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Abruzzo-Erickson syndrome(ABERS)

MedGen UID:
375529
Concept ID:
C1844862
Disease or Syndrome
Synonym: CHARGE like syndrome X-linked
SNOMED CT: Abruzzo Erickson syndrome (718574003); CHARGE-like syndrome (718574003); Cleft palate with coloboma of eye and deafness syndrome (718574003)
Modes of inheritance:
X-linked recessive inheritance
MedGen UID:
375779
Concept ID:
C1845977
Finding
Source: 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.
 
Gene (location): TBX22 (Xq21.1)
 
Monarch Initiative: MONDO:0010554
OMIM®: 302905
Orphanet: ORPHA921

Definition

A multiple congenital anomalies syndrome with manifestations of cleft palate, ocular coloboma, hypospadias, mixed conductive-sensorineural hearing loss, short stature and radio-ulnar synostosis. To date, 4 cases have been described in the literature. These manifestations overlap with those of CHARGE syndrome, however, in contrast to CHARGE syndrome, patients with Abruzzo-Erikson syndrome do not show intellectual disability, choanal atresia or genital hypoplasia. Inherited in an X-linked recessive manner, with a carrier female having a 50% chance of transmitting the mutation to her offspring. [from SNOMEDCT_US]

Clinical features

From HPO
Hypospadias
MedGen UID:
163083
Concept ID:
C0848558
Congenital Abnormality
Abnormal position of urethral meatus on the ventral penile shaft (underside) characterized by displacement of the urethral meatus from the tip of the glans penis to the ventral surface of the penis, scrotum, or perineum.
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).
Macrotia
MedGen UID:
488785
Concept ID:
C0152421
Congenital Abnormality
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).
Hearing impairment
MedGen UID:
235586
Concept ID:
C1384666
Disease or Syndrome
A decreased magnitude of the sensory perception of sound.
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).
Radioulnar synostosis
MedGen UID:
57861
Concept ID:
C0158761
Congenital Abnormality
An abnormal osseous union (fusion) between the radius and the ulna.
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).
Congenital ocular coloboma
MedGen UID:
1046
Concept ID:
C0009363
Congenital Abnormality
Coloboma is an eye abnormality that occurs before birth. Colobomas are missing pieces of tissue in structures that form the eye. They may appear as notches or gaps in one of several parts of the eye, including 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 the optic nerves, which carry information from the eyes to the brain.\n\nColobomas may be present in one or both eyes and, depending on their size and location, can affect a person's vision. Colobomas affecting the iris, which result in a "keyhole" appearance of the pupil, generally do not lead to vision loss. Colobomas involving the retina result in vision loss in specific parts of the visual field. Large retinal colobomas or those affecting the optic nerve can cause low vision, which means vision loss that cannot be completely corrected with glasses or contact lenses.\n\nSome people with coloboma also have a condition called microphthalmia. 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.\n\nPeople with coloboma may also have other eye abnormalities, including clouding of the lens of the eye (cataract), increased pressure inside the eye (glaucoma) that can damage the optic nerve, vision problems such as nearsightedness (myopia), involuntary back-and-forth eye movements (nystagmus), or separation of the retina from the back of the eye (retinal detachment).\n\nSome individuals have coloboma as part of a syndrome that affects other organs and tissues in the body. These forms of the condition are described as syndromic. When coloboma occurs by itself, it is described as nonsyndromic or isolated.\n\nColobomas involving the eyeball should be distinguished from gaps that occur in the eyelids. While these eyelid gaps are also called colobomas, they arise from abnormalities in different structures during early development.

Term Hierarchy

CClinical test,  RResearch test,  OOMIM,  GGeneReviews,  VClinVar  
  • CROGVAbruzzo-Erickson syndrome
Follow this link to review classifications for Abruzzo-Erickson syndrome in Orphanet.

Recent clinical studies

Diagnosis

Kidner G, Taylor J, Patton MA, Taylor N
Cleft Palate Craniofac J 2004 Sep;41(5):565-7. doi: 10.1597/01-096.1. PMID: 15352866

Prognosis

Pauws E, Peskett E, Boissin C, Hoshino A, Mengrelis K, Carta E, Abruzzo MA, Lees M, Moore GE, Erickson RP, Stanier P
Clin Genet 2013 Apr;83(4):352-8. Epub 2012 Aug 7 doi: 10.1111/j.1399-0004.2012.01930.x. PMID: 22784330

Clinical prediction guides

Pauws E, Peskett E, Boissin C, Hoshino A, Mengrelis K, Carta E, Abruzzo MA, Lees M, Moore GE, Erickson RP, Stanier P
Clin Genet 2013 Apr;83(4):352-8. Epub 2012 Aug 7 doi: 10.1111/j.1399-0004.2012.01930.x. PMID: 22784330

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