr.nlm.nih.gov/condition/renpenning-syndrome

Clinical features

Hypermetropia
MedGen UID:
43780
Concept ID:
C0020490
Disease or Syndrome
A refractive error in which rays of light entering the eye parallel to the optic axis are brought to a focus behind the retina, as a result of the eyeball being too short from front to back. It is also called farsightedness because the near point is more distant than it is in emmetropia with an equal amplitude of accommodation. (Dorland, 27th ed)
Microphthalmos
MedGen UID:
10033
Concept ID:
C0026010
Congenital Abnormality
Microphthalmia is an eye abnormality that arises before birth. In this condition, one or both eyeballs are abnormally small. In some affected individuals, the eyeball may appear to be completely missing; however, even in these cases some remaining eye tissue is generally present. Such severe microphthalmia should be distinguished from another condition called anophthalmia, in which no eyeball forms at all. However, the terms anophthalmia and severe microphthalmia are often used interchangeably. Microphthalmia may or may not result in significant vision loss.People with microphthalmia may also have a condition called coloboma. Colobomas are missing pieces of tissue in structures that form the eye. They may appear as notches or gaps in the colored part of the eye called the iris; the retina, which is the specialized light-sensitive tissue that lines the back of the eye; the blood vessel layer under the retina called the choroid; or in the optic nerves, which carry information from the eyes to the brain. Colobomas may be present in one or both eyes and, depending on their size and location, can affect a person's vision.People with microphthalmia may also have other eye abnormalities, including clouding of the lens of the eye (cataract) and a narrowed opening of the eye (narrowed palpebral fissure). Additionally, affected individuals may have an abnormality called microcornea, in which the clear front covering of the eye (cornea) is small and abnormally curved.Between one-third and one-half of affected individuals have microphthalmia as part of a syndrome that affects other organs and tissues in the body. These forms of the condition are described as syndromic. When microphthalmia occurs by itself, it is described as nonsyndromic or isolated.
Strabismus
MedGen UID:
21337
Concept ID:
C0038379
Disease or Syndrome
Strabismus (also known as squint) is a condition in which the eyes are not properly aligned with each other.
Cataract
MedGen UID:
39462
Concept ID:
C0086543
Acquired Abnormality
A cataract is a clouding of the lens in your eye. It affects your vision. Cataracts are very common in older people. By age 80, more than half of all Americans either have a cataract or have had cataract surgery. A cataract can occur in either or both eyes. It cannot spread from one eye to the other. Common symptoms are. -Blurry vision. -Colors that seem faded. -Glare - headlights, lamps or sunlight may seem too bright. You may also see a halo around lights. -Not being able to see well at night. -Double vision . -Frequent prescription changes in your eye wear . Cataracts usually develop slowly. New glasses, brighter lighting, anti-glare sunglasses or magnifying lenses can help at first. Surgery is also an option. It involves removing the cloudy lens and replacing it with an artificial lens. Wearing sunglasses and a hat with a brim to block ultraviolet sunlight may help to delay cataracts. NIH: National Eye Institute.
Blindness
MedGen UID:
99138
Concept ID:
C0456909
Finding
Blindness is the condition of lacking visual perception due to physiological or neurological factors.
Decreased testicular size
MedGen UID:
66027
Concept ID:
C0241355
Finding
Reduced volume of the testicle (the male gonad).
Renal hypoplasia
MedGen UID:
120571
Concept ID:
C0266295
Congenital Abnormality
Hypoplasia of the kidney.
Phimosis
MedGen UID:
87496
Concept ID:
C0345326
Congenital Abnormality
The male foreskin cannot be fully retracted from the head of the penis.
Hypospadias
MedGen UID:
305577
Concept ID:
C1691215
Congenital Abnormality
Location of the urethral opening on the inferior aspect of the penis.
Joint contracture of the hand
MedGen UID:
56382
Concept ID:
C0158113
Finding
Contractures of one ore more joints of the hands meaning chronic loss of joint motion due to structural changes in non-bony tissue.
Narrow foot
MedGen UID:
108395
Concept ID:
C0576227
Finding
A foot for which the measured width is below the 5th centile for age; or, a foot that appears disproportionately narrow for its length.
Pes cavus
MedGen UID:
675590
Concept ID:
C0728829
Congenital Abnormality
The presence of an unusually high plantar arch. Also called high instep, pes cavus refers to a distinctly hollow form of the sole of the foot when it is bearing weight.
Clinodactyly of the 5th finger
MedGen UID:
340456
Concept ID:
C1850049
Congenital Abnormality
Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).
