raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:538

Lymphangioleiomyomatosis

Synonyms: LAM

Type
Disease
Group
Disorder
Inheritance
Not applicable
Age of onset
Adult
Status
active

A rare, multiple cystic lung disease characterized by progressive cystic destruction of the lung and lymphatic abnormalities, frequently associated with renal angiomyolipomas (AMLs).

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enLymphangioleiomyomatosisLAM
frLymphangioléiomyomatose= en
deLymphangioleiomyomatose= en
esLinfangioleiomiomatosis= en
itLinfangioleiomiomatosi= en
nlLymfangioleiomyomatose= en
ptLinfangioleiomiomatose= en
plLimfangioleiomiomatoza= en
csLymfangioleiomyomatóza= en
ukЛімфангіолейоміоматоз= en
zh淋巴管肌瘤病= en
trLenfanjiyoleyomiyomatozKUZU

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM606690Evalidated
ICD-10D48.7NTBTattributedvalidated
ICD-11CB07Especificvalidated
MONDO0006277Evalidated
MeSHD018192Evalidated
UMLSC0751674Evalidated
GARD3319Evalidated
MedDRA10049459Evalidated

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):

No children.

4

Genes

2 direct
GeneAssociationStatusHGNCEnsemblOMIMLocusNameSource of validation
TSC1Disease-causing somatic mutation(s) inAssessedHGNC:12362ENSG000001656996052849q34.13TSC complex subunit 117541983[PMID]
TSC2Disease-causing somatic mutation(s) inAssessedHGNC:12363ENSG0000010319719109216p13.3TSC complex subunit 217541983[PMID]
5

Prevalence and incidence

13 records
TypeClassValueAreaQualificationValidationSource
Annual incidence<1 / 1 000 0000.0135 / 100 000WorldwideValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.15 / 100 000WorldwideValue and classValidated21764810[PMID]_ ORPHANET_[EXPERT]
Annual incidence<1 / 1 000 0000.015 / 100 000United StatesValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.17 / 100 000United StatesValue and classValidated21764810[PMID]
Annual incidence<1 / 1 000 0000.01 / 100 000FranceValue and classValidated10499073[PMID]
Point prevalence1-9 / 1 000 0000.19 / 100 000GermanyValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.21 / 100 000CanadaValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.25 / 100 000United KingdomValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.32 / 100 000SwitzerlandValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.39 / 100 000New ZealandValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.26 / 100 000AustraliaValue and classValidated21764810[PMID]
Point prevalence1-9 / 1 000 0000.25 / 100 000NetherlandsValue and classValidatedDOI:10.1517/21678707.2015.1022529[OTHER]
Point prevalence1-9 / 1 000 0000.25 / 100 000EuropeValue and classValidated21764810[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.

6

HPO phenotypes

36 annotations · validated 2016-06-01
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0100763Abnormality of the lymphatic system
HP:0100749Chest pain
HP:0012735Cough
HP:0002094Dyspnea
HP:0002113Pulmonary infiltrates
HP:0002091Restrictive ventilatory defect
Frequent (79-30%)
HP:0002027Abdominal pain
HP:0000008Abnormal morphology of female internal genitalia
HP:0100750Atelectasis
HP:0010310Chylothorax
HP:0002097Emphysema
HP:0000790Hematuria
HP:0002716Lymphadenopathy
HP:0002107Pneumothorax
HP:0012798Pulmonary lymphangiomyomatosis
HP:0006772Renal angiomyolipoma
HP:0100804Ungual fibroma
Occasional (29-5%)
HP:0012086Abnormal urinary color
HP:0001000Abnormality of skin pigmentation
HP:0001541Ascites
HP:0011852Chylopericardium
HP:0100543Cognitive impairment
HP:0012378Fatigue
HP:0001945Fever
HP:0002239Gastrointestinal hemorrhage
HP:0002105Hemoptysis
HP:0000238Hydrocephalus
HP:0001004Lymphedema
HP:0012733Macule
HP:0005562Multiple renal cysts
HP:0000648Optic atrophy
HP:0002205Recurrent respiratory infections
HP:0009726Renal neoplasm
HP:0009594Retinal hamartoma
HP:0001250Seizure
HP:0009721Shagreen patch

Run the differential on the 6 obligate / very frequent terms

7

Sources for this card