15q overgrowth syndrome

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15q Overgrowth Syndrome is a rare genetic disorder characterized by overgrowth and other physical anomalies. This condition is caused by abnormalities in the chromosomal region 15q, which plays a significant role in growth and development. Patients with 15q overgrowth syndrome may exhibit a wide range of symptoms, including accelerated growth, advanced bone age, intellectual disability, and distinctive facial features. The syndrome is part of a group of disorders known as chromosomal overgrowth syndromes, which also includes conditions such as Beckwith-Wiedemann Syndrome and Sotos Syndrome.

Causes[edit | edit source]

15q overgrowth syndrome is caused by genetic changes in the 15q chromosome region. These changes can include duplications or other structural alterations of the chromosome. The specific genetic mechanisms that lead to the syndrome are complex and involve the dysregulation of genes that control growth and development.

Symptoms[edit | edit source]

The symptoms of 15q overgrowth syndrome can vary significantly among individuals but commonly include:

  • Accelerated growth and increased height
  • Advanced bone age
  • Intellectual disability or developmental delays
  • Distinctive facial features, such as a prominent forehead, deep-set eyes, and a small chin
  • Other physical anomalies, such as large hands and feet

Diagnosis[edit | edit source]

Diagnosis of 15q overgrowth syndrome typically involves a combination of physical examination, review of medical history, and genetic testing. Chromosomal analysis can identify duplications or other abnormalities in the 15q region, confirming the diagnosis.

Treatment[edit | edit source]

There is no cure for 15q overgrowth syndrome, and treatment focuses on managing symptoms and supporting the individual's development. This may include educational support, physical therapy, and interventions to address specific physical or medical issues. Regular monitoring by a team of healthcare professionals is essential to address any emerging health concerns.

Prognosis[edit | edit source]

The prognosis for individuals with 15q overgrowth syndrome varies depending on the severity of symptoms and the presence of associated health issues. With appropriate support and management, many individuals can lead fulfilling lives.

See Also[edit | edit source]


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Contributors: Prab R. Tumpati, MD