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Most Common: Hearing Loss (D034381), Deafness (D003638), Sensorineural HL (D006319), Waardenburg Syndrome, Usher Syndromes
Term ID:10331
Name:Sneddon Syndrome
Definition:A systemic non-inflammatory arteriopathy primarily of middle-aged females characterized by the association of livedo reticularis, multiple thrombotic CEREBRAL INFARCTION; CORONARY DISEASE, and HYPERTENSION. Elevation of antiphospholipid antibody titers (see also ANTIPHOSPHOLIPID SYNDROME), cardiac valvulopathy, ISCHEMIC ATTACK, TRANSIENT; SEIZURES; DEMENTIA; and chronic ischemia of the extremities may also occur. Pathologic examination of affected arteries reveals non-inflammatory adventitial fibrosis, thrombosis, and changes in the media. (From Jablonski, Dictionary of Syndromes & Eponymic Diseases, 2d ed; Adams et al., Principles of Neurology, 6th ed, p861; Arch Neurol 1997 Jan;54(1):53-60)
Alternative IDs:
ParentIDs:MESH:D002561|MESH:D017445
TreeNumbers:C10.228.140.300.750 |C14.907.253.774 |C17.800.862.775
Synonyms:Livedo Reticularis And Cerebrovascular Accidents |Livedo Reticularis, Systemic Involvement |Sneddon Champion Syndrome |Sneddon-Champion Syndrome |Syndrome, Sneddon |Syndrome, Sneddon-Champion
Slim Mappings:Cardiovascular disease|Nervous system disease|Skin disease
Reference: MedGen: D018860
MeSH: D018860
OMIM: 182410;

Genes: CECR1;
Phenotypes
1 HP:0000006Autosomal dominant inheritance
2 HP:0000007Autosomal recessive inheritance
3 HP:0003613Antiphospholipid antibody positivity
4 HP:0000965Cutis marmorata
5 HP:0001260Dysarthria
6 HP:0010628Facial palsy
7 HP:0002315Headache
8 HP:0002301Hemiplegia
9 HP:0000822Hypertension
10 HP:0001268Mental deterioration
11 HP:0003676Progressive
12 HP:0001250Seizure
13 HP:0003745Sporadic
14 HP:0001297Stroke
15 HP:0001337Tremor
Disease Causing ClinVar Variants
Variation_NameGeneIDGeneSymbolClinicalSignificancedbSNPRCVaccessionTestedInGTRPhenotypeIDsChromosomeStartStopHGVS_cHGVS_pHGVS_gOtherIDsDisease_ClinVarDisease_hgmd
NM_177405.2(CECR1):c.424G>A (p.Gly142Ser)51816CECR1Pathogenic770689762RCV000169759; NMedGen:C0282492,OMIM:182410,ORPHA:820,SNOMED CT:238776001221766358617663586NM_177405.2:c.424G>ANP_803124.1:p.Gly142SerNC_000022.10:g.17663586C>TOMIM Allelic Variant:607575.0011C0282492 182410 Idiopathic livedo reticularis with systemic involvement
NM_177405.2(CECR1):c.355A>G (p.Thr119Ala)51816CECR1Pathogenic775440641RCV000169758; NMedGen:C0282492,OMIM:182410,ORPHA:820,SNOMED CT:238776001221766923217669232NM_177405.2:c.355A>GNP_803124.1:p.Thr119AlaNC_000022.10:g.17669232T>COMIM Allelic Variant:607575.0010C0282492 182410 Idiopathic livedo reticularis with systemic involvement