Fig. 3

The perforation edges were deepithelialized (a). The cartilage-perichondrium graft accessed to the perforation via the EAC (b). The cartilage graft was placed medial to the remnant TM and annulus (c). The lateral perichondrium was elevated and placed lateral to the malleus, remnant TM, and annulus (d).PC, perichondrium; CT, cartilage; PE, perforation edge