RT Book, Section A1 Trautinger, Franz A1 Hönigsmann, Herbert A2 Kang, Sewon A2 Amagai, Masayuki A2 Bruckner, Anna L. A2 Enk, Alexander H. A2 Margolis, David J. A2 McMichael, Amy J. A2 Orringer, Jeffrey S. SR Print(0) ID 1161329231 T1 Subcorneal Pustular Dermatosis (Sneddon-Wilkinson Disease) T2 Fitzpatrick's Dermatology, 9e YR 2019 FD 2019 PB McGraw-Hill Education PP New York, NY SN 9780071837798 LK dermatology.mhmedical.com/content.aspx?aid=1161329231 RD 2024/04/25 AB AT-A-GLANCEA rare condition with worldwide occurrence.A chronic, recurrent, neutrophilic disorder with a benign course, frequently associated with various forms of immune dysfunction (most commonly immunoglobulin [Ig] A monoclonal gammopathy).Occurrence of intraepidermal deposits of IgA indicates a relationship with IgA pemphigus.Crops of flaccid, coalescing pustules; often in annular or serpiginous patterns.Usually distributed symmetrically in the axillae, groins, submammary, the flexor aspects of the limbs, and on the abdomen.Pathology: subcorneal pustules filled with polymorphonuclear leukocytes.