Classical pyoderma gangrenosum.
Sweet syndrome. The face is often affected.
BADAS showing crops of large pustules on an erythematous purpuric base on the trunk.
Subcorneal pustular dermatosis, showing flexural predistribution notably in the groins.
Amicrobial pustulosis of the skin folds. Erosions and crusts extensively involving the retro‐auricular region. (Courtesy of Professor A. V. Marzano, ...
Parastomal pyoderma gangrenosum.
Sweet syndrome. Multiple large erythematous lesions on the leg.
A typical initial lesion in BADAS showing a large deep pustule on an erythematous base.
Typical appearance of pustules in subcorneal pustular dermatosis.
Amicrobial pustulosis of the inguinal folds. Erosive and exudating lesions, partially covered by crusts, symmetrically involving the inguinal folds an...
Superficial granulomatous pyoderma gangrenosum.
Neutrophilic dermatosis of the dorsal hands.
Acute inflammatory distal arthritis with tenderness and swelling in BADAS.
Subcorneal pustular dermatosis. Pustules may rupture and be inconspicuous in the skin folds.
Sweet syndrome. Pseudovesicles may occur within the inflammatory plaques.
(a,b) Bullous variants of neutrophilic dermatosis of the dorsal hands.
Subcorneal pustular dermatosis. Histology showing subcorneal neutrophils. Pustules sit on the surface of the epidermis without spongiosis or acantholy...
Sterile pustules, erosions and crusts on the axillary fold of a patient with amicrobial pustulosis of the skin folds. (Courtesy of Professor A. V. Ma...