raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:320385

Hereditary sensory and autonomic neuropathy due to TECPR2 mutation

Synonyms: Autosomal recessive spastic paraplegia type 49 · HSAN due to TECPR2 mutation · SPG49

Type
Disease
Group
Disorder
Inheritance
Autosomal recessive
Age of onset
Infancy
Status
active

A rare genetic peripheral neuropathy characterized by early hypotonia evolving to spastic paraparesis, areflexia, decreased pain and temperature sensitivity, autonomic neuropathy, gastroesophageal reflux disease, recurrent pneumonia and respiratory problems. Patients also have intellectual disability and dysmorphic features, including mild brachycephalic microcephaly, short broad neck, low anterior hairline and coarse face.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enHereditary sensory and autonomic neuropathy due to TECPR2 mutationAutosomal recessive spastic paraplegia type 49 · HSAN due to TECPR2 mutation · SPG49
frNeuropathie héréditaire sensitive et autonomique due à une mutation de TECPR2NHSA due à une mutation de TECPR2 · Paraplégie spastique autosomique récessive type 49 · SPG49
deHereditäre sensorische und autonome Neuropathie durch TECPR2-MutationHSAN durch TECPR2-Mutation · SPG49 · Spastische Paraplegie, autosomal-rezessive, Typ 49
esNeuropatía sensitiva y autonómica hereditaria por una mutación en el gen TECPR2HSAN por una mutación en el gen TECPR2 · Paraplejía espástica autosómica recesiva tipo 49 · SPG49
itNeuropatia sensoriale e autonomica ereditaria da mutazione di TECPR2SPG49
nlErfelijke sensorische en autonome neuropathie door TECPR2-mutatieAutosomaal recessieve spastische paraplegie type 49 · HSAN door TECPR2-mutatie · SPG49
ptNeuropatia sensitiva e autonómica hereditária por mutação TECPR2Paraplegia espástica autossómica recessiva tipo 49
plAutosomalna recesywna paraplegia spastyczna typu 49SPG49
csAutozomálně recesivní spastická paraplegie, typ 49SPG49
ukСпадкова сенсорна та автономна нейропатія, зумовлена мутацією TECPR2Аутосомно-рецесивна спастична параплегія типу 49 · HSAN внаслідок мутації TECPR2 · SPG49
zhTECPR2基因突变所致遗传性感觉和自主神经病变常染色体隐性遗传痉挛性截瘫49型
trTECPR2 mutasyonuna bağlı kalıtsal duyusal ve otonom nöropatiSPG49 · TECPR2 mutasyonu nedeniyle HSAN · Otozomal çekinik spastik parapleji tip 49

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM615031Evalidated
ICD-10G11.4NTBTattributedvalidated
ICD-118C21.YNTBTattributedvalidated
MONDO0014016Evalidated
UMLSC5190860Evalidated
GARD13568Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

3

Classification

Preferential parent (Orphanet linearisation):

Parents in the classifications (3):

No children.

4

Genes

1 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TECPR2Disease-causing germline mutation(s) inAssessedHGNC:19957ENSG0000019666361500014q32.33tectonin beta-propeller repeat containing 223176824[PMID]
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Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Cases/families5 casesWorldwideCase(s)Validated23176824[PMID]
Point prevalence<1 / 1 000 000—WorldwideClass onlyValidatedORPHANET_23176824[PMID]

Value is Orphadata's ValMoy: the mean estimate per 100 000 for prevalence and incidence, the number of cases or families for case reports.

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HPO phenotypes

23 annotations · validated 2018-05-17
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0002205Recurrent respiratory infections
Frequent (79-30%)
HP:0001284Areflexia
HP:0000248Brachycephaly
HP:0000475Broad neck
HP:0000678Dental crowding
HP:0001260Dysarthria
HP:0001310Dysmetria
HP:0000293Full cheeks
HP:0002066Gait ataxia
HP:0001290Generalized hypotonia
HP:0001263Global developmental delay
HP:0000338Hypomimic face
HP:0001249Intellectual disability
HP:0000294Low anterior hairline
HP:0000252Microcephaly
HP:0000311Round face
HP:0000470Short neck
HP:0004322Short stature
Occasional (29-5%)
HP:0002871Central apnea
HP:0001272Cerebellar atrophy
HP:0002059Cerebral atrophy
HP:0002079Hypoplasia of the corpus callosum
HP:0001250Seizure

Run the differential on the 1 obligate / very frequent terms

Annotation source: 23176824[PMID]

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Sources for this card