Figure 2a from: Cirillo M (2020) Ring-first Mitral Valve Repair. Research Ideas and Outcomes 6: e62369. https://doi.org/10.3897/rio.6.e62369

Figure 2a The two most frequent types of mitral pathology: Barlow's disease (a and b) and fibroelastic deficiency (c and d). The pathological pictures are shown and the advantage of implanting the prosthetic ring before performing the repair of the valve leaflets is illustrated. - In Barlow's disease, the mitral valve takes on a more rounded shape than the normal elliptical one and the tissue is very redundant;