Diffuse Idiopathic Skeletal Hyperostosis

- Discussion:
    - also known as Forestier's disease;
    - disease involves non-marginal syndesmophytes present at at three successful vertebral levels;
          - commonly there will be no disc & joint narrowing & nor osteoarthritis;
          - differentiated from AS, w/ marginal syndesmophytes;
    - more common in elderly men;
    - DISH is associated w/ low back pain and is more common in patients w/ diabetes and gout;
    - prevelance of DISH may be as high as 28%;

- Associated Conditions:
    - associatted with extrapsinal ossification in large joints;
    - osteophytes are seen at extravertebral sites, esp margins of large joints;
    - increased risk of hetertopic ossification following THR;

- Location of Syndesmophytes:
    - can occur anywhere in the spine;
    - most common in thoracic spine;
    - more often seen on the right side;
    - cervical spine involvement:
          - frequently involved;
          - characterized by thick, wavy ossification of anterior longitudinal ligament;
          - relative preservation of the disk spaces;
          - no vaccum phenomena or vertebral end plate sclerosis

Hyperextension Injuries of the Thoracic Spine in Diffuse Idiopathic Skeletal Hyperostosis.  Report of Four Cases.

Original Text by Clifford R. Wheeless, III, MD.

Last updated by Data Trace Staff on Friday, April 13, 2012 11:44 am