What is Wolf Hirschhorn Syndrome?

Wolf-Hirschhorn syndrome is a condition that affects many parts of the body. The major features of this disorder include a characteristic facial appearance, delayed growth and development, intellectual disability, and seizures.

What is the life expectancy of a person with Wolf-Hirschhorn syndrome?

The median survival time for de novo deletions was 34+ years while for translocation cases it was 18+ years. CONCLUSIONS—The mortality rate is lower than previously reported.

What are the symptoms of Wolf-Hirschhorn syndrome?

Summary. Wolf-Hirschhorn syndrome (WHS) is a genetic disorder that affects many parts of the body. The major features include a characteristic facial appearance, delayed growth and development, intellectual disability, low muscle tone (hypotonia), and seizures.

What is the treatment for Wolf-Hirschhorn syndrome?

All patients benefit from comprehensive developmental and rehabilitation support including: feeding therapy, assistive communication, speech, physical therapy, occupational therapy, and school support. Genetic counseling is recommended for families of children with Wolf-Hirschhorn syndrome.

Can someone with Wolf-Hirschhorn syndrome have kids?

It usually doesn't cause any symptoms in that parent since the chromosomes are still balanced. But it raises the odds that person will have a child with a chromosomal disorder, including Wolf- Hirschhorn.

Wolf-Hirschhorn Syndrome

Who is the oldest person with Wolf-Hirschhorn syndrome?

Abstract. Clinical and cytogenetic studies are reported on 13 patients with Wolf-Hirschhorn syndrome. The oldest of the living twelve probands is 24 years of age.

What does Wolf-Hirschhorn look like?

The major features of this disorder include a characteristic facial appearance, delayed growth and development, intellectual disability, and seizures. Almost everyone with this disorder has distinctive facial features, including a broad, flat nasal bridge and a high forehead.

Is Wolf-Hirschhorn syndrome detectable before birth?

Prenatal diagnosis of WHS is usually confirmed by detection of a cytogenetically visible 4p- deletion discovered after invasive testing performed because of advanced maternal age, severe IUGR (which is the most frequent ultrasound finding, associated or not with other fetal abnormalities), or known parental balanced ...

Is Wolf-Hirschhorn syndrome a genetic disease?

Summary. Wolf-Hirschhorn syndrome (WHS) is a genetic disorder that affects many parts of the body. The major features include a characteristic facial appearance, delayed growth and development, intellectual disability, low muscle tone (hypotonia), and seizures.

How was Wolf-Hirschhorn syndrome named?

The syndrome is named for the American Kurt Hirschhorn and German U. Wolf who independently found the 4p- chromosome abnormality in the 1960s.

Are there prenatal tests for Wolf-Hirschhorn syndrome?

Noninvasive prenatal testing (NIPT) is one very promising screening tool for WHS. SNP array can improve diagnostic precision for detecting WHS, especially for the cryptic aberrations that cannot be identified by the traditional karyotyping.

What is the rarest chromosomal disorder?

Chromosome 18q- syndrome (also known as Chromosome 18, Monosomy 18q) is a rare chromosomal disorder in which there is deletion of part of the long arm (q) of chromosome 18. Associated symptoms and findings may vary greatly in range and severity from case to case.

How was Wolf-Hirschhorn syndrome discovered?

The syndrome was first defined in 1961 by Herbert L. Cooper and Kurt Hirschhorn who described a child with a distinct facial appearance. Subsequent genetic studies revealed the chromosomal deletion. In 1965, the syndrome was published in reports by Wolf and Hirschhorn.

What does chromosome 4 do in the body?

Chromosome 4 likely contains 1,000 to 1,100 genes that provide instructions for making proteins. These proteins perform a variety of different roles in the body.

Who discovered Wolf Hirschhorn?

Wolf-Hirshhorn syndrome (WHS) is a well-known chromosomal disorder first described by Cooper and Hirschhorn in 1961. It is attributable to partial loss of material from the short arm of chromosome 4, with the majority of cases (87%) being de novo deletions,² of preferential paternal origin.

What is on the 4th chromosome?

Some of the genes that are located on chromosome 4 include: ANK2 (codes for neuronal ankyrin 2) CRMP1 (codes for Collapsin response mediator protein 1) CXCL1 to 13 (codes for the chemokines, Platelet factor-4, interleukin 8 etc.)

What happens when you are missing chromosome 4?

Major symptoms include very wide-set eyes (ocular hypertelorism) with a broad or beaked nose, a small head (microcephaly), low-set malformed ears, mental and growth deficiency, heart (cardiac) defects, and seizures.

Which trisomy is fatal?

For example, trisomy 21, or Down syndrome, occurs when a baby has three #21 chromosomes. Other examples are trisomy 18 and trisomy 13, fatal genetic birth disorders. Trisomy 18 occurs in about one out of every 6,000 to 8,000 live births and trisomy 13 occurs in about one out of every 8,000 to 12,000 live births.

What are 5 genetic diseases?

What are common genetic disorders?

• Down syndrome (Trisomy 21).
• FragileX syndrome.
• Klinefelter syndrome.
• Triple-X syndrome.
• Turner syndrome.
• Trisomy 18.
• Trisomy 13.

What is a carp shaped mouth?

(kahrp mowth) A mouth like that of the carp, with downturning of the corners; observed in Cornelia de Lange syndrome and Silver-Russell dwarfism.

When can Wolf-Hirschhorn syndrome be detected?

Background. Wolf-Hirschhorn syndrome is caused by distal deletion of the short arm of chromosome 4 (4p-). We report a case in which intrauterine growth restriction, hypospadias and foot deformity were detected by prenatal ultrasound examination at 29 weeks of gestation.

What happens if you are missing a chromosome?

But if meiosis doesn't happen normally, a baby may have an extra chromosome (trisomy), or have a missing chromosome (monosomy). These problems can cause pregnancy loss. Or they can cause health problems in a child. A woman age 35 years or older is at higher risk of having a baby with a chromosomal abnormality.

What kind of disability is Down syndrome?

Down syndrome is a chromosomal condition that is associated with intellectual disability, a characteristic facial appearance, and weak muscle tone (hypotonia) in infancy. All affected individuals experience cognitive delays, but the intellectual disability is usually mild to moderate.

Is Down syndrome caused by the mother or father?

Human cells normally contain 23 pairs of chromosomes. One chromosome in each pair comes from your father, the other from your mother. Down syndrome results when abnormal cell division involving chromosome 21 occurs.