MASA syndrome (Mental retardation, Aphasia, Spastic paraplegia, Adducted thumbs) is a historical term used to describe a phenotype now considered to be part of the X-linked L1 clinical spectrum (L1 syndrome). MASA is characterized by mild to moderate intellectual deficit, delayed development of speech, hypotonia progressing to spasticity or spastic paraplegia, adducted thumbs, and mild to moderate distension of the cerebral ventricles. [ Orphanet:2466 ]
Synonyms: X-linked complicated hereditary spastic paraplegia type 1 hereditary spastic paraplegia 1 masa syndrome, X-linked recessive X-linked corpus callosum agenesis X-linked spastic paraplegia 1 spastic paraplegia, X-linked Gareis-Mason syndrome intellectual disability-aphasia-shuffling gait-adducted thumbs syndrome MASA syndrome
Term information
- MEDGEN:162894 (MONDO:equivalentTo)
- SCTID:716996008 (MONDO:equivalentTo)
- OMIM:303350 (Orphanet:2466/e)
- GARD:6986 (MONDO:GARD)
- UMLS:C0795953 (MONDO:equivalentTo)
- NCIT:C129930 (MONDO:equivalentTo)
- DOID:0060246 (MONDO:equivalentTo)
- Orphanet:2466 (OMIM:303350)
gard_rare, otar, rare, ordo_subtype_of_a_disorder, nord_rare
http://purl.obolibrary.org/obo/DOID_0060246
http://identifiers.org/medgen/162894
http://linkedlifedata.com/resource/umls/id/C0795953
http://www.orpha.net/ORDO/Orphanet_2466
http://purl.obolibrary.org/obo/NCIT_C129930
http://identifiers.org/snomedct/716996008
https://omim.org/entry/303350
thumb congenital clasped with intellectual disability
thumb congenital clasped with mental retardation
spastic paraplegia 1
Clasped thumb and mental retardation
spastic paraplegia 1, X-linked
thumb, congenital Clasped, with mental retardation
thumb, congenital Clasped, with intellectual disability
adducted thumb with intellectual disability
Clasped thumb and intellectual disability
CRASH syndrome
adducted thumb with mental retardation
intellectual disability aphasia shuffling Gait adducted thumbs (MASA)
intellectual disability, aphasia, shuffling Gait, and adducted thumbs
mental retardation aphasia shuffling Gait adducted thumbs (MASA)
mental retardation, aphasia, shuffling Gait, and adducted thumbs
CRASH syndrome, X-linked recessive
https://github.com/monarch-initiative/mondo/issues/6878
https://github.com/monarch-initiative/mondo/issues/4521