Cutaneous mastocytoma

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Cutaneous mastocytoma

ORPHA:79455Disease

Also called Cutaneous local mastocytoma · Multiple mastocytoma · Solitary mastocytoma

What it is

Cutaneous mastocytoma is a form of cutaneous mastocytosis (CM) generally characterized by the presence of a solitary or multiple hyperpigmented macules, plaques or nodules associated with abnormal accumulation of mast cells in the skin.

Key facts

Age of onset
All ages
Inheritance
Not applicable
Classified as
Disease

Signs and symptoms

These ranges are how often a sign appears across everyone diagnosed, not a prediction for one person — most people have some of these and not others. Orphanet also records findings that are specifically absent in this disease; those are in the data but not listed here.

Gene

KITDisease-causing germline mutation(s)

ICD-10 codes

Q82.2filed under a broader ICD-10 category — shared with 9 other rare diseases

ICD-10 has no distinct code for most rare diseases, so many are filed under the nearest available one. A shared code identifies the group, not this disease — the ORPHAcode above is what identifies it.

Related health topics

Reached through the ICD-10 categories this disease is filed under, so these describe the broader group rather than this disease specifically.

Cross-references

GARD 12687MESH D054705MONDO 0019314UMLS C0343115

Orphadata Science: Free access data from Orphanet. © INSERM 1999. Data version 2026-06-23. Available under CC BY 4.0. This is a reference, not medical advice.

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