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Background/aims: To assess the effect of long-term maintenance of steroids on HCV recurrence after liver transplantation (LT), that is still controversial, a prospective multicentre trial was conducted at the centres of Bologna and Padua, Italy., Methods: From September 2002, 47 eligible HCV positive LT recipients were randomized to receive 2 different steroid schedules in association with tacrolimus: group A: rapid tapering and withdrawal 91 days after LT group B: slow tapering and withdrawal 25 months after LT. Thirty-nine patients were assessable: 23 in group A and 16 in group B. Donor and recipient characteristics were similar in the two groups. Median follow-up was 841 days (130-1376). One hundred liver biopsies were performed, and every patient had a biopsy at month 12., Results: Twenty-two out of 23 (95, 65%) patients in group A and 15 out of 16 (93, 75%) in group B had histologically-confirmed HCV recurrence. Twelve-month histology showed advanced fibrosis (score 3 or 4) in 42.1% of the patients in group A versus 7.6% in group B (P=0.03). One-and 2-year advanced fibrosis-free survival were 65.2 and 60.8 in group A and 93.7% in group B (P=0.03 and =0.02, respectively)., Conclusions: Slow tapering of steroids reduced the progression of recurrent hepatitis C after LT.

Cerebral aspergillosis is a life-threatening complication in liver transplant recipients, with mortality rates approaching 100%; treatment with amphotericin B is of limited efficacy because of its poor distribution in the cerebrospinal fluid and its systemic side effects. We report the case of a liver transplant recipient who developed recurrent cerebral Aspergillus fumigatus infection, and was successfully treated by combined surgical excision of the lesion and administration of liposomal amphotericin B. This first report of long-term complication-free survival in a liver transplant recipient suggests that therapy with liposomal amphotericin B may reduce the risk of recurrence of cerebral aspergillosis in these immunocompromised patients.

Background/aims: Post-transplant lymphoproliferative disease, a potential complication of solid organ transplantation, occurs in about 3% of orthotopic liver transplant recipients. We report the genetic and virological characterization of two cases of post-transplant lymphoproliferative disease that occurred early (4 and 6 months) after orthotopic liver transplant as large-cell non-Hodgkin's lymphomas located at the hepatic hilum., Methods: Lymphomatous tissues were analyzed for clonality and presence of Epstein-Barr virus (EBV) sequences by Southern blot, polymerase chain reaction, and in situ hybridization techniques., Results: The tumors in both cases were sustained by a clonal proliferation of B lymphocytes containing type A EBV DNA. Moreover, in situ hybridization with a digoxigenin-labeled EBV-specific probe evidenced a strong nuclear signal in most of the neoplastic cells. DNA microsatellite analysis at three different loci detected alleles of donor origin in both tumor samples, suggesting that the neoplastic B cells were of donor origin., Conclusions: EBV-infected donor B lymphocytes might be responsible for intragraft post-transplant lymphoproliferative disease in orthotopic liver transplant recipients. As 20 to 30% of post-transplant lymphomas involve the graft itself, donor-derived post-transplant lymphoproliferative disease might be more frequent than presently appreciated. Prospective studies are needed to assess its real incidence and identify possible risk factors.