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类风湿关节炎-希氏内科学教程(10)
文章点击率: 栏目点击率：	作者:刘湘源来自：风湿免疫科时间：2008-9-25

TABLE 286-4 -- SYNOVIAL FLUID FINDINGS IN RHEUMATOID ARTHRITIS AND OTHER FORMS OF ARTHRITIS
SYNOVIAL CHARACTERISTICS	RHEUMATOID ARTHRITIS	GOUT/PSEUDOGOUT	REITER'S/PSORIATIC ARTHRITIS	SEPTIC ARTHRITIS	OSTEOARTHRITIS, TRAUMATIC ARTHRITIS
Color	Yellow	Yellow-white	Yellow	White	Clear, pale yellow, or bloody
Clarity	Cloudy	Cloudy-opaque	Cloudy	Opaque	Transparent
Viscosity	Poor	Poor	Poor	Poor	Good
Mucin clot	Poor	Poor	Poor	Poor	Good
White blood cell count/mm³	3000-50,000	3000-50,000 or higher	3000-50,000 or higher	50,000-300,000	<3000
% Polymorphonuclear leukocytes	>70	>70	>70	>90	<25
Glucose levels	10-25% less than serum ^*	10-25% less than serum	10-25% less than serum	70-90% less than serum	5-10% less than serum
Total protein	>3.0 g/dL	>3.0 g/dL	>3.0 g/dL	>3.0 g/dL	1.8-3.0 g/dL
Complement	Low	Normal	High	High	Normal
Microscopic features	"RA cells"	MSU and CPPD crystals	"Reiter's cells"	Microbes (Gram stain)	Cartilage fibrils
Culture	Negative	Negative	Negative	Positive	Negative
IF, EM, and/or PCR for bacteria	Negative	Negative	Positive	Positive	Negative
MSU = monosodium urate; CPPD = calcium pyrophosphate dihydrate; IF = immunofluorescence; EM = electron microscopy; PCR = polymerase chain reaction.