A 37 Year Old Woman Died of Congestive Heart Failure

A 37 year old woman died of congestive heart failure.An autopsy was requested by the family because her sister had also died at a young age of congestive heart failure.At autopsy,the heart was enlarged,and had a waxy,pale appearance.A representative section is shown in the accompanying photomicrograph.Which one of the following is the best diagnosis?

A) Localised senile amyloid
B) Systemic heredofamilial amyloidosis
C) Systemic amyloidosis due to multiple myeloma
D) Systemic senile amyloidosis