The Hip - book

Psoriatic Arthritis

(see also: Spondyloarthropathies) Discussion psoriasis affects 1-2 % of U.S. population & typically presents w/ well-defined erythematous scaly plaques; only a minority of pts with psoriasis develop arthritis; when arthritis develops, it most often is an asymmetrical oligoarthritis, which at times may be quite destructive; some patients may develop spondylitis (usually will have HLA-B27 antigen); … Read more

Ankle Arthroscopy

Discussion indicated for symptomatic soft tissue impingement, synovitis: specific lesions amenable to arthroscopic debridement include: osteochondral lesions; meniscoid lesion in anterolateral gutter; mass of fibrocartilagenous tissue arising from the tibio-fibular joint will protrude into the joint; patients will note anterolateral ankle pain, popping, and giving way; anterior impingement snydrome of the ankle thickening of antero-inferior … Read more

Pseudogout and Chondrocalcinosis

Discussion acute arthritis caused by CPPD crystal-induced inflammation; almost as common as gout & may perfectly mimic gout during acute flare; pseudogout attacks occurring before age 50 are uncommon; see: pseudogout occurence after joint replacement references: A histological study of calcium pyrophosphate dihydrate crystal-deposition disease. Clinical features of pseudogout attack. A survey of 50 cases. … Read more


Discussion OA is defined as a chronic irreversible degenerative disease of articular cartilage predisposing conditions pathology and histology clinical features laboratory aspects Osteoarthritis of the Knee » Hip Osteoarthritis clinical features pain on wt-bearing felt in the groin, buttock, or medial thigh; trendelenburg gait will decrease mechanical stress on joint and thereby lessen pain (see … Read more

Juvenile Rheumatoid Arthritis

Discussion JRA is a persistent non infectious arthritis lasting more than 6 wks to 3 months after other possible etiologies have bee ruled out; most common chronic childhood rheumatoid dz; affects girls more than boys; synovial proliferation leads to joint destruction (chondrolysis) & soft tissue destruction; severe joint destruction is seen in only 5% of … Read more

Synovial Fluid

General Discussion of Synovial Fluid (see also: glycosaminoglycans and proteoglycans; friction and lubrication) synovial fluid is an ultrafiltrate of blood plasma plus hyaluronic acid and glycoproteins; synovial fluid resembles material in interstices of loose connective tissue in respect to both components; rate and method of passage of substances into & out of synovial fluid depend … Read more

Ankylosing Spondylitis (AS)

(see also: Spondyloarthropathies) Discussion affects young men (ages 15 to 25 years), but may also begin in middle-aged men; disease is often more severe when it occurs early in life; disease characterized by insidious onset of pain and stiffness in lower back associated w/ gradual loss of spinal mobility; illness may cause inflammation in uveal tract … Read more