Document Detail

Chronic Achilles tendinopathy. A survey of surgical and histopathologic findings.
MedLine Citation:
PMID:  7634699     Owner:  NLM     Status:  MEDLINE    
The surgical findings and the histopathology are reported for 163 patients (134 males, 29 females; mean age, 38 years; range, 13-72 years; 75% athletes) with chronic Achilles tendinopathy. Biopsy specimens from symptomatic (155 cases) and nonsymptomatic (90 cases) parts of the tendon and from the paratenon (97 cases) were obtained. Surgical reports were reviewed and histopathology was evaluated according to a standardized protocol. Eighteen tendons also were analyzed by immunofluorescence for fibrinogen, immunoglobulins, and complement. Degenerative changes (tendinosis) characterized by abnormal fiber structure, focal hypercellularity, and vascular proliferation were noted in 90% of biopsy specimens from symptomatic parts of the tendons and, to a lesser degree, in 20% from nonsymptomatic parts. Fibrinogen could be identified in most lesion biopsy specimens. Partial tendon ruptures were present in 19% of the patients and always occurred in areas afflicted with tendinosis. The paratenon was mostly normal or revealed only slight changes. Increasing age and male gender were associated with more pronounced histopathologic changes. Tendinosis, sometimes complicated by partial rupture, appears to be the major lesion in chronic Achilles tendinopathy; the paratenon is rarely involved. Important features are a lack of inflammatory cells and a poor healing response.
M Aström; A Rausing
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Publication Detail:
Type:  Journal Article; Research Support, Non-U.S. Gov't    
Journal Detail:
Title:  Clinical orthopaedics and related research     Volume:  -     ISSN:  0009-921X     ISO Abbreviation:  Clin. Orthop. Relat. Res.     Publication Date:  1995 Jul 
Date Detail:
Created Date:  1995-09-14     Completed Date:  1995-09-14     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0075674     Medline TA:  Clin Orthop Relat Res     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  151-64     Citation Subset:  AIM; IM    
Department of Orthopaedics, Malmö General Hospital, Lund University, Sweden.
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MeSH Terms
Achilles Tendon* / injuries
Age Factors
Chronic Disease
Middle Aged
Tendinopathy / pathology*,  surgery*

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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