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A brief overview of the types of arthritis

Osteoarthritis: The most common. This can happen at any joint of the body and usually occurs with age in places with increased stress due to biomechanics or injury. http://www.arthritis.org/osteoarthritis.phpRheumatoid arthritis: Onset is usually between 20-60 years old and more predominant in women if it begins early but equal if it begins after 40 years old. There is symmetric joint pain in the extremities and eventually causes deformity. http://www.arthritis.org/rheumatoid-arthritis.php Gout: This affects males more often in their 40s and 50s. Flare-ups occur due to deposition of uric acid crystals in joints which cause severe swelling in joints, usually in the lower extremities. http://www.arthritis.org/disease-center.php?disease_id=42 Juvenile rheumatoid arthritis: Begins most often in females less than 16 years old. Signs and symptoms include joint pain, fever, and rash. http://www.arthritis.org/disease-center.php?disease_id=38 Psoriatic arthritis: Begins between ages 20 to 50 usually and equal among sexes. Scaly skin lesions often present (psoriasis). Pain and eventual deformities are seen in peripheral joints. Nail changes occur in 80% of patients. http://www.psoriasis.org/ Ankylosing spondylitis: Onset is between 15 to 35 years old and is predominantly found in males. Pain and stiffness usually starts in the low back (sacroiliac joints). This can be seen on x-ray in later stages and can be detected with blood tests. http://www.spondylitis.org/ Systemic Lupus Erythematosus: Found most often in women of child bearing age. This is a generalized connective tissue disorder that involves multiple organ systems of the body. There is a rash often looking like a butterfly on the face that is present and often brought on my sunlight. http://www.lupus.org/newsite/index.html Diffuse idiopathic skeletal hyperostosis (DISH): Often older than 50, predominantly male, up to 20% have diabetes, most common location is in the spine. http://www.mayoclinic.com/health/diffuse-idiopathic-skeletal-hyperostosis/DS00740 Reactive arthritis (Reiter’s syndrome): Age of onset 18 to 40 years old and almost always in males. Arthritis is usually found in the lower extremity. Pain is often accompanied by urethritis and conjunctivitis. http://www.arthritis.org/disease-center.php?disease_id=23 Scleroderma: More common in females from 30-50 years old. There is initial peripheral pain and swelling with a high correlation to Raynaud’s phenomenon. http://www.scleroderma.org/ Hydroxyapatite deposition disease: Most often occurs 40 to 70 years old. This involves calcification within soft tissue most commonly found in the shoulder, hip, and spine. http://en.wikipedia.org/wiki/Calcific_tendinitis

Information was obtained from Youchum and Rowe’s Essentials of Skeletal Radiology. This list is not exhaustive. It simply represents some of the more common arthritides.