What is 22q11.2 Deletion Syndrome?

22q11.2 deletion syndrome, is a rare disorder that is caused by a deletion in chromosome 22 located specifically in the middle of the chromosome in the area referred to as 22q11.2. This syndromes affects 1 out of 4000 people and signs and symptoms include, developmental delays, poor muscle tone, learning development, feeding issues and hearing loss.

Similar Names

  • Cayer Cardiofacial Syndrome
  • Conotruncal Anomaly Face Syndrome(CTAF)
  • DiGeorge Syndrome (DGS)
  • Microdeletion 22q11.2
  • Monosomy 22q.11
  • Opitz G/BBB Syndrome
  • Sedlackova Syndrome
  • Shprintzen Syndrome
  • Takao Syndrome
  • Velo-Cardio-Facial Syndrome (VCFS)

History

  • 1955- First appear in medical literature by Dr. Eva Sedlackova who described a number of cases of children with hypernasal speech and reduced facial animations.
  • 1965- Dr. Angelo DiGeorge described congenital absence of the thymus gland in 4 patients.
  • 1968- Dr William Strong reported an association of cardiac abnormalities.
  • 1981- Dr. Shimizu of Japan noticed similarities between patients diagnosed with CTAF and DiGeorge Syndrome
  • 1982- Dr’s Richard Kelley, Elaine Zacker and Beverly Emanuel at the Children’s Hospital in Philadelphia discovered that some patients had a rearrangement of chromosome 22 thus causing a piece of the long arm (q11.2) to be missing

Associated Conditions

  • cardiac anomalies
  • cleft palate
  • kidney abnormalities
  • language delays
  • learning challenges
  • developmental delays
  • feeding disorders
  • autism
  • ADHD
Learning Challenges Include:
  • Poor Working and short term memory
  • Difficulty with math reasoning
  • Difficulty with reading comprehension
  • Fine motor and perceptional skills

Instructional Teaching Strategies:

Attention Skills Strategies

Spring Fine Motor Activities

Updated 1/7/2021

 

 

Leave a Reply