Rothmund-Thomson syndrome (RTS) is a rare genodermatosis characterized by early poikilodermatous skin lesions, often combined with juvenile cataracts, photosensitivity and bone defects. Data in the published work indicate that there is an increased risk of RTS patients developing malignant tumors. Herein, we report the multiple skin carcinomas observed in a case of RTS and review the published work on the occurrence of malignant tumors in these patients. We report the case of a 63-year-old male with RTS who developed multiple cutaneous neoplasms (three basal cell carcinomas, three squamous cell carcinomas and Bowen's disease) over the previous 15 years. A published work review confirmed that RTS is a genetic condition that predisposes subjects to the development of bone tumors, especially at an early age, and skin tumors at an adult age. Therefore, alongside careful osteoarticular monitoring to identify a bone tumor quickly, during the life of a patient suffering from the syndrome, it is just as important to take appropriate preventive action and monitor the possible onset of skin tumors.

Videocapillaroscopy can be used to assess cutaneous microcirculation modifications in vivo, and therefore allows assessment of variations in the microvascular architecture in psoriatic subjects during treatment. The aim of this study was to observe and quantify the modifications of the superficial capillary bed in psoriatic plaques during treatment with cyclosporin A. Twelve patients with psoriasis vulgaris were treated with an initial dose of 4 mg/kg/day cyclosporin A over a period of 3 months with periodic clinical and capillaroscopic assessments. Clinical resolution of the lesions and a reduction in microcirculatory alterations was observed in 70% of patients, although none returned to a normal capillaroscopic pattern.

Similar to other conventional therapies, etanercept is able to improve PASI, plaque severity score and basket-weave area diameter, but it is unable to induce normalization of the microcirculation in psoriatic plaques.

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