raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:2911

Poland syndrome

Synonyms: Poland anomaly · Poland sequence

Type
Malformation syndrome
Group
Disorder
Inheritance
Autosomal dominant, Autosomal recessive, Multigenic/multifactorial, Not applicable
Age of onset
Antenatal, Infancy, Neonatal
Status
active

A rare congenital malformation characterized by a unilateral, complete or partial, absence of the pectoralis major (and often minor) muscle, ipsilateral breast and nipple anomalies, hypoplasia of the pectoral subcutaneous tissue, absence of pectoral and axillary hair, and possibly accompanied by chest wall and/or upper limb defects.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPoland syndromePoland anomaly · Poland sequence
frSyndrome de PolandAnomalie de Poland · Séquence de Poland
dePoland-SyndromPoland-Anomalie · Poland-Sequenz
esSíndrome de Poland
itSindrome di Poland
nlSyndroom van PolandPoland-anomalie · Poland-sequentie
ptSíndrome PolandAnomalia de Poland · Sequência de Poland
plZespół PolandaAnomalia Polanda · Sekwencja Polanda
csPolandův syndromPolandova anomálie · Polandova sekvence
ukСиндром ПоландаАномалія Поланда · Послідовність Поланда
zhPoland综合征波伦序列征
trPolonya sendromuPolonya anomalisi · Polonya dizisi

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
OMIM173800Evalidated
ICD-10Q79.8NTBTinclusionvalidated
ICD-11LB73.10Especificvalidated
MONDO0008262Evalidated
MeSHD011045Evalidated
UMLSC0032357Evalidated
GARD7412Evalidated
MedDRA10036007Evalidated

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.

Codes that Orphanet moved or referred to this one:

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

4 records
TypeClassValueAreaQualificationValidationSource
Prevalence at birth1-9 / 100 0003.1 / 100 000CanadaValue and classValidated205132[PMID]
Point prevalence1-9 / 100 000—CanadaClass onlyNot yet validated205132[PMID]
Prevalence at birth1-9 / 100 0001.5 / 100 000EuropeValue and classValidatedEUROCAT European surveillance of congenital anomalies 2005-2012[OTHER]
Point prevalence1-9 / 100 000—EuropeClass onlyValidatedORPHANET_EUROCAT European surveillance of congenital anomalies 2005-2012[OTHER]

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

58 annotations · validated 2024-10-18
HPOTerm (as annotated by Orphanet)Diagnostic
Very frequent (99-80%)
HP:0007485Absence of subcutaneous fat
HP:0009751Aplasia of the pectoralis major musclePathognomonic sign
HP:0010311Aplasia/Hypoplasia of the breasts
HP:0006709Aplasia/Hypoplasia of the nipples
HP:0001555Asymmetry of the thorax
Frequent (79-30%)
HP:0001155Abnormality of the hand
HP:0005255Absence of pectoralis minor muscle
HP:0009700Finger symphalangism
HP:0000089Renal hypoplasia
HP:0200055Small hand
HP:0006008Unilateral brachydactyly
Occasional (29-5%)
HP:0007477Abnormal dermatoglyphics
HP:0031095Abnormal humerus morphology
HP:0040071Abnormal morphology of ulna
HP:0000772Abnormal rib morphology
HP:0000766Abnormal sternum morphology
HP:0001392Abnormality of the liver
HP:0002814Abnormality of the lower limb
HP:0000356Abnormality of the outer ear
HP:0004050Absent hand
HP:0002488Acute leukemia
HP:0006501Aplasia/Hypoplasia of the radius
HP:0006714Aplasia/Hypoplasia of the sternum
HP:0009601Aplasia/Hypoplasia of the thumb
HP:0001631Atrial septal defect
HP:0001156Brachydactyly
HP:0010579Cone-shaped epiphysis
HP:0000776Congenital diaphragmatic hernia
HP:0000028Cryptorchidism
HP:0001651Dextrocardia
HP:0000819Diabetes mellitus
HP:0000081Duplicated collecting system
HP:0002084Encephalocele
HP:0006101Finger syndactyly
HP:0001161Hand polydactyly
HP:0002937Hemivertebrae
HP:0000047Hypospadias
HP:0002808Kyphosis
HP:0002162Low posterior hairline
HP:0000252Microcephaly
HP:0000921Missing ribs
HP:0000545Myopia
HP:0100013Neoplasm of the breast
HP:0000768Pectus carinatum
HP:0000767Pectus excavatum
HP:0002974Radioulnar synostosis
HP:0004349Reduced bone mineral density
HP:0008678Renal hypoplasia/aplasia
HP:0009594Retinal hamartoma
HP:0002650Scoliosis
HP:0000470Short neck
HP:0000773Short ribs
HP:0003298Spina bifida occulta
HP:0001171Split hand
HP:0000912Sprengel anomaly
HP:0000070Ureterocele
HP:0003422Vertebral segmentation defect
HP:0000076Vesicoureteral reflux

Run the differential on the 5 obligate / very frequent terms

Annotation source: 30335292[PMID]_32758259[PMID]

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Sources for this card