Novel WDR26 variant in a Chinese patient with Skraban-Deardorff syndrome: a case report and literature review - Scorecard - MDSpire

Novel WDR26 variant in a Chinese patient with Skraban-Deardorff syndrome: a case report and literature review

  • By

  • Cuiyun Li

  • Ying Xu

  • Guiying Zhang

  • Liting Chen

  • Hui Zeng

  • Wei Li

  • Ying Yu

  • July 15, 2026

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Clinical Scorecard: Identification of a New WDR26 Variant in a Chinese Child with Skraban-Deardorff Syndrome: A Case Study and Review of Existing Literature

At a Glance

CategoryDetail
ConditionSkraban-Deardorff syndrome
Key MechanismsDe novo variants of the WDR26 gene leading to haploinsufficiency
Target PopulationPediatric patients with neurodevelopmental disorders
Care SettingPediatric healthcare facilities

Key Highlights

  • Skraban-Deardorff syndrome is an extremely rare autosomal dominant neurodevelopmental disorder.
  • Clinical features include intellectual disability, developmental delays, seizures, and abnormal facial characteristics.
  • A novel heterozygous frameshift variant c.271delA (p.Thr91Profs*40) of the WDR26 gene was identified.
  • Delayed language development is a typical clinical phenotype, with no major reports of epilepsy in the Chinese population.
  • Timely language interventional therapy is crucial for improving prognosis.

Guideline-Based Recommendations

Diagnosis

  • Genetic testing for WDR26 variants is recommended for suspected cases.

Management

  • Comprehensive rehabilitation training including physical and speech therapy.

Monitoring & Follow-up

  • Regular neurodevelopmental assessments and imaging studies as needed.

Risks

  • Delayed language development may significantly compromise prognosis if not addressed.

Patient & Prescribing Data

Children diagnosed with Skraban-Deardorff syndrome.

Management focuses on rehabilitation therapies; no straightforward treatment for language delays.

Clinical Best Practices

  • Early intervention with physical and speech therapy is essential.
  • Regular follow-up and monitoring of developmental milestones.

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