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Psoriasis – 16 cases

Psoriasis has common and uncommon presentations, with varying distribution and local features. A patient may have more than one type of psoriasis at the same or different times. The main characteristics of psoriatic lesions are symmetrical distribution, well-demarcated morphology, scaling and persisten ce.

For each of the sixteen cases, study the image(s) and then answer the questions. You can click on the image to view a larger version if required.

Each case should take approximately 2 minutes to complete. There is a list of suggested further reading material at the end of the quiz.

Case 3

Elephantine plaque

Elephantine psoriasis refers to very persistent, very thickly scaled, large areas of psoriasis. Rupioid psoriasis describes limpet-like cone-shaped lesions.

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