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Chondrosis

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Chondrosis

Chondrosis, also called chondromalacia, is a softening or loss of smooth cartilage, most frequently that which covers the back of the kneecap. The softened cartilage may cause pain whenever pressure is applied to the underside of the kneecap during activities such as kneeling, going down stairs, or sitting for long periods.

Current as of: May 1, 2026

Author: WebMD Ignite Staff

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This information does not replace the advice of a doctor. WebMD Ignite, disclaims any warranty or liability for your use of this information. Your use of this information means that you agree to the Terms of Use. Learn how we develop our content.

NOTICE: This health information was not created by Columbia University Irving Medical Center and may not necessarily reflect specific CUIMC practices. For medical advice to your personal condition, please consult your doctor. Medical advice disclaimer.