British Journal of Sexual Medicine

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A GP’s guide to genital psoriasis
BJSM, Volume 30, Number 3.

Psoriasis is a multigenic disease, primarily of the skin, with chronic and relapsing courses. It has been estimated to affect between 1–3% of the population. Although the aetiology of psoriasis is unknown, it is considered that it is inherited as an autosomal dominant trait with incomplete penetrance and that environmental factors are responsible for precipitating clinical manifestations. The lower extremities are most frequently affected by well-defined homogeneous erythematous plaques, followed by the trunk, elbow and scalp.

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