Thymoma is an uncommon tumour, which is often asymptomatic and may be detected coincidentally on cross-sectional imaging performed for other reasons. We report a case of thymoma detected on myocardial scintigraphy performed for suspected coronary artery disease. Extracardiac pathology may be suggested by abnormal non-cardiac tracer uptake on myocardial scintigraphy. An awareness of the potential causes of this is essential to allow potentially life threatening non-cardiac disorders to be recognized and treated promptly.
Using a one-day stress-rest Tc-tetrofosmin protocol, a fall in LV EF between rest and stress of> 11.6% or a TID ratio of > 1.23 is likely to be clinically reliable. The upper limit of normal for TID ratio needs to be increased for patients with small LV chamber volumes.
Introduction Vasodilator stress as part of MPS has existed for decades. There is wide national variation in procedural protocols with many centres advocating physician presence during stress MPS. The suggested safety profile of the adenosine-2A agonist Regadenoson lends itself to physiologist-led stress MPS without the need for physician presence. We investigated the Abstract 113 Figure 1 Kaplan Meier curve displaying time to death stratified by classification of myocardial infarction or myocardial injury. Log-rank test for comparison. ** denotes p < 0.01
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