Correlation between arthroscopically observed changes and synovial light microscopic findings in osteoarthritic temporomandibular joints

The aim of this study was to determine the correlation between arthroscopically observed (ASC) changes in the synovial membrane and other joint components and synovial light microscopic (LM) findings in the temporomandibular joint (TMJ). Synovial membrane biopsies were obtained during unilateral art...

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Bibliographic Details
Published in:International journal of oral and maxillofacial surgery 1999-04, Vol.28 (2), p.83-89
Main Authors: Dijkgraaf, Leonore C., Liem, Robert S.B., van der Weele, Leo Th, de Bont, Lambert G.M.
Format: Article
Language:English
Subjects:
01 light microscopy
Adult
Arthroscopes
arthroscopy
Arthroscopy - methods
Arthroscopy - statistics & numerical data
Biological and medical sciences
Biopsy - methods
Dentistry
Facial bones, jaws, teeth, parodontium: diseases, semeiology
Female
Humans
Male
Medical sciences
Microscopy
Non tumoral diseases
Osteoarthritis - pathology
Otorhinolaryngology. Stomatology
Patient Selection
Statistics, Nonparametric
synovial membrane
Synovial Membrane - pathology
Temporomandibular Joint - pathology
Temporomandibular Joint Disorders - pathology
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Summary:The aim of this study was to determine the correlation between arthroscopically observed (ASC) changes in the synovial membrane and other joint components and synovial light microscopic (LM) findings in the temporomandibular joint (TMJ). Synovial membrane biopsies were obtained during unilateral arthroscopy in forty patients. Thirty-one patients were diagnosed with TMJ osteoarthritis (OA) and nine patients with non-osteoarthritic conditions of their TMJs. Correlations between ASC and synovial LM findings were analyzed with Cohen's Kappa and Spearman's rank correlation tests. Values for Kappa of 0.6 and higher and values for a correlation coefficient of 0.7 and higher were considered satisfactory. No correlations were found in the retrodiscal tissue biopsies. In the anterodiscal tissue biopsies, ASC hypervascularity correlated with LM intima cell shape and cell density. ASC lowered attachment to the anterior slope of the articular eminence correlated with the LM presence of a fibrous intima matrix. In several TMJs, a high concurrence was observed between ASC and LM pathologic changes. The severity of pathologic changes as observed by LM was, however, often less than was suggested arthroscopically.
ISSN:0901-5027
1399-0020
DOI:10.1016/S0901-5027(99)80198-2