PACS1

Schurrs-Hoeijmakers Syndrome

Clinical Characteristics
Ocular Features: 

Mild structural variants are common among the periocular structures.  There is marked hypertelorism in many individuals, the eyebrows are full and highly arched, the eyelashes are long, and the lid fissures slant downward.  Ptosis is often evident.  Myopia, nystagmus, and strabismus are frequently noted.  Colobomas have been reported.

Systemic Features: 

There is general psychomotor delay in development.  Intellectual disability (with IQs in the 50s) and hypotonia are common.  Speech is poor and sometimes absent.   Behavioral anomalies such as aggression and features of autism have been reported.  The anterior hairline is low, the mouth is wide with downturned corners, the nose is bulbous, the ears are large and low-set, and the teeth are often widely-spaced.  Cryptorchidism is common among males.

Renal and cardiac defects are common.  Brain MRIs often show cerebellar hypoplasia, enlarged ventricles, and nonspecific white matter changes.

Genetics

No treatment for the general disorder has been published.  Physical and speech therapy might be helpful

Pedigree: 
Autosomal dominant
Treatment
Treatment Options: 

No treatment for the general disorder has been published.  Physical and speech therapy might be helpful.

References
Article Title: 

Clinical delineation of the PACS1-related syndrome--Report on 19 patients

Schuurs-Hoeijmakers JH, Landsverk ML, Foulds N, Kukolich MK, Gavrilova RH, Greville-Heygate S, Hanson-Kahn A, Bernstein JA, Glass J, Chitayat D, Burrow TA, Husami A, Collins K, Wusik K, van der Aa N, Kooy F, Brown KT, Gadzicki D, Kini U, Alvarez S, Fernandez-Jaen A, McGehee F, Selby K, Tarailo-Graovac M, Van Allen M, van Karnebeek CD, Stavropoulos DJ, Marshall CR, Merico D, Gregor A, Zweier C, Hopkin RJ, Chu YW, Chung BH, de Vries BB, Devriendt K, Hurles ME, Brunner HG; DDD study. Clinical delineation of the PACS1-related syndrome--Report on 19 patients. Am J Med Genet A. 2016 Mar;170(3):670-5.

PubMed ID: 
26842493
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