raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:424019

Squamous cell carcinoma of the anal canal

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

Squamous cell carcinoma of the anal canal is a rare epithelial intestinal neoplasm, arising from squamous epithelial cells in the anal canal, with variable macroscopic appearance, ranging from small, benign lesions (that mimick fissures, hemorrhoids or anorectal fistulae) to a large, exophytic or ulcerating tumor localized within the anal canal. Patients may be asymptomatic or present difficulty to defecate, anal bleeding, pain and/or discharge, and often have a history of chronic anal fistulae and abscesses, Crohn's disease, hemorrhoids, or, especially in younger patients, immunosuppression (such as HIV infection). Association with HPV infection is commonly reported.

1

Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enSquamous cell carcinoma of the anal canal
frCarcinome épidermoïde du canal anal
dePlattenepithelkarzinom des AnalkanalsSquamöses Karzinom des Analkanals
esCarcinoma de células escamosas del canal anal
itCarcinoma a cellule squamose del canale anale
nlPlaveiselcelcarcinoom van anaal kanaal
ptCarcinoma de células escamosas do canal anal
plRak łuskowaty kanału odbytu
csDlaždicobuněčný karcinom análního kanálu
ukПлоскоклітинний рак анального каналу
zh肛管鳞状细胞癌
trAnal kanalın skuamöz hücreli karsinomu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C21.1NTBTattributedvalidated
ICD-112C00.3Especificvalidated
MONDO0004132Evalidated
UMLSC4301960Evalidated

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 (1):

No children.

4

Genes

0 direct

Orphanet records no gene directly on this code.

5

Prevalence and incidence

23 records
TypeClassValueAreaQualificationValidationSource
Annual incidence1-9 / 1 000 0000.81 / 100 000EuropeValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.194 / 100 000SlovakiaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.331 / 100 000SpainValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 100 0001.712 / 100 000SwitzerlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.621 / 100 000NetherlandsValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 100 0001.038 / 100 000United KingdomValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 100 0001.096 / 100 000FranceValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 100 0001.307 / 100 000GermanyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.809 / 100 000IcelandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.416 / 100 000IrelandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.872 / 100 000ItalyValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.238 / 100 000LatviaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.153 / 100 000LithuaniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 100 0001.071 / 100 000NorwayValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.411 / 100 000PolandValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.603 / 100 000PortugalValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.923 / 100 000AustriaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.707 / 100 000BelgiumValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.268 / 100 000BulgariaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.251 / 100 000CroatiaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.568 / 100 000Czech RepublicValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.6 / 100 000EstoniaValue and classValidatedRARECARE surveillance of rare cancers in Europe[OTHER]
Annual incidence1-9 / 1 000 0000.464 / 100 000FinlandValue and classValidatedRARECARE surveillance of rare cancers in Europe[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

12 annotations · validated 2017-06-07
HPOTerm (as annotated by Orphanet)Diagnostic
Obligate (100%)
HP:0030438Anal canal squamous cell carcinoma
Very frequent (99-80%)
HP:0002027Abdominal pain
HP:0002584Intestinal bleeding
HP:0002716Lymphadenopathy
HP:0012740Papilloma
Occasional (29-5%)
HP:0002025Anal stenosis
HP:0002896Neoplasm of the liver
HP:0100526Neoplasm of the lung
HP:0100743Neoplasm of the rectum
HP:0010622Neoplasm of the skeletal system
HP:0002035Rectal prolapse
HP:0200042Skin ulcer

Run the differential on the 5 obligate / very frequent terms

Annotation source: 26602415[PMID]_21043813[PMID]_26988618[PMID]

7

Sources for this card