Solar Ultraviolet Radiation, Vitamin D and Skin Cancer Surveillance in Organ Transplant Recipients (OTRS)
During the last decades, the annual numbers of performed solid organ transplants have continuously increased world-wide. Solid organ transplant recipients (OTR) have a greater risk to develop malignancies, with skin cancer representing the most common neoplasia. Additionally, OTRs in general develop a more aggressive form of malignancies. In consequence, dermatologie surveillance is of high importance for OTRs and these patients represent an increasing and significant challenge to clinicians including dermatologists. In OTRs, patient and organ survival have increased considerably and continuously over the past two decades as a resuit of better immunosuppressive regimens and better posttransplant care. Great progress has been made in our understanding that individual immunosuppressive regiments differ in their effect on skin cancer risk in OTRs, and that effects of individual immunosuppressive regiments on skin cancer risk depend on various other factors including viral infections. Since sunlight is the major source of vitamin D for most humans, OTRs, who have to protect themselves consequently against solar or artificial UV radiation, are at high risk of developing vitamin D deficiency. Vitamin D deficiency is not only associated with increased risk for metabolic bone disease, but with other severe health problems including various types of malignancies. As a consequence, screening for and treatment of vitamin D deficiency is warranted in OTRs. In this review, we give an update on our present understanding of skin cancer surveillance in OTRs.
KeywordsTransplant Recipient Sentinel Lymph Node Biopsy Skin Cancer Renal Transplant Recipient Renal Transplant Patient
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