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History of coronary artery disease and prior coronary stents presenting with chest pain.
These images from Cedar Sinai software showing the cardiac borders on stress gated images are not contoured correctly.
So the software gives the mask failure error and so study has to be reprocessed correctly.
Below it was processed on 4 DM software.
4 DM software showing that the contours of the heart borders are correct and the ejection fraction was calculated adequately.
Important to recognize mask failure errors in post processing. Here it is obvious and there are times it will be more subtle and may alter our impression.
- 1. Xu Y, Kavanagh P, Fish M, Gerlach J, Ramesh A, Lemley M, Hayes S, Berman DS, Germano G, Slomka PJ. Automated quality control for segmentation of myocardial perfusion SPECT. (2009) Journal of nuclear medicine : official publication, Society of Nuclear Medicine. 50 (9): 1418-26. doi:10.2967/jnumed.108.061333 - Pubmed