“…3,4 Type II, or sulcus vergeture, is a groove in the vocal fold from atrophy of the superficial layer of the lamina propria. 3,4 Type III, or sulcus vocalis (SV), is a pit in the vocal fold edge. 3,4 There is absence of the superficial lamina propria with epithelium adherent to the vocal ligament, and there can be involvement of the vocalis muscle ( Figure 1).…”