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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.4.jpg)
Figure 4. Technetium-99m 3,3-diphosphono-1,2-propanodicarboxylic acid bone scan shows planar image positive for cardiac uptake (Perugini score 2) with diffuse uptake in the lung and in abdominal soft tissue, confirmed at single photon emission computed tomography/computed tomography image.