Regular use of sunscreens, as part of a consequent UV-protection strategy, may prevent the development of further AK and invasive SCC and, to a lesser degree, BCC in immune-compromised organ transplant recipients.
Organ transplant recipients have a higher incidence of melanoma compared to the general population but the prognosis of this potentially fatal skin cancer in this group of patients has not yet been established. To address this, we undertook a multicenter retrospective analysis to assess outcome for 100 melanomas (91 posttransplant and 9 pretransplant) in 95 individuals. Data were collected in 14 specialist transplant dermatology clinics across Europe belonging to the Skin Care in Organ Transplant Patients, Europe (SCOPE) Network, and compared with age, sex, tumor thickness and ulceration status-matched controls from the American Joint Committee on Cancer (AJCC) melanoma database. Outcome for posttransplant melanoma was similar to that of the general population for T1 and T2 tumors (≤2 mm thickness); but was significantly worse for T3 and T4 tumors (>2 mm thickness); all nine individuals with a pretransplant melanoma survived without disease recurrence following organ transplantation. These data have implications for both cutaneous surveillance in organ transplant recipients and management of transplant-associated melanoma.
Summary
In contrast to the well‐described high risk of skin cancer in organ transplant recipients, skin infections in these patients are not as well explored.Skin infections caused by viruses, bacteria or fungi represent a growing diagnostic and therapeutic challenge in the dermatological aftercare of organ transplant recipients. Differing immunosuppressive drugs and their variable dosage in chronologic sequence after transplantation probably influence the type and appearance of skin infections.
The typical chronology of skin infections are wound infections, pyoderma or the reactivation of herpes viruses in the first month post‐transplant;the main problems in months 2–5 are opportunistic infections and reactivation of varicella‐zoster virus.After 6 months as immunosuppression is reduced, the spectrum of causative organisms approaches that of the general population; mycoses and human papilloma virus (HPV) infections dominate.
A causal connection exists between infection with oncogenic viruses such as HPV, Epstein‐Barr virus and human herpesvirus 8 and specific skin cancers (squamous cell carcinoma, Kaposi sarcoma and post‐transplant lymphoprolif‐erative disorders).
Dermatological care of organ transplant recipients using appropriate diagnostic methods adapted to the modified clinical pattern may lead to early adequate treatment.
Results suggest that diclofenac 3% gel may be useful in the treatment and control of multiple AK lesions in OTRs. Further studies are needed to investigate the efficacy and safety of this therapy for the local treatment of AK in greater numbers of immunosuppressed patients.
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