Rheumatoid Arthritis
In the practice of rheumatology, rheumatoid arthritis is considered the everyday disease. It is a symmetrical arthritis of the appendicular skeleton, sparing the axial skeleton except for the cervical spine….
Osteoarthritis
Osteoarthritis is the most common arthropathy. Although many arthropathies lead to secondary osteoarthritic changes, this chapter deals with primary osteoarthritis and osteoarthritis secondary to alteration of normal mechanics across a…
Juvenile Idiopathic Arthritis
There are a variety of disorders that affect the joints in children. In the past all of the disorders have been lumped together and labeled juvenile rheumatoid arthritis. Although each…
Hemophilia
The joint changes in hemophilia are secondary to chronic repetitive hemarthrosis and intraosseous bleeding. Hemarthrosis occurs in 75 to 90 percent of patients with hemophilia. The first bleed usually occurs…
Ankylosing Spondylitis
Ankylosing spondylitis is the chronic inflammatory disease that affects primarily the axial skeleton and only secondarily the appendicular skeleton. It is seen predominantly in males between the ages of 15…
Diffuse Idiopathic Skeletal Hyperostosis
Diffuse idiopathic skeletal hyperostosis (DISH), also known as ankylosing hyperostosis or Forestier disease, is not an arthropathy. The articular cartilage, adjacent bone margins, and synovium are not affected. DISH appears…
Hydroxyapatite Deposition Disease
Hydroxyapatite deposition disease (HADD) is an extremely common disorder causing periarticular disease in the form of tendinitis or bursitis. Only rarely does it cause true articular disease. Calcium hydroxyapatite deposits…
Collagen Vascular Diseases (Connective Tissue Diseases)
The collagen vascular diseases (connective tissue diseases) are a group of diseases that have multiple, varied systemic manifestations. Articular symptoms play a minor role in the total clinical picture and…
The Sacroiliac Joint
The sacroiliac (SI) joint is perhaps the most difficult joint in the skeleton to image adequately to make an accurate diagnosis of a disorder affecting it. This is partially due…
Neuropathic Osteoarthropathy
Neuropathic osteoarthropathy presents the most dramatic radiographic picture of all of the arthropathies. As a result, it may produce a diagnostic dilemma. Although it is known that various neurological disorders…
