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Related Experiment Videos

Preiser's disease: identification of two patterns.

David M Kalainov1, Mark S Cohen, Ronald W Hendrix

  • 1Northwestern University, the Feinberg School of Medicine, Chicago, IL, USA.

The Journal of Hand Surgery
|September 26, 2003
PubMed
Summary

Preiser's disease has two patterns: diffuse scaphoid necrosis (Type 1) and partial vascular impairment (Type 2). Type 2, linked to wrist trauma, shows better outcomes with less scaphoid deterioration.

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Area of Science:

  • Orthopedic Surgery
  • Radiology
  • Hand Surgery

Background:

  • Preiser's disease involves avascular necrosis of the scaphoid bone.
  • Understanding distinct patterns of scaphoid involvement is crucial for predicting outcomes.

Purpose of the Study:

  • To compare complete versus partial vascular impairment in Preiser's disease using MRI.
  • To differentiate between two potential categories of scaphoid osteonecrosis.

Main Methods:

  • Retrospective review of 19 patients with Preiser's disease.
  • Classification into Type 1 (diffuse necrosis/ischemia) and Type 2 (segmental vascular impairment) based on MRI.
  • Analysis of risk factors, treatments, and serial radiographs.

Main Results:

Related Experiment Videos

  • Type 1 involved 100% of the scaphoid; Type 2 involved ~42%.
  • Type 1 cases often led to scaphoid fragmentation and collapse.
  • Type 2 cases showed minimal architectural alteration, better treatment outcomes (86 vs 58 Mayo scores), and a history of trauma.

Conclusions:

  • Two patterns of scaphoid involvement in Preiser's disease are supported by MRI findings.
  • Type 1 (entire scaphoid) is prone to deterioration.
  • Type 2 (partial scaphoid) is associated with trauma history and better clinical outcomes.