DermNet provides Google Translate, a free machine translation service. Note that this may not provide an exact translation in all languages

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 7

Inflammatory linear verrucous epidermal naevus

Sometimes linear psoriasis corresponds to fetal developmental lines (Blaschko lines) and is considered a manifestation of mosaicism. Some cases of inflammatory linear verrucous epidermal naevus (ILVEN) may be due to this kind of psoriasis.

Mark question

See smartphone apps to check your skin.
[Sponsored content]