类风湿性关节炎是一种发病原因尚不明确的慢性多关节炎症,不仅侵犯关节、肌肉、肌腱,而且可累及全身各个脏器。从患者的发病之日起,约在10年内,便有60％的病人因此病致残。此病虽可发生于任何年龄,但以40～50岁人群为多。 类风湿性关节炎最重要的早期信号是晨僵,即早晨起床时感到某些关 Rheumatoid arthritis is a chronic multi-joint inflammation whose cause is unknown. It not only affects the joints, muscles and tendons, but also affects various organs of the body. From the date of onset of the patient, about 60% of the patients became disabled in about 10 years. Although the disease can occur at any age, but more than 40 to 50-year-old population. The most important early sign of rheumatoid arthritis is morning stiffness, which is felt when getting up in the morning