an analysis of the sister chromatid exchanges has been carried out in lymphocytes from patients suffering from a severe form of psoriasis -- pustular psoriasis ( von zumbusch ) , eruptive psoriasis vulgaris ( more than 30 % of the skin surface ) , severe arthropathic psoriasis and psoriatic erythroderma .
C0033860
psoriasis
C0003872
arthropathic psoriasis