PMC3042014_01
Linear arrangement of psoriatic lesions on the proximal third of the thigh.
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F1
The lesions were first noticed in the right scapular region and progressively extended within a few weeks to the lateral aspect of the right superior limb, the right side of the trunk, the abdomen and the anterior aspect of the inferior limb, especially pronounced in the proximal third of the thigh and the knee (fig. 1).
Arrangement of lesions in the abdominal region: transverse 'S'-shaped lines.
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F2
In the abdominal region, they appeared as transverse 'S'-shaped lines (fig. 2).
Histopathologic analysis of a skin biopsy.
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F3
The histopathologic analysis of a skin biopsy revealed orthokeratosis, parakeratosis and spongiosis-form Munro's microabscesses, in association with a regular elongation of rete ridges, suprapapillary thinning, and an absence of granular cell layers (fig. 3).