MRI scans of pelvis and leg muscles may serve as a marker of progression and treatment response in people with hereditary transthyretin (ATTRv) amyloidosis, a group of conditions that also includes familial amyloid polyneuropathy (FAP), a small Italian study suggests. The study, “Muscle MRI as a Useful Biomarker in Hereditary Transthyretin Amyloidosis: A Pilot Study,” was published in the journal Genes. FAP is caused by inheritable mutations in the TTR gene. These mutations lead to the…

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