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Metadata
ID DOID:0070777
PURL http://purl.obolibrary.org/obo/DOID_0070777 Copy
Name syndromic X-linked intellectual developmental disorder, Snijders Blok type
Definition A syndromic X-linked intellectual disability characterized by mildly to severely impaired intellectual development with variable other features including brain abnormalities, microcephaly, hypotonia, movement disorder and/or spasticity, ventricular enlargement, hypoplasia, and behavioral problems that has_material_basis_in heterozygous or hemizygous mutation in the DDX3X gene on Xp11. It occurs predominantly in females.
https://www.ncbi.nlm.nih.gov/books/NBK561282/, https://pubmed.ncbi.nlm.nih.gov/30734472/, https://pubmed.ncbi.nlm.nih.gov/26235985/
Xrefs

GARD:12715

ICD10CM:F78.A

MIM:300958

ORDO:457260

SNOMEDCT_US_2026_03_01:1254654006

UMLS_CUI:C5393299

UMLS_CUI:C5681121

SKOS

exactMatch ORDO:457260

exactMatch GARD:12715

exactMatch MIM:300958

broadMatch ICD10CM:F78.A

Subsets

DO_rare_slim

Synonyms

intellectual developmental disorder, X-linked, syndromic, Snijders Blok type [EXACT]

MRXSSB [EXACT]

Parent Relationships

is_a syndromic X-linked intellectual disability

Subclass Logical Relationships

has material basis in some autosomal dominant inheritance or has material basis in some autosomal recessive inheritance

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