Atrial septal defect
MedGen UID:
6753
Concept ID:
C0018817
Congenital Abnormality
Atrial septal defect (ASD) is a congenital abnormality of the interatrial septum that enables blood flow between the left and right atria via the interatrial septum.
Ventricular septal defect
MedGen UID:
42366
Concept ID:
C0018818
Anatomical Abnormality
Developmental abnormalities in any portion of the VENTRICULAR SEPTUM resulting in abnormal communications between the two lower chambers of the heart. Classification of ventricular septal defects is based on location of the communication, such as perimembranous, inlet, outlet (infundibular), central muscular, marginal muscular, or apical muscular defect.
Situs inversus viscerum
MedGen UID:
52359
Concept ID:
C0037221
Congenital Abnormality
A left-right reversal (or \
Tetralogy of Fallot
MedGen UID:
21498
Concept ID:
C0039685
Congenital Abnormality
Critical congenital heart disease (CCHD) is a term that refers to a group of serious heart defects that are present from birth. These abnormalities result from problems with the formation of one or more parts of the heart during the early stages of embryonic development. CCHD prevents the heart from pumping blood effectively or reduces the amount of oxygen in the blood. As a result, organs and tissues throughout the body do not receive enough oxygen, which can lead to organ damage and life-threatening complications. Individuals with CCHD usually require surgery soon after birth.Although babies with CCHD may appear healthy for the first few hours or days of life, signs and symptoms soon become apparent. These can include an abnormal heart sound during a heartbeat (heart murmur), rapid breathing (tachypnea), low blood pressure (hypotension), low levels of oxygen in the blood (hypoxemia), and a blue or purple tint to the skin caused by a shortage of oxygen (cyanosis). If untreated, CCHD can lead to shock, coma, and death. However, most people with CCHD now survive past infancy due to improvements in early detection, diagnosis, and treatment.Some people with treated CCHD have few related health problems later in life. However, long-term effects of CCHD can include delayed development and reduced stamina during exercise. Adults with these heart defects have an increased risk of abnormal heart rhythms, heart failure, sudden cardiac arrest, stroke, and premature death.Each of the heart defects associated with CCHD affects the flow of blood into, out of, or through the heart. Some of the heart defects involve structures within the heart itself, such as the two lower chambers of the heart (the ventricles) or the valves that control blood flow through the heart. Others affect the structure of the large blood vessels leading into and out of the heart (including the aorta and pulmonary artery). Still others involve a combination of these structural abnormalities.People with CCHD have one or more specific heart defects. The heart defects classified as CCHD include coarctation of the aorta, double-outlet right ventricle, D-transposition of the great arteries, Ebstein anomaly, hypoplastic left heart syndrome, interrupted aortic arch, pulmonary atresia with intact septum, single ventricle, total anomalous pulmonary venous connection, tetralogy of Fallot, tricuspid atresia, and truncus arteriosus.
Short stature
MedGen UID:
87607
Concept ID:
C0349588
Finding
Height greater than two standard deviations below the mean of the appropriate reference population for the age and sex of the individual.
Imperforate anus
MedGen UID:
1997
Concept ID:
C0003466
Congenital Abnormality
A congenital abnormality characterized by the persistence of the anal membrane, resulting in a thin membrane covering the normal ANAL CANAL. Imperforation is not always complete and is treated by surgery in infancy. This defect is often associated with NEURAL TUBE DEFECTS; MENTAL RETARDATION; and DOWN SYNDROME.
Poor suck
MedGen UID:
324693
Concept ID:
C1837142
Finding
An inadequate sucking reflex, resulting in the difficult of newborns to be breast-fed.
Hearing impairment
MedGen UID:
5453
Concept ID:
C0018772
Finding
A decreased magnitude of the sensory perception of sound.
Ear malformation
MedGen UID:
75618
Concept ID:
C0266589
Congenital Abnormality
An abnormality of the ear.
Protruding ear
MedGen UID:
266284
Concept ID:
C1305420
Congenital Abnormality
Angle formed by the plane of the ear and the mastoid bone greater than the 97th centile for age (objective); or, outer edge of the helix more than 2 cm from the mastoid at the point of maximum distance (objective).
Macrotia
MedGen UID:
349900
Concept ID:
C1860838
Finding
Median longitudinal ear length greater than two standard deviations above the mean and median ear width greater than two standard deviations above the mean (objective); or, apparent increase in length and width of the pinna (subjective).
