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Living with Desmoplastic small round cell tumor

A rare soft tissue cancer that usually starts in the abdomen and mainly affects children and young adults.

Understanding Desmoplastic small round cell tumor

Desmoplastic small round cell tumor (DSRCT) is a rare type of soft tissue cancer (sarcoma) that usually begins in the abdomen.

It mainly affects children and young adults and is more common in males. It is often found in the peritoneum, the lining of the abdomen and pelvis. The tumor cells have a genetic change between chromosomes 11 and 22, which is acquired during life and is not inherited.

Signs & symptoms

Symptoms vary from person to person. GARD lists these among the most common:

  • Abdominal pain
  • Swollen belly or fullness
  • Nausea and vomiting
  • Enlarged liver
  • Swollen lymph nodes
  • Blocked bowel movement (ileus)

Not everyone has every symptom. GARD's list comes from the Human Phenotype Ontology.

Diagnosis

  1. Talk with your doctor

    Share the symptoms you've noticed, when they started and your family health history. Notes and photos can help.

  2. See a specialist

    Specialists who may be involved include cancer specialists.

  3. Ask which tests can help

    Your care team will decide which exams and tests can confirm the diagnosis.

  4. Connect with expert centers

    Alex's Lemonade Stand Foundation, Sarcoma Alliance and Sarcoma Foundation of America may keep lists of experts for this condition.

Care & treatment

Care team
Cancer specialists (oncologists)
Expert care
Expert lists: Alex's Lemonade Stand Foundation, Sarcoma Alliance, Sarcoma Foundation of America
Treatment
GARD doesn't list specific treatments for this condition. Your care team will tailor care to your symptoms.
Research
Clinical trials and observational studies may be options. See the research section below.

General information, not medical advice. Your care team makes the decisions.

Everyday life

Living with a rare condition is easier with support.

  • Connect with Alex's Lemonade Stand Foundation and other patient organizations
  • Keep notes on symptoms, changes and questions for appointments
  • Ask about patient registries that help research
  • Look into financial aid and travel resources for care visits
Bring these questions to your next doctor visit
How does the chromosome 11 and 22 change affect treatment?
Which specialists should be on my care team?
Where has the tumor spread in my abdomen?

Quick facts

Symptoms usually startTeenager and as an Adult

The tumor cells have a genetic change involving chromosomes 11 and 22. GARD says this change is acquired during a person's life and is not inherited.

Also known as: desmoplas. small round cell tumor; desmoplas. small round cell tumour; desmoplastic small round cell tumour; desmoplastic small round-cell neoplasm; desmoplastic small round-cell tumor; desmoplastic small round-cell tumour

Patient organizations

Source: NIH GARD · Desmoplastic small round cell tumorGARD ID 6265 · GARD page updated September 2026 · Plain-language summary by Know Rare; editorial review pending. General information, not medical advice.

You are more than your diagnosis

Perspectives from people navigating life with Desmoplastic small round cell tumor.

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Explore actively recruiting Desmoplastic small round cell tumor studies with HealthSpark.

HealthSpark

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  • Eligibility is confirmed by the study team

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