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A congenital hypothyroidism that has material basis in heterozygous mutation in the PAX8 gene on chromosome 2q13.
Features include always present findings: Elevated circulating thyroid-stimulating hormone concentration and Hypothyroidism; and very common findings: Decreased circulating T4 concentration and Thyroid hypoplasia. 25 total HPO annotations.
Organ System | Phenotype Count | Example Features |
|---|---|---|
Hormones | 6 | Thyroid hypoplasia, Thyroid agenesis, Ectopic thyroid |
Lab test results | 3 | Increased circulating thyroglobulin concentration, Hyperbilirubinemia, Elevated circulating thyroid-stimulating hormone concentration |
Digestive system | 3 | Abdominal distention, Feeding difficulties in infancy, Constipation |
Muscles | 1 | Low muscle tone (hypotonia) |
Skin | 1 | Dry skin |
Pregnancy and birth | 1 | Congenital hypothyroidism |
Heart and blood vessels | 1 | Bradycardia |
Bones and joints | 1 | Delayed skeletal maturation |
Growth and development | 1 | Growth delay |
PAX8 function has not been fully characterized.
Hypothyroidism, congenital, nongoitrous, 2 is associated with mutations in the PAX8 gene on chromosome 2.
Genetic testing for PAX8 is available. Testing is considered confirmatory for diagnosis.
Biomarker and diagnostic research for hypothyroidism, congenital, nongoitrous, 2 has been reported in the published literature.
Phenotype severity distribution: 2 always present features, 2 very common features, 1 common feature.
No clinical trials have been registered for hypothyroidism, congenital, nongoitrous, 2.
181 publications have been identified in PubMed for hypothyroidism, congenital, nongoitrous, 2. Research spans Review / Meta-Analysis (28%), Basic Science / Preclinical (21%), and Case Report / Case Series (20%).
Research Type | Count | % of Total |
|---|---|---|
Research summaries | 51 | 28% |
Laboratory research | 38 | 21% |
Patient case studies | 36 | 20% |
Disease patterns and progression | 23 | 13% |
Clinical study results | 18 | 10% |
Testing and diagnosis research | 7 | 4% |
New treatment approaches | 5 | 3% |
Other research | 3 | 2% |
Khatri A (2026). [PMID: 41611636](https://pubmed.ncbi.nlm.nih.gov/41611636/). *Clin Endocrinol (Oxf)*. [Basic Science / Preclinical]
Ma D (2026). [PMID: 42091195](https://pubmed.ncbi.nlm.nih.gov/42091195/). *Zhonghua Yi Xue Yi Chuan Xue Za Zhi*. [Review / Meta-Analysis]
Rajiah PS (2026). [PMID: 41886301](https://pubmed.ncbi.nlm.nih.gov/41886301/). *Radiographics*. [Review / Meta-Analysis]
McHugh A (2026). [PMID: 41689623](https://pubmed.ncbi.nlm.nih.gov/41689623/). *Irish journal of medical science*. [Epidemiology / Natural History]
Portela Carvalho C (2026). [PMID: 41525162](https://pubmed.ncbi.nlm.nih.gov/41525162/). *Acta Med Port*. [Review / Meta-Analysis]
Bonardi CM (2026). [PMID: 41530147](https://pubmed.ncbi.nlm.nih.gov/41530147/). *Nat Commun*. [Basic Science / Preclinical]
Pham B (2026). [PMID: 41785017](https://pubmed.ncbi.nlm.nih.gov/41785017/). *Am J Physiol Lung Cell Mol Physiol*. [Basic Science / Preclinical]
Sasso E (2026). [PMID: 41691276](https://pubmed.ncbi.nlm.nih.gov/41691276/). *Int Breastfeed J*. [Case Report / Case Series]
Hwang S (2026). [PMID: 41152456](https://pubmed.ncbi.nlm.nih.gov/41152456/). *J Hum Genet*. [Basic Science / Preclinical]
Murotani T (2026). [PMID: 40388645](https://pubmed.ncbi.nlm.nih.gov/40388645/). *Cleft Palate Craniofac J*. [Case Report / Case Series]
Data assembled from 5 of 12 sources · Last updated Sep 20, 2026, 1:01 AM UTC
Online Mendelian Inheritance in Man