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Background: Previous studies showed the efficacy of a formulation containing calcipotriol and betamethasone dipropionate for the treatment of psoriasis. Objective: To investigate maintenance strategies of a formulation containing calcipotriol (50 µg/g) and betamethasone dipropionate (0.5 mg/g) for the treatment of scalp psoriasis. Materials and methods: Nine-hundred and four patients were screened and randomised on a 1:1 basis in two groups: maintenance of two applications per week (group A) versus on-demand therapy (group B). Clinical evaluation was performed at weeks 0, 2, 4, 8 and 12. Results: Eight-hundred and eighty-five patients were randomised: 441 in group A and 444 in group B. From week 2, both groups showed a significant clinical improvement compared with baseline; at weeks 8 and 12, group A demonstrated a higher clinical response compared with group B ( p < 0.05). This difference was statistically significant (OR 0.47, 95% CI 0.37, 0.60). Conclusions: The maintenance of twice-weekly application versus on-demand treatment of calcipotriol/betamethasone dipropionate gel is more effective and is associated with a lower rate of relapse. [ABSTRACT FROM AUTHOR]

A letter to the editor is presented regarding figurate erythemas characterized as erythema annulare centrifugum, necrolytic migratory erythma and erythma gyratum repens.

Renal cell carcinoma (RCC) is one of the most frequent malignancies of the genitourinary tract and has the poorest prognosis of all urologic tumors. It often causes metastatic lesions, and although rare, the skin also can be involved. Cutaneous lesions rarely are the primary signs of RCC. We report a case of RCC with solitary nodular cutaneous metastasis on the right forearm that was seen before the primary tumor was diagnosed; there was no other organ involvement.