Table 3.

Recommended Evaluations Following Initial Diagnosis in Individuals with HIST1H1E Syndrome

System/ConcernEvaluationComment
Development Developmental assessmentTo incl:
  • Motor, adaptive, cognitive, & speech-language eval
  • Eval for early intervention / special education
Behavior Neuropsychiatric evalFor persons age >12 mos: evaluate for behavior concerns incl sleep disturbances, ADHD, anxiety, &/or findings suggestive of ASD.
Neurologic Neurologic eval
  • EEG if seizures are a concern
  • Consider brain MRI if there are focal neurologic findings.
Genitourinary Examine males for cryptorchidism.If present, referral to pediatric urologist.
Cardiovascular EchocardiogramTo evaluate for structural cardiac anomalies
Endocrine TSH & T4To evaluate for hypothyroidism
Skeletal
abnormalities
Assessment of head shape & for sutural ridging in infantsIf abnormal, consider head CT w/3D reconstruction to assess for craniosynostosis.
Physical exam to assess for evidence of scoliosisConsider spine radiographs if scoliosis is evident on physical exam.
Inquire about history of fractures.Consider referral to orthopedic specialist to evaluate bone mineral density in those w/frequent or unexplained fracture(s).
Abnormal
dentition
Dental eval to assess for caries, evidence of thin enamel, hypodontiaPanorex may be considered if hypodontia is suspected
Eyes Ophthalmology evalTo assess for strabismus, refractive error
Genetic
counseling
By genetics professionals 1To inform persons & their families re nature, MOI, & implications of HIST1H1E syndrome to facilitate medical & personal decision making
Family support
& resources
Assess need for:

3D = 3-dimensional; ADHD = attention-deficit/hyperactivity disorder; ASD = autism spectrum disorder; MOI = mode of inheritance; TSH = thyroid-stimulating hormone

1.

Medical geneticist, certified genetic counselor, certified advanced genetic nurse

From: HIST1H1E Syndrome

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