VALIDATION OF TUNING FORK TEST IN STRESS FRACTURES AND ITS COMPARISON WITH RADIONUCLIDE BONE SCAN

Authors

  • Syeda Tatheer Fatima
  • Asif Jeilani
  • Mazhar -ud- Duha
  • Nadeem Zia Abbasi
  • Amjad Aziz Khan
  • Kamran Khan
  • Abdul Samad Sheikh
  • Furqan Ali
  • Khalid Hussain Memon

Abstract

Background: Stress fractures are quite common both in athletes and military recruits. The purpose ofthe study was to evaluate the efficacy of tuning fork in stress fractures by comparing it with three phasebone scan. Methods: The current study examined 55 subjects whose age ranged 18–28 years. X-rays ofall the subjects were unremarkable. After history and clinical examination tuning fork test (TFT) wasperformed on each case by placing 128 Hertz vibrating tuning fork on the site of pain (underlying bonysurface) of tibia or fibula. Each case was scanned using triple phase bone scintigraphy. Results: Fiftyfive patients had a total of 67 stress fractures, out of which 53 were picked up by TFT. Sensitivity of TFTwas found to be 79% and specificity of 63%. Positive and negative predictive values were 88% and 46%respectively. Conclusion: Tuning fork test is a simple and easy approach of diagnosing stress fractureswhich can be performed even by athletics and military trainers. Management should be initiated inpatients who have history of stress related below-knee pain and positive tuning fork test without waitingfor bone scintigraphy. For complicated cases the bone scan is the gold standard for diagnosis.Keywords: stress fracture, bone scan, tuning fork test

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Published

2012-12-01

Issue

Vol. 24 No. 3-4 (2012): JOURNAL OF AYUB MEDICAL COLLEGE, ABBOTTABAD

Section

ORIGINAL ARTICLE

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