Table 5.

Recommended Evaluations Following Initial Diagnosis in Individuals with 22q11.2 Deletion Syndrome

System/ConcernEvaluationComment
Cardiology Eval by cardiologist incl chest radiograph, EKG, & echocardiogramChest MRI may be required if a vascular ring is suspected.
ENT
  • Clinical eval of the palate
  • Consider assessment of carotid arteries prior to surgical procedures involving the pharynx.
  • Consider effects on speech prior to adenoidectomy.
  • To screen for palatal anomalies that may affect feeding & speech development
  • Consider pre- & postoperative sleep studies when performing pharyngeal procedures.
Gastroenterology Assessment for feeding problems (e.g., gastroesophageal reflux, difficulty w/sucking/swallowing, advancing feeds, addition of textured foods, vomiting) & constipationAssessment for anatomic differences as needed
Immunology CBC w/differential
  • A ↓ absolute lymphocyte count necessitates eval of T- & B-cell subsets & referral to immunologist.
  • Immunologic eval; may incl flow cytometry, immunoglobulins, & T-cell function
Hematology Eval by hematologist in those w/history of ↑ bruising/bleedingConsider assessment of platelet volume & function prior to surgical procedures.
Endocrine
  • Serum ionized calcium
  • Intact parathyroid hormone
  • To assess for hypoparathyroidism
  • Endocrinology eval if abnormal
TSH & free T4To evaluate for hypo- & hyperthyroidism
Growth assessmentReferral to endocrinologist for those w/height <2nd centile for growth hormone deficiency eval
Ophthalmology Ophthalmology evalAt time of diagnosis
Audiology Audiology evalAt time of diagnosis
Neurology Neurology evalIf seizures are suspected
Development Speech & language assessment
  • By age 1 yr
  • Referral to early intervention
Psychiatry Eval by psychologist or psychiatrist
  • In those w/anxiety, mood disorder, behavioral differences, or frank psychosis
  • In teens & adults: incl assessment for at-risk behaviors.
Musculoskeletal Chest radiographTo evaluate for thoracic vertebral anomalies
Cervical spine radiographs (6 views: flexion, extension, AP, lateral, open mouth, skull base)In all persons age >4 yrs (age at which cervical spine becomes ossified) & prior to hyperextension of the neck during surgical procedures &/or athletic pursuits (e.g., tumbling)
Nephrology Renal ultrasound exam
Other Consultation w/clinical geneticist &/or genetic counselor

From: 22q11.2 Deletion Syndrome

Cover of GeneReviews®
GeneReviews® [Internet].
Adam MP, Feldman J, Mirzaa GM, et al., editors.
Seattle (WA): University of Washington, Seattle; 1993-2024.
Copyright © 1993-2024, University of Washington, Seattle. GeneReviews is a registered trademark of the University of Washington, Seattle. All rights reserved.

GeneReviews® chapters are owned by the University of Washington. Permission is hereby granted to reproduce, distribute, and translate copies of content materials for noncommercial research purposes only, provided that (i) credit for source (http://www.genereviews.org/) and copyright (© 1993-2024 University of Washington) are included with each copy; (ii) a link to the original material is provided whenever the material is published elsewhere on the Web; and (iii) reproducers, distributors, and/or translators comply with the GeneReviews® Copyright Notice and Usage Disclaimer. No further modifications are allowed. For clarity, excerpts of GeneReviews chapters for use in lab reports and clinic notes are a permitted use.

For more information, see the GeneReviews® Copyright Notice and Usage Disclaimer.

For questions regarding permissions or whether a specified use is allowed, contact: ude.wu@tssamda.

NCBI Bookshelf. A service of the National Library of Medicine, National Institutes of Health.