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Dictionary of Cancer Terms

View in Spanish: Cuerpo del psamoma

Psammoma body (sam-OH-muh BAH-dee)
A structure found in some benign (not cancer) or malignant (cancer) tumor cells. Psammoma bodies look like hardened concentric rings when viewed under a microscope. They can be a sign of chronic inflammation.

Source: National Cancer Institute Dictionary of Cancer Terms, available at www.cancer.gov/dictionary.