Anxiety
MedGen UID:
1613
Concept ID:
C0003467
Finding
Fear and anxiety are part of life. You may feel anxious before you take a test or walk down a dark street. This kind of anxiety is useful - it can make you more alert or careful. It usually ends soon after you are out of the situation that caused it. But for millions of people in the United States, the anxiety does not go away, and gets worse over time. They may have chest pains or nightmares. They may even be afraid to leave home. These people have anxiety disorders. Types include. -Panic disorder . -Obsessive-compulsive disorder . -Post-traumatic stress disorder . -Phobias . -Generalized anxiety disorder . Treatment can involve medicines, therapy or both. NIH: National Institute of Mental Health .
Seizure Disorders
MedGen UID:
4506
Concept ID:
C0014544
Disease or Syndrome
Epilepsy is a brain disorder that causes people to have recurring seizures. The seizures happen when clusters of nerve cells, or neurons, in the brain send out the wrong signals. People may have strange sensations and emotions or behave strangely. They may have violent muscle spasms or lose consciousness. Epilepsy has many possible causes, including illness, brain injury, and abnormal brain development. In many cases, the cause is unknown. Doctors use brain scans and other tests to diagnose epilepsy. It is important to start treatment right away. There is no cure for epilepsy, but medicines can control seizures for most people. When medicines are not working well, surgery or implanted devices such as vagus nerve stimulators may help. Special diets can help some children with epilepsy. NIH: National Institute of Neurological Disorders and Stroke.
Spasticity
MedGen UID:
7753
Concept ID:
C0026838
Sign or Symptom
A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.
Hyperreflexia
MedGen UID:
57738
Concept ID:
C0151889
Finding
Hyperreflexia is the presence of hyperactive stretch reflexes of the muscles.
Cerebral degeneration
MedGen UID:
56343
Concept ID:
C0154671
Disease or Syndrome
Partial or complete wasting (loss) of brain tissue that was once present.
Microcephaly
MedGen UID:
473122
Concept ID:
C0424688
Finding
Occipito-frontal (head) circumference (OFC) less than -3 standard deviations compared to appropriate, age matched, normal standards (Ross JJ, Frias JL 1977, PMID:9683597). Alternatively, decreased size of the cranium.
Intellectual disability
MedGen UID:
811461
Concept ID:
C3714756
Mental or Behavioral Dysfunction
Subnormal intellectual functioning which originates during the developmental period. This has multiple potential etiologies, including genetic defects and perinatal insults. Intelligence quotient (IQ) scores are commonly used to determine whether an individual has an intellectual disability. IQ scores between 70 and 79 are in the borderline range. Scores below 67 are in the disabled range. (from Joynt, Clinical Neurology, 1992, Ch55, p28)
Decreased testicular size
MedGen UID:
66027
Concept ID:
C0241355
Finding
Reduced volume of the testicle (the male gonad).
Renal hypoplasia
MedGen UID:
120571
Concept ID:
C0266295
Congenital Abnormality
Hypoplasia of the kidney.
Phimosis
MedGen UID:
87496
Concept ID:
C0345326
Congenital Abnormality
The male foreskin cannot be fully retracted from the head of the penis.
Hypospadias
MedGen UID:
305577
Concept ID:
C1691215
Congenital Abnormality
Location of the urethral opening on the inferior aspect of the penis.
Spasticity
MedGen UID:
7753
Concept ID:
C0026838
Sign or Symptom
A motor disorder characterized by a velocity-dependent increase in tonic stretch reflexes with increased muscle tone, exaggerated (hyperexcitable) tendon reflexes.
Joint contracture of the hand
MedGen UID:
56382
Concept ID:
C0158113
Finding
Contractures of one ore more joints of the hands meaning chronic loss of joint motion due to structural changes in non-bony tissue.
Camptodactyly
MedGen UID:
195780
Concept ID:
C0685409
Congenital Abnormality
The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.
Hypernasal voice
MedGen UID:
99115
Concept ID:
C0454555
Finding
A type of speech characterized by the presence of an abnormally increased nasal airflow during speech.
Micrognathia
MedGen UID:
44428
Concept ID:
C0025990
Congenital Abnormality
Developmental hypoplasia of the mandible.
Scoliosis
MedGen UID:
21278
Concept ID:
C0037932
Finding
The presence of an abnormal lateral curvature of the spine.
Joint contracture of the hand
MedGen UID:
56382
Concept ID:
C0158113
Finding
Contractures of one ore more joints of the hands meaning chronic loss of joint motion due to structural changes in non-bony tissue.
