声门沟是指在声带上有一与声带游离缘相平行的沟,是一种少见的声带疾患,多见于职业性说话过多人员,有家族性,幼儿期即可发病,常伴有身体其他部分的发育不全。本病不易发现,也不易治疗;但既经治愈即不再复发。所有这些特点都说明本病为先天性病变。病理切片上可见沟的底部有表皮增厚或过度角化及脱落的上皮堆积;在真皮部有硬化、纤维 Acoustic groove refers to the vocal cords with a free edge parallel to the vortex groove, is an uncommon vocal cords disease, more common in occupational speaking too much staff, familial, early childhood can be sick, often accompanied by other body Part of the hypoplasia. The disease is not easy to find, nor is it easy to treat; but it will not recur once it is cured. All of these features illustrate the disease as congenital lesions. The pathological section of the ditch visible at the bottom of the epidermis thickening or hyperkeratosis and shedding epithelial accumulation; in the dermis, sclerosis, fiber