Table 2.

Endomyocardial biopsy findings in 16/20 patients with hypertrophic cardiomyopathy (haematoxylin-eosin staining)

Biopsy findings	Number (%)
Heterogeneity in myocyte size
No	3 (19)
Moderate	6 (38)
Marked	7 (44)
Myocyte hypertrophy
No	1 (6)
Mild	11 (69)
Moderate	4 (25)
Myofibre disarray
No	2 (13)
Mild	6 (38)
Moderate	6 (38)
Marked	2 (13)
Myocardial fibrosis
No	2 (13)
Mild	6 (38)
Moderate	6 (38)
Marked	2 (13)
Inflammatory cell infiltration*
No	10 (63)
Mild	4 (25)
Moderate	1 (6)
Marked	1 (6)
Intramyocardial small artery narrowing
No	12 (75)
Mild	2 (13)
Moderate	1 (6)
Marked	1 (6)

^*Eosinophilic granulocytes and mononuclear inflammatory cells.