FIGURE 4.

Paraneoplastic Pemphigus in patient presenting non-Hodgkin B-cell linfoma: (A) lesions affecting the lips and oral mucosa; (B) erosions on the back; (C) blisters on the hands; (D)histopathology showing suprabasal blister containing acantholytic cells (HE 40x); (E) closer view of the acantholytic cells and loss of intercellular cohesiveness (HE 400x); (F) DIF showing intercellular deposits of IgG and C3, and also linear deposits in the BMZ (DIF, 400x); (G) IIF (rat bladder) showing intercellular distribution of anti-IgG (1:320)