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Features include always present findings: Failure to thrive, Global developmental delay, High forehead, and Growth delay and others; and very common findings: Wide anterior fontanel, Low muscle tone (hypotonia), Micrognathia, and Low-set ears. 34 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Growth and development | 3 | Failure to thrive, Postnatal growth retardation, Growth delay |
Biomarker and diagnostic research for chromosome 16q22 deletion syndrome has been reported in the published literature.
Phenotype severity distribution: 5 always present features, 4 very common features, 10 common features.
No clinical trials have been registered for chromosome 16q22 deletion syndrome.
5 publications have been identified in PubMed for chromosome 16q22 deletion syndrome. Research spans Case Report / Case Series (40%), Other (20%), and Diagnostic / Biomarker (20%).
Doğan Arı AB (2026). [PMID: 42230379](https://pubmed.ncbi.nlm.nih.gov/42230379/). *Eur J Pediatr*. [Other]
Tamaru H (2025). [PMID: 41317128](https://pubmed.ncbi.nlm.nih.gov/41317128/). *Congenital anomalies*. [Case Report / Case Series]
Ballesta-Alcaraz L (2025). [PMID: 40565225](https://pubmed.ncbi.nlm.nih.gov/40565225/). *International journal of molecular sciences*. [Diagnostic / Biomarker]
Pagnamenta AT (2025). [PMID: 39894570](https://pubmed.ncbi.nlm.nih.gov/39894570/). *Clinical genetics*. [Basic Science / Preclinical]
He G (2024). [PMID: 38645979](https://pubmed.ncbi.nlm.nih.gov/38645979/). *International journal of women's health*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 6:52 AM UTC
Online Mendelian Inheritance in Man
European rare disease database
Head and neck |
2 |
High palate, Microcephaly |
Brain and nerves | 2 | Global developmental delay, Depressed nasal bridge |
Muscles | 1 | Low muscle tone (hypotonia) |
Ears | 1 | Inner ear hearing loss (sensorineural hearing impairment) |
Bones and joints | 1 | Wormian bones |