case_images: PMC5726697_01
case_images: (A) Erythema and scaling on the abdominal region.
  (B) Peripheral pustules. (C) and
  (D) Clinical worsening after corticosteroid tapering:
  confluent pustules over an erythematous base
case_images: abd-92-05-s1-0115-g01.jpg
case_images: PMC5726697_01_abd-92-05-s1-0115-g01.jpg
case_images: f1
case_images: Thus, the prednisone dose was increased (80 mg/day), but there was no improvement and he developed pustular lesions and fever spikes (Figure 1). We continued to taper the corticosteroid slowly, but he had a new flare of the pustular lesions when prednisone dose was lowered to 10mg/day (Figure 1).
case_images: A, B and C: Extensive acantholysis in the upper layers of
  the epidermis (Hematoxylin & eosin; A: X100, B: X100 and C: X400).
  D: Direct immunofluorescence demonstrating the
  deposition of intrapidermal, intercellular IgG (X400)
case_images: abd-92-05-s1-0115-g02.jpg
case_images: PMC5726697_01_abd-92-05-s1-0115-g02.jpg
case_images: f2
case_images: New biopsies with samples for DIF were performed, that confirmed the diagnosis of PF (Figure 2).