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The surgical specimens were interpreted as abnormal in all 11 specimens, and all 12 of the control specimens were reported as being without histologic abnormality. Vascular proliferation was present in 10 of 11 and focal hyaline degeneration was recorded in all 11 of the surgical specimens. Neither feature was present in any of the control material (P &lt; 0.001). These data suggest that chronic refractory lateral epicondylitis requiring sur gery is a degenerative rather than inflammatory proc ess. This may account for the lack of response to rest and antiinflammatory medication.<\/jats:p>","DOI":"10.1177\/036354659202000618","type":"journal-article","created":{"date-parts":[[2007,6,21]],"date-time":"2007-06-21T20:46:52Z","timestamp":1182458812000},"page":"746-749","source":"Crossref","is-referenced-by-count":298,"title":["Microscopic histopathology of chronic refractory lateral epicondylitis"],"prefix":"10.1177","volume":"20","author":[{"given":"William","family":"Regan","sequence":"first","affiliation":[{"name":"private practice, London, Ontario, Canada"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lester E.","family":"Wold","sequence":"additional","affiliation":[{"name":"Division of Pathology, Mayo Clinic and Mayo Foundation, Rochester, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ralph","family":"Coonrad","sequence":"additional","affiliation":[{"name":"private practice, Durham, North Carolina"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Bernard F.","family":"Morrey","sequence":"additional","affiliation":[{"name":"Department of Orthopaedics, Mayo Clinic and Mayo Foundation, Rochester, Minnesota"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"179","published-online":{"date-parts":[[1992,11]]},"reference":[{"key":"e_1_2_1_1_1","first-page":"729","volume":"54","year":"1972","unstructured":"Balasubramaniam P., Prathap K. 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