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Living with Kidney medullary carcinoma

A rare kidney cancer that mostly affects young people, often first seen as blood in the urine.

Understanding Kidney medullary carcinoma

Kidney (renal) medullary carcinoma is a rare kidney cancer that grows in the medulla, the inner part of the kidney.

It mostly affects young people. The first sign is often blood in the urine. People may also have flank pain or a lump in the belly, usually on the right side. Having sickle cell trait is a risk factor.

Signs & symptoms

GARD doesn't list specific symptoms for this condition yet. Its summary describes these signs:

  • Blood in the urine (hematuria)
  • Side or back (flank) pain
  • A lump in the belly, usually on the right side

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 and kidney 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

    Kidney Cancer Association may keep lists of experts for this condition.

Care & treatment

Care team
Cancer specialists (oncologists); Kidney specialists (nephrologists)
Expert care
Expert lists: Kidney Cancer Association
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 Kidney Cancer Association 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
Should I be tested for sickle cell trait?
Which tests and scans can show how far the tumor has spread?
Which cancer specialists should be on my team?

Quick facts

Symptoms usually startAdult

GARD doesn't describe a cause for this condition yet. Having sickle cell trait is a risk factor.

Kidney

Also known as: carcinoma of renal medulla; renal medulla carcinoma; renal medullary carcinoma

Patient organizations

Source: NIH GARD · Kidney medullary carcinomaGARD ID 13175 · 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 Kidney medullary carcinoma.

Explore the Kidney medullary carcinoma blog

Explore research for Kidney medullary carcinoma

Explore actively recruiting Kidney medullary carcinoma studies with HealthSpark.

HealthSpark

Find actively recruiting studies for Kidney medullary carcinoma with HealthSpark. Share your city to explore research near you.

  • Recruiting studies from ClinicalTrials.gov
  • Share your city to look for research near you
  • Eligibility is confirmed by the study team

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Powered by HealthSpark, our AI chat helper · Study information from ClinicalTrials.gov · Eligibility is confirmed by the study team.

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