Quantitative 99mTc-PYP SPECT/CT at 90 minutes improves diagnostic stratification in transthyretin cardiac amyloidosis

Orthopedics Imaging

 1 min.

Scintigraphy using 99mTc-labeled bone-seeking tracers is a cornerstone in the non-invasive diagnosis of transthyretin amyloid cardiomyopathy (ATTR-CM). However, planar imaging alone, particularly in patients with Perugini score 1, often lacks diagnostic specificity. This study evaluates the incremental...