O/E.: There are plaques in axillary folds, on the chest, back, and popliteal fossae.Some advancing borders appear vesicular on close observation. There is mild post-inflammatory hyperpigmentation in healed sites.
Clinical Photos from L. Axilla:
Histopathology: Courtesy Dr. Lynne Goldberg. Boston University Skip Path
Tentative Diagnosis: Benign Familial Pemphigus (Hailye-sHaily)
Postscript: After one month of doxycycline 100 mg b.i.d. and betamethasone 0.1% cream the patient was > 90% resolved. He is pain and itch free. He was asked to cut back on the cream to prn and will continue the doxycycline. It will be tapered in a month.