| CASE REPORT |
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| Year : 2017 | Volume
: 32
| Issue : 4 | Page : 348-350 |
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Single coronary artery demonstrating slightly decreased 13NH3Stress flows in its distal flow territories
Sabrine Q Kol1, Jouke J Boer2, Friso M van der Zant3, Remco J J. Knol3
1 Department of Medical Imaging (Nuclear Medicine and Radiology), Northwest Clinics, Alkmaar; Department of Medical Imaging (Nuclear Medicine and Radiology), VU University Medical Center, Amsterdam, The Netherlands
2 Department of Medical Imaging (Nuclear Medicine and Radiology), Northwest Clinics, Alkmaar; Department of Radiology and Nuclear Medicine, Meander Medical Centre, Amersfoort, The Netherlands
3 Department of Medical Imaging (Nuclear Medicine and Radiology), Northwest Clinics, Alkmaar; Cardiac Imaging Division Alkmaar, Northwest Clinics, Alkmaar, The Netherlands
Correspondence Address:
Sabrine Q Kol
Department of Medical Imaging (Nuclear Medicine and Radiology), VU University Medical Center, De Boelelaan 1117, 1081HV, Amsterdam
The Netherlands
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/ijnm.IJNM_36_17
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A 54-year-old male patient was referred for computed tomography angiography to rule out cardiovascular disease. The examination revealed a single coronary artery originating from the right sinus of Valsalva, extending to the normal left circumflex artery and left anterior descending artery domains. The computed tomography showed only mild coronary sclerosis. The myocardial stress flow on the subsequently performed 13NH3myocardial perfusion positron emission tomography demonstrated a relative stress flow reduction in the distal segments along the monocoronary. In the presented patient without significant coronary disease and a benign course of the monocoronary, the relative inability to increase blood flow during stress in the distal segments of the artery is a remarkable finding.
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