Fig. 1.

(a) Infected cutaneous nodule at the first finger of the left hand, cutaneous papulo-vesicular rash on the left arm. (b) Itchy papules were erythematous, ranging in size from a few millimetres to 1–2 cm. Some of the papules joined together, taking on rosette-like shapes. (c) Skin biopsy showing hyperkeratosis and spongiosis of the epidermidis, oedema of the papillary dermis and dermic lymphoid infiltrate with epidermal esocytosis. Haematoxylin and eosin (original magnification 10×). (d) Haematoxylin and eosin (original magnification 20×).