Cutaneous adverse events are relatively common in patients being treated with molecular-targeted drugs. Paronychia is one of the cutaneous adverse events that influences the patient's quality of life because of pain, and it often affects anticancer treatments in severe cases. However, there are few effective treatments, especially for severe paronychia. Here, we present our experiences of treatment for paronychia due to oncology pharmacotherapy. Although we treated paronychia with various methods, only corticosteroid ointment and phenol chemical matricectomy significantly improved the paronychia. Dermatologists must perform appropriate and effective treatments for paronychia in order to enable patients to continue anticancer drug treatment without impairing their quality of life.

Skin grafting is a simple method for reconstruction of a large defect on the foot. Although skin grafting on the foot sometimes fails, it is not clear what factors influence the success rate of skin grafting. We analyzed data for 71 patients with skin cancer of the foot who underwent reconstruction of defects with skin grafting. The factors we evaluated were success rate of skin grafting, weight-bearing or non-weight-bearing area, immediate or delayed reconstruction, and whether a tie-over bolster was used or not. The success rates were higher in patients with lesions in non-weight-bearing areas than in patients with lesions in weight-bearing areas and in patients who underwent delayed reconstruction than in patients who received immediate reconstruction. On the other hand, the use of a tie-over bolster did not improve the success rate. In conclusion, delayed reconstruction is desirable if the lesion is located in a weight-bearing area.

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