• Minute, pale tan macules of the esophageal mucosa observed at autopsy proved, on microscopical study, to be sebaceous glands unaccompanied by hair follicles. Metaplasia of pluripotent cells is postulated as their origin in this purely endodermal tissue, rather than derivation from islands of misplaced epidermis.
(Arch Dermatol 112:1153-1154, 1976)
Zak FG, Lawson W. Sebaceous Glands in the EsophagusFirst Case Observed Grossly. Arch Dermatol. 1976;112(8):1153-1154. doi:10.1001/archderm.1976.01630320059018