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Diagnosis of myocardial contusion after blunt chest trauma using ¹⁸F-FDG positron emission tomography

Department of Radiology, College of Medicine, Ewha Womans University, Ewha Mokdong Hospital, 911-1 Mok-dong, Yangchun-gu, Seoul 158-710, Republic of Korea

Cardiac contusion is an infrequent complication of blunt chest trauma. The definite diagnosis of myocardial contusion is complex and needs a number of examinations such as electrocardiography, echocardiography, cardiac enzyme and radionuclide perfusion scan. We present a patient who had a blunt chest trauma from a car accident resulting in an acute myocardial infarction without injury to coronary arteries. The non-viable myocardium was diagnosed with ¹⁸F-fluorodeoxyglucose positron emission tomography (FDG PET) combined with ²⁰¹Tl perfusion single photon emission tomography (SPECT). This is the first report of FDG PET for the diagnosis of myocardial contusion in blunt myocardial trauma.