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Trichorhinophalangeal syndrome, type III(TRPS3)

MedGen UID:
349899
Concept ID:
C1860823
Disease or Syndrome
Synonyms: Sugio-Kajii Syndrome; Trichorhinophalangeal syndrome type 3; TRPS 3; TRPS3
 
Gene (location): TRPS1 (8q23.3)
 
Monarch Initiative: MONDO:0008597
OMIM®: 190351

Definition

Trichorhinophalangeal syndrome (TRPS) is characterized by craniofacial and skeletal abnormalities. Craniofacial features include sparse, slowly growing scalp hair, laterally sparse eyebrows, a bulbous tip of the nose, protruding ears, long flat philtrum, and thin upper vermillion border. The most typical radiographic findings in TRPS are cone-shaped epiphyses, predominantly at the middle phalanges. Hip malformations such as coxa plana, coxa magna, or coxa vara are present in over 70% of patients. In older patients, the hip abnormalities resemble degenerative arthrosis. TRPS3 differs from TRPS1 by the presence of severe brachydactyly, due to short metacarpals, and severe short stature (summary by Ludecke et al., 2001). [from OMIM]

Clinical features

From HPO
Brachydactyly
MedGen UID:
67454
Concept ID:
C0221357
Congenital Abnormality
Digits that appear disproportionately short compared to the hand/foot. The word brachydactyly is used here to describe a series distinct patterns of shortened digits (brachydactyly types A-E). This is the sense used here.
Short phalanx of finger
MedGen UID:
163753
Concept ID:
C0877165
Finding
Short (hypoplastic) phalanx of finger, affecting one or more phalanges.
Short metacarpal
MedGen UID:
323064
Concept ID:
C1837084
Anatomical Abnormality
Diminished length of one or more metacarpal bones in relation to the others of the same hand or to the contralateral metacarpal.
Short palm
MedGen UID:
334684
Concept ID:
C1843108
Finding
Short palm.
Short finger
MedGen UID:
334977
Concept ID:
C1844548
Anatomical Abnormality
Abnormally short finger associated with developmental hypoplasia.
Short foot
MedGen UID:
376415
Concept ID:
C1848673
Finding
A measured foot length that is more than 2 SD below the mean for a newborn of 27 - 41 weeks gestation, or foot that is less than the 3rd centile for individuals from birth to 16 years of age (objective). Alternatively, a foot that appears disproportionately short (subjective).
Short metatarsal
MedGen UID:
341358
Concept ID:
C1849020
Finding
Diminished length of a metatarsal bone, with resultant proximal displacement of the associated toe.
Cone-shaped epiphyses of the middle phalanges of the hand
MedGen UID:
348715
Concept ID:
C1860828
Finding
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).
Protruding ear
MedGen UID:
343309
Concept ID:
C1855285
Finding
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).
Abnormality of the nervous system
MedGen UID:
105425
Concept ID:
C0497552
Congenital Abnormality
An abnormality of the nervous system.
Intellectual disability
MedGen UID:
811461
Concept ID:
C3714756
Mental or Behavioral Dysfunction
Intellectual disability, previously referred to as mental retardation, is characterized by subnormal intellectual functioning that occurs during the developmental period. It is defined by an IQ score below 70.
Legg-Calve-Perthes disease
MedGen UID:
6035
Concept ID:
C0023234
Disease or Syndrome
Legg-Calve-Perthes disease (LCPD) is characterized by loss of circulation to the femoral head, resulting in avascular necrosis in a growing child. Clinical pictures of the disease vary, depending on the phase of disease progression through ischemia, revascularization, fracture and collapse, and repair and remodeling of the bone. The disease occurs more frequently in boys, and most patients tend to be shorter than their peers. Both familial and isolated cases of LCPD have been reported (summary by Chen et al., 2004).
Osteopenia
MedGen UID:
18222
Concept ID:
C0029453
Disease or Syndrome
Osteopenia is a term to define bone density that is not normal but also not as low as osteoporosis. By definition from the World Health Organization osteopenia is defined by bone densitometry as a T score -1 to -2.5.
Scoliosis
MedGen UID:
11348
Concept ID:
C0036439
Disease or Syndrome
The presence of an abnormal lateral curvature of the spine.
Delayed skeletal maturation
MedGen UID:
108148
Concept ID:
C0541764
Finding
A decreased rate of skeletal maturation. Delayed skeletal maturation can be diagnosed on the basis of an estimation of the bone age from radiographs of specific bones in the human body.
Accelerated bone age after puberty
MedGen UID:
348195
Concept ID:
C1860825
Finding
Coxa magna
MedGen UID:
395992
Concept ID:
C1860826
Disease or Syndrome
Widening of the femoral head and neck.
Dental crowding
MedGen UID:
11850
Concept ID:
C0040433
Finding
Changes in alignment of teeth in the dental arch
Teeth, supernumerary
MedGen UID:
21210
Concept ID:
C0040457
Anatomical Abnormality
The presence of one or more teeth additional to the normal number.
Bulbous nose
MedGen UID:
66013
Concept ID:
C0240543
Finding
Increased volume and globular shape of the anteroinferior aspect of the nose.
Smooth philtrum
MedGen UID:
222980
Concept ID:
C1142533
Finding
Flat skin surface, with no ridge formation in the central region of the upper lip between the nasal base and upper vermilion border.
Underdeveloped nasal alae
MedGen UID:
322332
Concept ID:
C1834055
Congenital Abnormality
Thinned, deficient, or excessively arched ala nasi.
Pear-shaped nose
MedGen UID:
377912
Concept ID:
C1853482
Finding
Sparse lateral eyebrow
MedGen UID:
387768
Concept ID:
C1857206
Finding
Decreased density/number and/or decreased diameter of lateral eyebrow hairs.
Long philtrum
MedGen UID:
351278
Concept ID:
C1865014
Finding
Distance between nasal base and midline upper lip vermilion border more than 2 SD above the mean. Alternatively, an apparently increased 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).
Fine hair
MedGen UID:
98401
Concept ID:
C0423867
Finding
Hair that is fine or thin to the touch.
Epidermal hyperkeratosis
MedGen UID:
338541
Concept ID:
C1848773
Finding
Sparse hair
MedGen UID:
1790211
Concept ID:
C5551005
Finding
Reduced density of hairs.

Recent clinical studies

Diagnosis

Ullah A, Umair M, Hussain S, Jan A, Ahmad W
Pediatr Int 2018 Mar;60(3):304-306. Epub 2018 Feb 13 doi: 10.1111/ped.13473. PMID: 29436063
Vilain C, Sznajer Y, Rypens F, Désir D, Abramowicz MJ
Am J Med Genet 1999 Aug 27;85(5):495-7. PMID: 10405449
Itin PH, Bohn S, Mathys D, Guggenheim R, Richard G
Dermatology 1996;193(4):349-52. doi: 10.1159/000246290. PMID: 8993967

Clinical prediction guides

Vilain C, Sznajer Y, Rypens F, Désir D, Abramowicz MJ
Am J Med Genet 1999 Aug 27;85(5):495-7. PMID: 10405449

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