I-Naphthyl acetate esterase isoenzymes in synovial fluids and radiography of temporomandibular and knee joints.
Esterase isoenzymes of synovial fluids were presented in cases of pain-dysfunction syndrome, osteoarthrosis, osteochondroma, malignant fibrous histiocytoma of temporomandibular joint, and hemarthrosis, rheumatoid arthritis of the knee joint. Radiographic features of them were also comparatively presented in several cases. The electrophoretogram of I-Naphthyl acetate esterase of pain-dysfunction syndrome showed the esterase-I, while when inflammatory process developed at joints, electrophoretic pattern of synovial fluids revealed a rather similar feature of sera with variable stainabilities of esterase-I, and -III, irrespective of any inflammation. Osteochondroma showed two components of esterase-I and -III, on the other hand malignant fibrous histiocytoma presented esterase-I and -III in the early stage but a more complicated pattern in recurrence. Among these conditions, the most similarity between synovial fluid and serum was demonstrated in the case of hemarthrosis on the electrophoretogram of I-Naphthyl acetate esterases.[1]References
- I-Naphthyl acetate esterase isoenzymes in synovial fluids and radiography of temporomandibular and knee joints. Yoshimura, Y., Takada, K. International journal of oral surgery. (1980) [Pubmed]
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