What is Osgood-Schlatter disease?

Also known as: OSD

Osgood-Schlatter disease is an irritation of the growth center at the knee joint. This occurs in adolescents as they experience the growth spurt related to puberty. The primary sign is a lump below the kneecap bone that causes pain.


Reviewed by: Craig Spurdle, MD

This page was last updated on: 1/29/2019 3:21:13 PM

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