Past medical history A 58-year-old woman with familial amyloid polyneuropathy caused by the Val30Met (p.Val50Met) mutation in the transthyretin (TTR) gene started showing neuropathic symptoms by the age of 37 and a salivary gland biopsy confirmed TTR amyloid deposition. She was submitted to liver transplantation 7 years after symptom onset and was under immunosuppressive drugs, with stable neurological changes since then. She also had chronic kidney failure (stage 3b) and a pacemaker implanted due to sick sinus syndrome. […]