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![Clinical application of cardiac scintigraphy with bone tracers: controversies and pitfalls in cardiac amyloidosis](https://image.oaes.cc/14e4596d-83fc-421f-ac7d-a7f275c4166d/4521.fig.3.jpg)
Figure 3. Technetium-99m 3,3-diphosphono-1,2-propanodicarboxylic acid bone scan, 3 h acquisition: (A) visual score 0; (B) visual score 1 and corresponding single photon emission computed tomography/computed tomography image; (C) visual score 2; and (D) visual score 3.