Response to Letter Regarding Article, 'Contrast-Enhanced Magnetic Resonance Imaging of a Patient With Chloroquine-Induced Cardiomyopathy Confirmed by Endomyocardial Biopsy'

We highly appreciate the consideration on differential diagnoses that Pieroni et al put forward regarding our recently published article1 on the clinical, morphological, and ultrastructural features of a patient with chloroquine-induced cardiomyopathy, a disease in which lysosomal trapping of the amphiphilic drug chloroquine seems to be the underlying pathophysiological mechanism. As emphasized by Pieroni et al, cardiomyopathy associated with Fabry disease, …