if a patient with DISH sustains spine fractures are at increased risk of instability due to ligamentous calcification and increased deforming forces secondary to vertebral ankylosis
there is evidence that surgical treatment of cervical fractures in elderly patients with DISH correlates with a 15% rate of mortality compared to 67% after conservative treatment, highlighting the importance of prompt diagnosis, evaluation, and treatment after trauma in patients with DISH (1)
heterotopic ossification is a frequent complication following total hip arthroplasty in patients with DISH (30 t0 56%) - compares to 10 to 22% in patients without DISH
Reference:
Meyer PR. Diffuse idiopathic skeletal hyperostosis in the cervical spine. Clin. Orthop. Relat. Res. 1999 Feb;(359):49-57.
David Luo T, Varacallo M. Diffuse Idiopathic Skeletal Hyperostosis (DISH). StatPearls.
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