raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:1303

Bronchiolitis obliterans

Synonyms: Constrictive bronchiolitis · Obliterative bronchiolitis

Type
Clinical group
Group
Group of disorders
Inheritance
Not applicable
Age of onset
All ages
Status
active

A rare lung disorder that is mainly associated with chronic allograft dysfunction after lung transplantation and that is characterized by inflammation and fibrosis of bronchiolar walls that reduce the diameter of the bronchioles and result in progressive and irreversible airflow obstruction.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enBronchiolitis obliteransConstrictive bronchiolitis · Obliterative bronchiolitis
frBronchiolite oblitéranteBronchiolite constrictive · Bronchiolite obstructive
deBronchiolitis obliteransBronchiolitis, konstriktive · Bronchiolitis, obliterative
esBronquiolitis obliteranteBronquiolitis constrictiva
itBronchiolite obliteranteBronchiolite costrittiva · Bronchiolite obliterativa
nlBronchiolitis obliteransConstrictieve bronchiolitis · Obliteratieve bronchiolitis
ptBronquiolite obliteranteBronquiolite constritiva · Bronquiolite obliterativa
plZarostowe zapalenie oskrzelików z obturacyjną chorobą płucBOOP · Zaciskające zapalenie oskrzelików · Zarostowe zapalenie oskrzelików
csObliterující bronchiolitida s obstrukční plicní nemocíBOOP · Konstriktivní bronchiolitida · Obliterující bronchiolitida
ukОблітеруючий бронхіолітКонстриктивний бронхіоліт · Облітеруючий бронхіоліт
zh闭塞性细支气管炎伴阻塞性肺疾病闭塞性细支气管炎
trObstrüktif akciğer hastalığı ile seyreden bronşiyolit obliteransKonstriktif bronşiolit · Obliteratif bronşiolit

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10J44.8NTBTattributedvalidated
ICD-11CA26.0Especificvalidated
MONDO15265Evalidated
UMLSC0006272Evalidated
GARD5961Evalidated
MedDRA10029888Evalidated

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 (2):

Children (2):

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

1 record
TypeClassValueAreaQualificationValidationSource
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

16 annotations · validated 2021-08-26
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0006536Airway obstruction
HP:0011946Bronchiolitis obliterans
HP:0012735Cough
HP:0032359Decreased forced expiratory flow 25-75%
HP:0002094Dyspnea
HP:0012418Hypoxemia
HP:0030877Reduced FEV1/FVC ratio
HP:0032342Reduced forced expiratory volume in one secondDiagnostic criterion
HP:0032341Reduced forced vital capacity
Frequent (79-30%)
HP:0045051Decreased DLCO
HP:0031246Nonproductive cough
HP:0002090Pneumonia
HP:0011947Respiratory tract infection
Occasional (29-5%)
HP:0002960Autoimmunity
HP:0002110Bronchiectasis
Very rare (<4-1%)
HP:0025179Ground-glass opacification on pulmonary HRCT

Run the differential on the 9 obligate / very frequent terms

Annotation source: 30038355[PMID]_24806161[PMID]_26335918[PMID]

7

Sources for this card