Brachycephaly
MedGen UID:
113165
Concept ID:
C0221356
Congenital Abnormality
An abnormality of skull shape characterized by a decreased anterior-posterior diameter. That is, a cephalic index greater than 81%. Alternatively, an apparently shortened anteroposterior dimension (length) of the head compared to width.
Mandibular prognathia
MedGen UID:
98316
Concept ID:
C0399526
Finding
Abnormal prominence of the chin related to increased length of the mandible.
Microcephaly
MedGen UID:
473122
Concept ID:
C0424688
Finding
Occipito-frontal (head) circumference (OFC) less than -3 standard deviations compared to appropriate, age matched, normal standards (Ross JJ, Frias JL 1977, PMID:9683597). Alternatively, decreased size of the cranium.
Camptodactyly
MedGen UID:
195780
Concept ID:
C0685409
Congenital Abnormality
The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.
Clinodactyly of the 5th finger
MedGen UID:
340456
Concept ID:
C1850049
Congenital Abnormality
Clinodactyly refers to a bending or curvature of the fifth finger in the radial direction (i.e., towards the 4th finger).
Malar flattening
MedGen UID:
347616
Concept ID:
C1858085
Anatomical Abnormality
Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.
Pectus excavatum
MedGen UID:
781174
Concept ID:
C2051831
Finding
A defect of the chest wall characterized by a depression of the sternum, giving the chest (\
Abnormality of the rib cage
MedGen UID:
428272
Concept ID:
CN001412
Finding
A morphological anomaly of the rib cage.
Congenital ocular coloboma
MedGen UID:
1046
Concept ID:
C0009363
Congenital Abnormality
Coloboma is an ocular birth defect resulting from abnormal development of the eye during embryogenesis. It is defined as a congenital defect in any ocular tissue, typically presenting as absent tissue or a gap, at a site consistent with aberrant closure of the optic fissure. Failure of fusion can lead to coloboma of one or multiple regions of the inferior portion of the eye affecting any part of the globe traversed by the fissure, from the iris to the optic nerve, including the ciliary body, retina, and choroid. Coloboma is also frequently associated with small (microphthalmic) or absent (anophthalmic) eyes as part of an interrelated spectrum of developmental eye anomalies, and can affect either one or both eyes (summary by Kelberman et al., 2014). Genetic Heterogeneity of Ocular Coloboma A recessive form of ocular coloboma (216820) is caused by mutation in the SALL2 gene (602219) on chromosome 14q11.
Micrognathia
MedGen UID:
44428
Concept ID:
C0025990
Congenital Abnormality
Developmental hypoplasia of the mandible.
Microphthalmos
MedGen UID:
10033
Concept ID:
C0026010
Congenital Abnormality
Microphthalmia is an eye abnormality that arises before birth. In this condition, one or both eyeballs are abnormally small. In some affected individuals, the eyeball may appear to be completely missing; however, even in these cases some remaining eye tissue is generally present. Such severe microphthalmia should be distinguished from another condition called anophthalmia, in which no eyeball forms at all. However, the terms anophthalmia and severe microphthalmia are often used interchangeably. Microphthalmia may or may not result in significant vision loss.People with microphthalmia may also have a condition called coloboma. Colobomas are missing pieces of tissue in structures that form the eye. They may appear as notches or gaps in the colored part of the eye called the iris; the retina, which is the specialized light-sensitive tissue that lines the back of the eye; the blood vessel layer under the retina called the choroid; or in the optic nerves, which carry information from the eyes to the brain. Colobomas may be present in one or both eyes and, depending on their size and location, can affect a person's vision.People with microphthalmia may also have other eye abnormalities, including clouding of the lens of the eye (cataract) and a narrowed opening of the eye (narrowed palpebral fissure). Additionally, affected individuals may have an abnormality called microcornea, in which the clear front covering of the eye (cornea) is small and abnormally curved.Between one-third and one-half of affected individuals have microphthalmia as part of a syndrome that affects other organs and tissues in the body. These forms of the condition are described as syndromic. When microphthalmia occurs by itself, it is described as nonsyndromic or isolated.
Narrow mouth
MedGen UID:
44435
Concept ID:
C0026034
Congenital Abnormality
A congenital defect in which the mouth is unusually small. (Dorland, 27th ed)
Brachycephaly
MedGen UID:
113165
Concept ID:
C0221356
Congenital Abnormality
An abnormality of skull shape characterized by a decreased anterior-posterior diameter. That is, a cephalic index greater than 81%. Alternatively, an apparently shortened anteroposterior dimension (length) of the head compared to width.
