SOCIETY OF NUCLEAR MEDICINE AND MOLECULAR IMAGING IMAGE: THIS FIGURE HIGHLIGHTS 3 PATIENTS WITH A FINAL DIAGNOSIS OF LOW-GRADE UPTAKE (PERUGINI GRADE-1). ENDOMYOCARDIAL BIOPSY RESULTS WERE AVAILABLE FOR THE PATIENT DEPICTED IN PANEL B DEMONSTRATING ATTR-CA AS THE UNDERLYING PATHOLOGY. CREDIT: IMAGE CREATED BY DEPARTMENT OF NUCLEAR MEDICINE, MEDICAL UNIVERSITY OF VIENNA, AUSTRIA. Reston, VA—A...