A Japanese case with familial amyloidotic polyneuropathy (FAP) associated with the transthyretin mutation Thr60Ala (Appalachian-type mutation) is described This is the first reported case of a non-Caucasian harboring this type of TTR mutation. The patient developed severe late-onset restrictive cardiomyopathy as well as sensorimotor and autonomic polyneuropathy, which were essentially similar to the previously reported clinical pictures of Appalachian-type FAP.

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