Orphanet: Pseudoxanthomatous diffuse cutaneous mastocytosis

Search for a rare disease

* (*) mandatory field

Other search option(s)

Suggest an update

(*) Required fields.


Only comments seeking to improve the quality and accuracy of information on the Orphanet website are accepted. For all other comments, please send your remarks via contact us. Only comments written in English can be processed.

Captcha image

Pseudoxanthomatous diffuse cutaneous mastocytosis

Disease definition

Pseudoxanthomatous diffuse cutaneous mastocytosis (PDCM) is a rare form of diffuse cutaneous mastocytosis (DCM; see this term) characterized by yellow-orange infiltrated and xanthogranuloma-like lesions with only limited blistering.


Classification level: Subtype of disorder
  • Synonym(s):
    • Infiltrative small vesicular DCM
    • Infiltrative small vesicular diffuse cutaneous mastocytosis
    • Pseudoxanthomatous DCM
  • Prevalence: <1 / 1 000 000
  • Inheritance: Not applicable 
  • Age of onset: Infancy, Neonatal
  • ICD-10: Q82.2
  • OMIM: -
  • UMLS: -
  • MeSH: -
  • GARD: -
  • MedDRA: -

Detailed information

Article for general public


The documents contained in this web site are presented for information purposes only. The material is in no way intended to replace professional medical care by a qualified specialist and should not be used as a basis for diagnosis or treatment.