Abstract
Photodynamic therapy (PDT) has been widely accepted in keratocyte carcinoma and an increasing number of literatures concerning PDT in skin cancer is published. But a detailed examination of publication patterns of PDT in skin cancer has not yet been carried out. Bibliographies were retrieved from Web of Science Core Collection restricted the publication date from January 1, 1985 to December 31, 2021. The search terms were photodynamic therapy and skin cancer. Visualization analysis and statistical analysis were performed by VOSviewer (Version 1.6.13), R software (Version 4.1.2) and Scimago Graphica (Version 1.0.15). 3248 documents were selected for analysis. The results showed that the number of annual publications related to PDT in skin cancer was gradually increased and would continue to increase in the future. The results illustrated that "melanoma", "nanoparticles", "drug-delivery", "mechanism", "delivery" and "in-vitro" are newly occurred topics. The most prolific country was the United States and the most productive institution was the University of Sao Paulo in Brazil. German researcher Szeimies RM published the most papers related to PDT in skin cancer. British Journal of Dermatology was the most popular journal in this field. The topic that PDT in skin cancer is a heated issue. Our study revealed the bibliometric result of the field, which might provide the prospects for further research. We recommend future investigations focusing on PDT in treating melanoma, innovation of photosensitizer, improvement of drug delivery and the mechanism of PDT in skin cancer.
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