Title: mastocytosis
Long Title: IUPAC Gold Book - mastocytosis
DOI: 10.1351/goldbook.13446
Status: current

Definition
Rare disease characterized by the presence of too many mast cells in various organs and tissues. The condition can be a chronic, long-term illness or it can develop suddenly.

Note
Mastocytosis may be systemic, involving a variety of organs, or cutaneous, involving only the skin, also referred to as urticaria pigmentosa.

Related Terms
- mast cells: https://goldbook.iupac.org/terms/view/13442
- systemic: https://goldbook.iupac.org/terms/view/13708

Source
- PAC, 2012, 84, 1113. 'IUPAC glossary of terms used in immunotoxicology (IUPAC Recommendations 2012)' on page 1211 (https://doi.org/10.1351/PAC-REC-11-06-03)

Other Outputs
- html: https://goldbook.iupac.org/terms/view/13446/html
- json: https://goldbook.iupac.org/terms/view/13446/json
- xml: https://goldbook.iupac.org/terms/view/13446/xml

Citation: Citation: 'mastocytosis' in IUPAC Compendium of Chemical Terminology, 5th ed. International Union of Pure and Applied Chemistry; 2025. Online version 5.0.0, 2025. 10.1351/goldbook.13446
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Disclaimer: The International Union of Pure and Applied Chemistry (IUPAC) is continuously reviewing and, where needed, updating terms in the Compendium of Chemical Terminology (the IUPAC Gold Book). Users of these terms are encouraged to include the version of a term with its use and to check regularly for updates to term definitions that you are using.
Accessed: 2026-06-30T15:26:43+00:00