fig4

Figure 4. Histological findings in a family member with the classic ARVC. Masson trichrome stained myocardial sections, low (upper panel) and high magnification (lower panel) fields, from the right and left ventricles of family member III-4 who died suddenly. Sections from the right ventricle showing infiltration of the right ventricular wall with fibro-adipocytes, whereas the section from the left ventricle shows mild fibrosis.