raremaprare-disease reference indexOrphadata 2026-06-23 · HPO 2026-09-01
ORPHA:499182

Pilomatrix carcinoma

Synonyms: Calcified epithelial carcinoma of Malherbe · Calcifying epitheliocarcinoma · Malignant pilomatricoma · Trichomatrical carcinoma

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

A rare skin tumor characterized by an asymptomatic, solitary, often ulcerated nodule most commonly located in the face, involving the deep dermis, subcutaneous tissue, and skeletal muscle and fascia. Histopathologically, the lesion is composed of aggregates of atypical basaloid cells with numerous mitoses. Typical features include shadow cells, keratin cysts, and trichohyalin and keratohyalin granules. The tumor is locally aggressive and shows a tendency to recur after incomplete excision. Regional lymph node or visceral metastasis has been reported.

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Names in Orphadata languages

12 of 12 languages
LangNameSynonyms
enPilomatrix carcinomaCalcified epithelial carcinoma of Malherbe · Calcifying epitheliocarcinoma · Malignant pilomatricoma · Trichomatrical carcinoma
frCarcinome pilomatricielCarcinome trichomatriciel · Epithéliocarcinome de Malherbe · Epithéliome calcifié de Malherbe · Pilomatricocarcinome · Pilomatricome malin
dePilomatrixkarzinomEpithelkarzinom, kalzifizierendes · Kalzifiziertes Epithelkarzinom Malherbe · Pilomatrixom, malignes · Trichomatrisches Karzinom
esCarcinoma pilomatricialCarcinoma epitelial calcificado de Malherbe · Carcinoma tricomatricial · Epiteliocarcinoma calcificado · Pilomatricoma maligno · Pilomatrixoma maligno
itCarcinoma pilomatricale
nlPilomatrixcarcinoomCalcificerend epitheelcarcinoom · Calcificerend epithelioom van Malherbe · Maligne pilomatricoom · Trichomatrisch carcinoom · Verkalkt epitheliaal carcinoom van Malherbe
ptCarcinoma pilomatrix
plRak macierzy włosaNabłoniak wapniejący złośliwy · Nabłoniakorak wapniejący · Rak nabłonkowy wapniejący Malherbego
csPilomatrix karcinomMalignant pilomatricoma · Trichomatrical carcinoma · Calcifying epitheliocarcinoma · Calcified epithelial carcinoma of Malherbe · Maligní pilomatrikom · Kalcifikující epiteliokarcinom · Malherbův kalcifikovaný epiteliální karcinom · Trichomatrikální karcinom
ukПіломатріксна карциномаКальцинована епітеліальна карцинома Мальхербе · Кальцинуюча епітеліокарцинома · Злоякісна піломатрікома · Трихоматична карцинома
zh阴唇癌Malherbe钙化上皮癌
trPilomatriks karsinomuHabis pilomatricoma · Trikomatrik karsinom · Kalsifiye epiteliyokarsinom · Malherbe'nin kalsifiye epitel karsinomu

Definition in:

2

Cross-references

qualifier = Orphanet mapping relation
SourceCodeQualifierICD relationValidation
ICD-10C44.3BTNTattributedvalidated
ICD-10C44.4BTNTattributedvalidated
ICD-112C3YNTBTattributedvalidated
MONDO0003414Evalidated
UMLSC0585475Evalidated
MedDRA10075614Evalidated

E exact · NTBT this ORPHAcode is narrower than the target · BTNT broader than the target · ND not decided.

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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

0 records

No prevalence record in this release.

6

HPO phenotypes

Orphanet has no HPO annotation for this code in this release.

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Sources for this card