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Related Concept Videos

Diabetic Foot Ulcer01:31

Diabetic Foot Ulcer

Definition A diabetic foot ulcer (DFU) is a chronic, non-healing wound that develops in individuals with diabetes. It typically occurs on pressure-bearing areas such as the heel, metatarsal heads, or hallux, and carries a high risk of infection and amputation.Pathophysiology • The development of DFUs can be explained by four interconnected mechanisms: neuropathy, ischemia, infection, and impaired wound healing. • Neuropathy is the most common factor. Sensory neuropathy reduces pain perception,...
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Clinical manifestationsPeripheral Arterial Disease (PAD) manifests through a range of symptoms, from the characteristic intermittent claudication to atypical presentations and severe complications in advanced stages. Intermittent claudication, a hallmark symptom of PAD, presents as exercise-induced muscle pain that typically resolves within minutes of rest. This pain is reproducible and stems from inadequate blood flow, leading to the accumulation of lactic acid produced during anaerobic...

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Current concepts in imaging diabetic pedal osteomyelitis.

Andrea Donovan1, Mark E Schweitzer

  • 1Department of Medical Imaging, Sunnybrook Health Sciences Centre, Room AG 278, 2075 Bayview Avenue, Toronto, Ontario M4N 3M5, Canada. andrea.donovan@sunnybrook.ca

Radiologic Clinics of North America
|November 29, 2008
PubMed
Summary

Diabetic pedal osteomyelitis, often stemming from foot ulcers and infections, is linked to poor blood flow and nerve damage. Magnetic Resonance (MR) imaging is crucial for diagnosing this condition and guiding treatment to preserve the limb.

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Area of Science:

  • Orthopedics
  • Vascular Surgery
  • Radiology

Background:

  • Diabetic pedal osteomyelitis is a serious complication of diabetes mellitus.
  • It results from vascular insufficiency, leading to tissue ischemia, neuropathy, and secondary infection.
  • Osteomyelitis typically originates from contiguous diabetic foot ulcers and soft tissue infections.

Purpose of the Study:

  • To highlight the role of Magnetic Resonance (MR) imaging in diagnosing diabetic pedal osteomyelitis.
  • To emphasize the importance of MR imaging in assessing associated soft tissue complications.
  • To underscore the utility of MR imaging in guiding patient management and surgical interventions for limb preservation.

Main Methods:

  • Review of current literature and clinical practice guidelines regarding diabetic pedal osteomyelitis.
  • Emphasis on the diagnostic capabilities of MR imaging in differentiating osteomyelitis from other pedal pathologies.
  • Discussion of MR imaging sequences and findings indicative of bone and soft tissue infection.

Main Results:

  • MR imaging is the preferred modality for detecting diabetic pedal osteomyelitis.
  • It accurately assesses the extent of bone and soft tissue involvement.
  • MR imaging findings correlate with clinical presentation and guide therapeutic decisions.

Conclusions:

  • Diabetic pedal osteomyelitis requires prompt diagnosis and management.
  • MR imaging is indispensable for accurate assessment and effective treatment planning.
  • Early and precise diagnosis using MR imaging can aid in limb salvage and reduce amputation rates.