Orthopedics Book

Infectious Disease

  • Probe-to-Bone Test



Probe-to-Bone Test

Aka: Probe-to-Bone Test, Probe To Bone Test
  1. Indications
    1. Evaluation for Osteomyelitis
    2. Most commonly indicated in Diabetic Foot Ulcers
  2. Technique
    1. Insert sterile blunt probe into ulcerated lesion
    2. Positive test: probe contacts bone
      1. Suggests Osteomyelitis
  3. Efficacy: Diabetes Mellitus pedal ulcers
    1. Test Sensitivity: 66%
    2. Test Specificity: 85%
    3. Positive Predictive Value: 57-89%
    4. Negative Predictive Value: 56%
  4. References
    1. Grayson (1995) JAMA 273(9): 721-3 [PubMed]
    2. Lavery (2007) Diabetes Care 30(2): 270-4 [PubMed]

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