Comparison between in vivo gadolinium enhanced magnetic resonance images (MRI) in two patients from reference 15(A)with reproduced pathology figures from two different patients with hypertrophic cardiomyopathy studied at necropsy after sudden death (B). Arrowspoint to regions of hyperenhancement on magnetic resonance imaging or regions of scar on pathology. Panel Bis reproduced with permission from Roberts CS, Roberts WC. Morphologic features. In: Zipes DP, Rowlands DJ, editors. Progress in Cardiology. Vol. 2/2. 1989:3–22; and Basso et al. Hum Pathol 2000;31:988–98.