Table 2

 Histological features of 15 patients with myocardial biopsy according to the presence of gadolinium enhancement

All patients (n = 15)Myocardial enhancementp Value*
Present (n = 12)Absent (n = 3)
*Enhancement versus no enhancement.
Amount of amyloid deposit
    Moderate10 (66%)7 (58%)3 (100%)0.49
    Severe5 (34%)5 (42%)0 (0%)0.49
Location
    Endocardial11 (73%)9 (75%)3 (100%)0.87
    Interstitial15 (100%)12 (100%)3 (100%)1
    Vascular7 (47%)5 (42%)2 (66%)0.89
Global myocardial damage
    Mild0 (0%)0 (0%)0 (0%)1
    Moderate11 (73%)9 (75%)2 (67%)0.66
    Severe4 (27%)3 (25%)1 (33%)0.66