High palate
MedGen UID:
66814
Concept ID:
C0240635
Congenital Abnormality
Height of the palate more than 2 SD above the mean (objective) or palatal height at the level of the first permanent molar more than twice the height of the teeth (subjective).
Mandibular prognathia
MedGen UID:
98316
Concept ID:
C0399526
Finding
Abnormal prominence of the chin related to increased length of the mandible.
Upslanted palpebral fissure
MedGen UID:
98390
Concept ID:
C0423109
Finding
The palpebral fissure inclination is more than two standard deviations above the mean for age (objective); or, the inclination of the palpebral fissure is greater than typical for age.
Microcephaly
MedGen UID:
473122
Concept ID:
C0424688
Finding
Occipito-frontal (head) circumference (OFC) less than -3 standard deviations compared to appropriate, age matched, normal standards (Ross JJ, Frias JL 1977, PMID:9683597). Alternatively, decreased size of the cranium.
Epicanthus
MedGen UID:
151862
Concept ID:
C0678230
Congenital Abnormality
Epicanthus is a condition in which a fold of skin stretches from the upper to the lower eyelid, partially covering the inner canthus. Usher (1935) noted that epicanthus is a normal finding in the fetus of all races. Epicanthus also occurs in association with hereditary ptosis (110100).
Triangular face
MedGen UID:
324383
Concept ID:
C1835884
Finding
Facial contour, as viewed from the front, triangular in shape, with breadth at the temples and tapering to a narrow chin.
Long face
MedGen UID:
324419
Concept ID:
C1836047
Finding
Facial height (length) is more than 2 standard deviations above the mean (objective); or, an apparent increase in the height (length) of the face (subjective).
Narrow face
MedGen UID:
338616
Concept ID:
C1849121
Finding
Bizygomatic (upper face) and bigonial (lower face) width are both more than 2 standard deviations below the mean (objective); or, an apparent reduction in the width of the upper and lower face (subjective).
Wide nasal bridge
MedGen UID:
341441
Concept ID:
C1849367
Finding
Increased breadth of the nasal bridge (and with it, the nasal root).
Bulbous nasal tip
MedGen UID:
383762
Concept ID:
C1855751
Finding
Increased volume and globular shape of the anteroinferior aspect of the nose.
Sparse lateral eyebrow
MedGen UID:
387768
Concept ID:
C1857206
Finding
Decreased density/number and/or decreased diameter of lateral eyebrow hairs.
Malar flattening
MedGen UID:
347616
Concept ID:
C1858085
Anatomical Abnormality
Underdevelopment of the malar prominence of the jugal bone (zygomatic bone in mammals), appreciated in profile, frontal view, and/or by palpation.
Short philtrum
MedGen UID:
350006
Concept ID:
C1861324
Finding
Distance between nasal base and midline upper lip vermilion border more than 2 SD below the mean. Alternatively, an apparently decreased distance between nasal base and midline upper lip vermilion border.
Thin upper lip vermilion
MedGen UID:
355352
Concept ID:
C1865017
Finding
Height of the vermilion of the upper lip in the midline more than 2 SD below the mean. Alternatively, an apparently reduced height of the vermilion of the upper lip in the frontal view (subjective).
Cleft secondary 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).
Joint contracture of the hand
MedGen UID:
56382
Concept ID:
C0158113
Finding
Contractures of one ore more joints of the hands meaning chronic loss of joint motion due to structural changes in non-bony tissue.
Camptodactyly
MedGen UID:
195780
Concept ID:
C0685409
Congenital Abnormality
The distal interphalangeal joint and/or the proximal interphalangeal joint of the fingers or toes cannot be extended to 180 degrees by either active or passive extension.
Sparse lateral eyebrow
MedGen UID:
387768
Concept ID:
C1857206
Finding
Decreased density/number and/or decreased diameter of lateral eyebrow hairs.
Thin, sparse hair
MedGen UID:
349904
Concept ID:
C1860844
Sign or Symptom
Reduced density of hairs.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVRenpenning syndrome 1
Follow this link to review classifications for Renpenning syndrome 1 in Orphanet.

Recent clinical studies

Etiology

Zhang XY, Qi J, Shen YQ, Liu X, Liu A, Zhou Z, Han J, Zhang ZC
Hum Mol Genet 2017 Mar 1;26(5):955-968. doi: 10.1093/hmg/ddx010. PMID: 28073926

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