Desmoplastic small round cell tumor

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Desmoplastic small round cell tumor

ORPHA:83469Disease

Also called DSRCT

What it is

An aggressive soft tissue cancer that typically arises in serous lined surfaces of the abdominal or pelvic peritoneum, and spreads to the omentum, lymph nodes and hematogenously disseminates especially to the liver. Extraserous primary location has been reported in exceptional cases.

Key facts

Prevalence
<1 / 1 000 000
Age of onset
Adolescent, Adult
Inheritance
Not applicable
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

EWSR1Part of a fusion gene
WT1Part of a fusion gene

ICD-10 codes

C48.2filed under a broader ICD-10 category — shared with 1 other rare disease

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 6265MEDDRA 10064581MESH D058405MONDO 0019373UMLS C0281508

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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