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Common Diseases and Disorders of the Skeletal System. Arthritis Osteoarthritis Degenerative joint disease (DJD) Weight-bearing joints Rheumatoid arthritis Chronic systemic inflammatory disease Smaller joints and surrounding tissues.
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Common Diseases and Disorders of the Skeletal System • Arthritis • Osteoarthritis • Degenerative joint disease (DJD) • Weight-bearing joints • Rheumatoid arthritis • Chronic systemic inflammatory disease • Smaller joints and surrounding tissues
Common Diseases and Disorders of the Skeletal System (cont.) • Bursitis – inflammation of the bursa • Ewing sarcoma family of tumors (ESFT) • Primarily affect bone • Usually lower extremities • Gout – deposits of uric acid crystals in joints
Common Diseases and Disorders of the Skeletal System (cont.) • Kyphosis – humpback • Lordosis –swayback • Osteogenesis imperfecta – brittle-bone disease • Osteoporosis – thin, porous bones
Common Diseases and Disorders of the Skeletal System (cont.) • Osteosarcoma – bone cancer from osteoblasts • Paget’s disease – bones enlarge, become deformed, and weak • Scoliosis – an abnormal S-shaped curvature of the spine
Apply Your Knowledge What is the difference between osteoarthritis and rheumatoid arthritis? Osteoarthritis is a degenerative joint disease that primarily affects weight-bearing joints. • Rheumatoid arthritis chronic systemic inflammatory disease of smaller joints and surrounding tissues; it is thought to be an autoimmune disease. Nice Work!