Quantitative assessment of craniofacial morphology in Johanson-Blizzard syndrome
Shriver Center; Intellectual and Developmental Disabilities Research Center
Medical Subject Headings
Anus, Imperforate; Ectodermal Dysplasia; Growth Disorders; Hearing Loss, Sensorineural; Hypothyroidism; Intellectual Disability; Nose; Pancreatic Diseases
Congenital, Hereditary, and Neonatal Diseases and Abnormalities | Genetics and Genomics
BACKGROUND: Here we apply objective, reliable methods of dysmorphology diagnosis to a patient with Johanson-Blizzard syndrome (MIM #243800). Using an extensive normative database, we computed standardized scores on a graded continuum for operational definitions of nasal alar hypoplasia, a commonly observed feature of this condition.
CASE: Most of these measurements in this case were greater than 2 standard deviations below the mean, adjusted for age, gender, and ethnicity.
CONCLUSION: This report provides a worked example of quantitative anthropometric assessment in the context of a case report, using tools that may find general application in clinical genetics.
Rights and Permissions
Citation: Deutsch CK, Hreczko T, Holmes LB. Quantitative assessment of craniofacial morphology in Johanson-Blizzard syndrome. Birth Defects Res A Clin Mol Teratol. 2013 Mar;97(3):166-9. doi: 10.1002/bdra.23121. Epub 2013 Mar 6. PubMed PMID: 23463671; PubMed Central PMCID: PMC3656659. Link to article on publisher's site
Johanson-Blizzard syndrome, autosomal recessive, UBR1 mutations, anthropometry, craniofacial dysmorphology
Deutsch, Curtis K.; Hreczko, Tania; and Holmes, Lewis B., "Quantitative assessment of craniofacial morphology in Johanson-Blizzard syndrome" (2013). University of Massachusetts Medical School Faculty Publications. 152.