TTR and amyloidosis: Likewise, this additional quantitative method may improve the interpretation obtained in the visual score, reclassifying doubtful cases (grade 1) more accurately and objectively; managing to reduce the percentage of cases classified as grade 1 by 31.5%, regrouping 2, 3, and 1 patient in the categories of non-amyloidosis, TTR-CA, and LC-CA, respectively.