What is lateral epicondylitis (tennis elbow)?

Updated: Oct 30, 2018
  • Author: Bryant James Walrod, MD; Chief Editor: Craig C Young, MD  more...
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Answer

The most common overuse syndrome is related to excessive wrist extension and commonly referred to as “tennis elbow,” but it is actually more common in non-tennis players. It is also commonly referred to as lateral epicondylitis, but this is usually a misnomer because, in general, microscopic evaluation of the tendons does not show signs of inflammation, but rather angiofibroblastic degeneration and collagen disarray. Light microscopy reveals both an excess of fibroblasts and blood vessels that are consistent with neovessels or angiogenesis. [1]


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