1. Osteoarthritis: The pathological changes include degeneration of articular cartilage, bone proliferation, and osteophyte formation. It is a localized disease that commonly affects distal interphalangeal joints, knee joints, hip joints, first metatarsophalangeal joints, cervical and lumbar vertebrae, but does not affect wrist or ankle joints. Pain worsens after activity and lessens with rest, without fever. Erythrocyte sedimentation rate (ESR) is normal, rheumatoid factor is negative, and stiffness may occur after resting before starting activities, usually lasting less than 30 minutes.
2. Gout: This is a group of diseases caused by purine metabolism disorder leading to elevated blood uric acid levels. Blood uric acid >600-700, most commonly affecting the first metatarsophalangeal joint, it can also invade ankle, knee, elbow, wrist, and finger joints, often as non-symmetric single joint involvement. Shoulder, hip, and spinal joints are less frequently affected.
4. Rheumatoid Arthritis: The basic pathological change is synovitis, where abnormal hyperplasia of the joint synovium forms villous-like projections into the joint cavity, invading joint cartilage, subchondral bone, ligaments, tendons, etc., causing destruction of joint cartilage, bone, and joint capsule, ultimately leading to joint deformity and functional loss.
5. Seronegative Spondyloarthropathy: Refers to a group of diseases with similar characteristics that are rheumatoid factor negative, including ankylosing spondylitis, psoriatic arthritis, enteropathic arthritis, Reiter's syndrome, reactive arthritis.
The above are the classification types of arthritis. Through the introduction of clinical experts from Chongqing St. Paul Orthopedic Hospital (Chongqing Orthopedic Hospital), we believe you have gained some understanding of the classification of arthritis. If you still have any questions about the classification of arthritis, please consult the online clinical experts from Chongqing St. Paul Orthopedic Hospital (Chongqing Orthopedic Hospital).
There are many classifications of arthritis, but many patients are not very familiar with the classification of arthritis. So, what exactly are the classifications of arthritis? Below, the clinical experts from Chongqing St. Paul Orthopedic Hospital (Chongqing Orthopedic Hospital) will provide a detailed introduction to the classification types of arthritis.
3. Juvenile Chronic Arthritis, also known as Juvenile Rheumatoid Arthritis: Onset age under 6 weeks, affecting single or multiple joints.
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