Pediatric Radiology

, Volume 15, Issue 6, pp 381–383 | Cite as

The analytical sensitivity of Tc99m radionuclide ‘milk’ scanning in the detection of gastro-oesophageal reflux

  • J. Y. Paton
  • P. S. Cosgriff
  • C. S. Nanayakkara
Originals

Abstract

The analytical sensitivity of radionuclide ‘milk’ scans for detecting gastro-oesophageal reflux (GOR) has been assessed using an in vitro simulation test. Five factors were found to affect the ability to detect simulated reflux: isotope concentration, absolute gamma camera sensitivity, absorber thickness overlying the ‘oesophagus’ and volume and duration of reflux. We found that a critical volume-duration product must be exceeded for reflux to be detected. Radionuclide milk scanning appears to be much less sensitive in detecting transient events like GOR than might be expected from previously reported static simulation studies.

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Copyright information

© Springer-Verlag 1985

Authors and Affiliations

  • J. Y. Paton
    • 1
  • P. S. Cosgriff
    • 2
  • C. S. Nanayakkara
    • 1
  1. 1.Department of Child HealthUniversity of LeicesterLeicesterUK
  2. 2.Medical Physics DepartmentLeicester Royal InfirmaryLeicesterUK

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