Pediatric Radiology

, Volume 47, Issue 12, pp 1599–1607 | Cite as

Stomach frame-count-based attenuation correction of dynamic posterior view gastric emptying scintigraphy with continuous acquisition in children

  • Xinhua Cao
  • Xiaoyin Xu
  • Laura Drubach
  • Frederic H. Fahey
Original Article



When performing dynamic gastric emptying scintigraphy with continuous acquisition in children, a single posterior view acquisition is preferred because it allows the young patient to more easily interact with a parent or technologist even though this method tends toward overestimating gastric emptying.


The objective of our study was to develop a new attenuation correction (AC) method to improve the accuracy of the time activity curve and the measurement of residual gastric emptying from 1-h posterior images of gastric emptying scintigraphy with continuous acquisition.

Materials and methods

We developed a frame-count-based AC for gastric emptying scintigraphy from the posterior view (posterior AC method). We retrospectively reviewed 122 gastric emptying studies performed in children using conjugated posterior and anterior views, and evaluated the statistical differences between posterior only (without AC) and posterior AC using the geometric mean method as a reference standard.


The residual values obtained using posterior AC were not significantly different (P=0.813) compared to those using the geometric mean while the values using the posterior only were significantly different (P<0.001) from the geometric mean.


The proposed method can replace the geometric mean method to estimate gastric emptying residual fraction using patient-friendly posterior view without a significant difference in 1-h gastric emptying scintigraphy with continuous acquisition.


Attenuation correction Children Gastric emptying scintigraphy Geometric mean Posterior view 



The work of Dr. Xiaoyin Xu was supported by the National Institutes of Health grant R01LM011415.

Compliance with ethical standards

Conflicts of interest



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Copyright information

© Springer-Verlag GmbH Germany 2017

Authors and Affiliations

  1. 1.Department of Radiology, Division of Nuclear Medicine and Molecular ImagingBoston Children’s Hospital and Harvard Medical SchoolBostonUSA
  2. 2.Department of RadiologyBrigham and Women’s Hospital and Harvard Medical SchoolBostonUSA

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