Electronic off-peak status of one head of a dual-head gamma camera resulted in bone scintigraphy artifacts and faulty findings on gated myocardial SPECT

WJ Shih, T Schoenstra, K Gross… - Journal of nuclear …, 2003 - Soc Nuclear Med
Objective: Gamma cameras contain energy discriminators that allow only those photons within
a specified energy range to be recorded. A spontaneous shift in peak of 1 head of a dual-…

Duodenogastric reflux shown on raw data images on dual-isotope gated cardiac Tc-99m tetrofosmin SPECT in a patient with esophagectomy for Barrett esophagus

WJ Shih, PP Milan, GL Shih - Clinical nuclear medicine, 2005 - journals.lww.com
Extracardiac activity in the thorax can be malignant or benign on dual-isotope raw data images.
The authors present a postesophagectomy patient for Barrett esophagus that resulted in …

Illustrations of abdominal abnormalities on 99mTc tetrofosmin gated cardiac SPECT

WJ Shih, KA McFarland, V Kiefer… - Nuclear medicine …, 2005 - journals.lww.com
… We thank Estil Robinson for printing the digital images and Tom Schoenstra, Kelly Gross
and Judy Collin for their technological help during the preparation of this manuscript. …

[PDF][PDF] The effect of tumour geometry on the quantification accuracy of 99mTc and 123I in planar phantom images

K Ramonaheng - 2014 - scholar.ufs.ac.za
English: Accurate activity quantification is important for its application in radiation dosimetry.
Planar image quantification plays an important role in the quantification of whole body …

Contrast Evaluation for a Dual Head SPECT System with Different Energy PeakingDrift

S Ahmed, I Elsayed - Egyptian Journal Nuclear Medicine, 2011 - egyjnm.journals.ekb.eg
Gamma cameras contain energy discriminators that allow only those photons within a
specified energy range to be recorded. The process of setting this energy window is called “…