Quiz
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 9

What kind of psoriasis does this patient have?

Sebopsoriasis

What are the features?

Sebopsoriasis is the term used when the skin condition has characteristics of both seborrhoeic dermatitis and psoriasis and is confined to seborrhoeic areas, i.e., scalp, mid-face, axillae and anterior chest. It tends to have poorly-defined and thin plaques, covered with yellowish scale, like seborrhoeic dermatitis. But it is persistent and resistant to treatment, like psoriasis.

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