Short answer · Medically reviewed summary · Last updated: 2026-05-08
Wilms tumor, also known as nephroblastoma, is the most common primary malignant renal tumor in children. While "Wilms tumor" is the standard clinical term, you may encounter various synonyms in medical literature or older records, all referring to this specific embryonic kidney malignancy. What are the common synonyms for Wilms tumor? The primary synonym for Wilms tumor is nephroblastoma.
Wilms Tumor synonyms
Other names for Wilms Tumor: synonyms, acronyms and related terms used by doctors and patients.
Wilms tumor, also known as nephroblastoma, is the most common primary malignant renal tumor in children. While "Wilms tumor" is the standard clinical term, you may encounter various synonyms in medical literature or older records, all referring to this specific embryonic kidney malignancy.
What are the common synonyms for Wilms tumor?
The primary synonym for Wilms tumor is nephroblastoma. Because the condition originates from primitive renal elements, it is sometimes referred to in older or specialized literature by the following terms:
- Nephroblastoma: The most widely recognized alternative term.
- Embryoma of the kidney: A historical term describing its embryonic origin.
- Adenomyosarcoma: An archaic term rarely used in modern clinical practice.
- Wilms' tumor: The possessive form, often used in older textbooks honoring Max Wilms, who provided the first comprehensive description in 1899.
Why does Wilms tumor have multiple names?
The nomenclature for Wilms tumor has evolved alongside our understanding of its histology. Historically, the disease was named after the physicians who first described it, such as Max Wilms. As diagnostic pathology improved, the term "nephroblastoma" became preferred because it accurately describes the tumor's origin from undifferentiated nephrogenic cells. Today, Wilms tumor is the standard term used in both oncology and pediatric practice, while nephroblastoma is frequently used in pathology reports.
How is the condition classified officially?
International medical bodies use specific codes to ensure consistency across records for Wilms tumor:
- ICD-10/11: Classified under malignant neoplasms of the kidney (C64).
- OMIM: Indexed as #194070, reflecting the genetic susceptibility associated with the WT1 gene.
- Orphanet: Listed under ORPHA:911, identifying it as a rare disease for which global registry data is maintained.
Next steps
- Consult a pediatric oncologist to clarify your child's specific pathology report if multiple terms are listed.
- Join the 18 members in the Wilms tumor community at DiseaseMaps.org to share experiences and find support.
- Visit the National Wilms Tumor Study Group (NWTSG) archives for the most accurate clinical protocols.
Medical disclaimer: This content is for informational purposes only and does not constitute medical advice, diagnosis, or treatment; always seek the advice of a qualified healthcare provider with any questions regarding a medical condition.
References
- National Institutes of Health (NIH) GARD: Wilms Tumor.
- Orphanet: Nephroblastoma (ORPHA:911).
- OMIM (Online Mendelian Inheritance in Man): Wilms Tumor 1 (#194070).
- American Cancer Society: What is Wilms Tumor?
