raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:185

Scimitar syndrome

Synonyms: Congenital pulmonary venolobar syndrome · Epibronchial right pulmonary vein syndrome · Halasz syndrome · Hypogenetic lung syndrome

Type
Malformation syndrome
Group
Disorder
Inheritance
Not applicable
Age of onset
Adolescent, Adult, Antenatal, Childhood, Infancy, Neonatal
Status
active

A rare congenital malformation characterized by a combination of cardiopulmonary anomalies including partial anomalous pulmonary venous connection of the right lung to the inferior caval vein leading to the creation of a left-to-right shunt, and varying degrees of right lung hypoplasia, along with a systemic arterial supply to the right lung.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enScimitar syndromeCongenital pulmonary venolobar syndrome · Epibronchial right pulmonary vein syndrome · Halasz syndrome · Hypogenetic lung syndrome
frSyndrome du cimeterreHypogénésie pulmonaire · Syndrome de Halasz · Syndrome veinolobaire pulmonaire congénital
deScimitar-SyndromAnomalie der epibronchialen rechten Pulmonalarterie · Halasz-Syndrom · Hypogenetisches Lungensyndrom · Kongenitales pulmonales venolobares Syndrom
esSíndrome de la cimitarraSíndrome del pulmón hipogenético · Síndrome venolobar pulmonar congénito · Síndrome de Halasz · Síndrome de la vena pulmonar epibronquial derecha
itSindrome della scimitarraSindrome da ipogenesia polmonare · Sindrome di Halasz · Sindrome epibronchiale dell'arteria polmonare destra · Sindrome venolobare polmonare congenita
nlScimitar-syndroomCongenitaal pulmonaal venolobair syndroom · Epibronchiale rechterlongader-syndroom · Hypogenetische long-syndroom · Syndroom van Halasz
ptSíndrome ScimitarSíndrome Halasz
plZespół szabli tureckiejZespół Halasza
csScimitar syndromVrozený plicní venolobární syndrom · Syndrom pravé epibronchiální plicní tepny (žíly) · Syndrom hypogenetické plíce · Halaszův syndrom
ukScimitar синдром у складі вродженої вади серця з аномальним дренажем легеневих венВроджений синдром легеневого веноблокатора · Синдром епібронхіальної правої легеневої вени · Синдром Халаша · Гіпогенетичний синдром легень
zh弯刀综合征右肺支气管旁静脉综合征
trScimitar sendromuHalasz sendromu · Hipogenetik akciğer sendromu · Doğumsal pulmoner venolobar sendromu · Epibronşiyal sağ pulmoner ven sendromu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10Q26.8NTBTinclusionvalidated
ICD-11LA86.22Especificvalidated
MONDO0015987Evalidated
MeSHD012587Evalidated
UMLSC0036400Evalidated
MedDRA10051951Evalidated

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

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

2 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0002 / 100 000EuropeValue and classValidated[EXPERT]
Point prevalenceUnknown—WorldwideClass onlyNot yet validatedORPHANET

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

6

HPO phenotypes

39 annotations · validated 2019-05-20
HPOTerm (as annotated by Orphanet)Diagnostic
Frequent (79-30%)
HP:0030680Abnormal cardiovascular system morphology
HP:0001627Abnormal heart morphology
HP:0002088Abnormal lung morphology
HP:0005345Abnormal vena cava morphology
HP:0001631Atrial septal defect
HP:0001680Coarctation of aorta
HP:0001635Congestive heart failure
HP:0001651Dextrocardia
HP:0004971Pulmonary artery hypoplasia
HP:0002089Pulmonary hypoplasia
HP:0001629Ventricular septal defect
Occasional (29-5%)
HP:0040045Abnormal hemidiaphragm morphology
HP:0010772Anomalous pulmonary venous return
HP:0100730Bronchogenic cyst
HP:0012735Cough
HP:0025495Descending aorta hypoplasia
HP:0001719Double outlet right ventricle
HP:0100790Hernia
HP:0040044Hypoplasia of the diaphragm
HP:0004383Hypoplastic left heart
HP:0012382Left-to-right shunt
HP:0011560Mitral atresia
HP:0010773Partial anomalous pulmonary venous return
HP:0001643Patent ductus arteriosus
HP:0002092Pulmonary arterial hypertension
HP:0100632Pulmonary sequestration
HP:0002205Recurrent respiratory infections
HP:0002098Respiratory distress
HP:0001750Single ventricle
HP:0001636Tetralogy of Fallot
Very rare (<4-1%)
HP:0000119Abnormality of the genitourinary system
HP:0000925Abnormality of the vertebral column
HP:0011638Anomalous origin of left coronary artery from the pulmonary artery
HP:0012722Heart block
HP:0011671Interrupted inferior vena cava with azygous continuation
HP:0011670Left superior vena cava draining to coronary sinus
HP:0002107Pneumothorax
HP:0011662Tricuspid atresia
HP:0001660Truncus arteriosus

Annotation source: 29398566[PMID]_28674724[PMID]_29054305[PMID]

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Sources for this card