Desmoid tumor

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Desmoid tumor

ORPHA:873Disease

Also called Aggressive fibromatosis · Desmoid type fibromatosis

What it is

A desmoid tumor (DT) is a benign, locally invasive soft tissue tumor associated with a high recurrence rate but with no metastatic potential.

Key facts

Prevalence
1-9 / 1 000 000 (annual incidence, Europe)
Age of onset
Adolescent, Adult
Inheritance
Not applicable, Unknown
Classified as
Disease

Prevalence figures describe populations, not individuals, and are often estimates from a single study. Where the figure is an incidence or a birth prevalence, it says so.

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.

Genes

APCDisease-causing somatic mutation(s)
CTNNB1Disease-causing somatic mutation(s)

ICD-10 codes

D48.1filed under a broader ICD-10 category — shared with 5 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.

Cross-references

GARD 1820MEDDRA 10059352MONDO 0007608OMIM 135290UMLS C0079218

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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