JOURNAL SPOTLIGHT

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Reversible perfusion defect in hypertrophied papillary muscle on ​ Myocardial Perfusion Imaging: The “filled doughnut sign”​

Stress myocardial perfusion imaging (MPI) done with conventional SPECT gamma camera demonstrates the perfusion pattern of left ventricle (LV) walls but fails to reveal the PM status due to its limited spatial resolution. 

The team from the Department of Nuclear Medicine, Post Graduate Institute of Medical Education and Research, Chandigarh, India presents a middle-aged hypertensive man showing reversible perfusion defect in the hypertrophied PM in stress SPECT MPI done using CZT-based gamma camera, confirmed on 2D Echocardiography and cardiac magnetic resonance imaging (MRI).

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