04/26/2026
A glottic sulcus is a degenerative lesion of the vocal fold characterized by a longitudinal “slit,” usually a millimeter or two lateral to the vocal cord margin. The slit can be entered to reveal an epithelial-lined “pocket” in the mucosa.
If all “normal” men’s dress shirts were without a breast pocket, a sulcus would be like a dress shirt with a pocket: https://laryngopedia.com/glottic-sulcus/