We report a successful laparoscopic rectopexy for solitary ulcer of rectum syndrome in a child. The procedure is simple, safe, and reproductible, giving good results in the reported case.

Solid pseudopapillary tumor of the pancreas is a rare pathologic entity. Although the role of laparoscopy in surgery of the pancreas is still controversial, laparoscopic distal pancreatectomy has been reported with good results in adults. We report a laparoscopic spleen-preserving distal pancreatectomy in a 9-year-old boy who presented with a low-grade malignant tumor. Needle biopsy was impossible. A laparoscopic spleen-preserving distal pancreatectomy was performed. We used four trocars, and the operative time was 240 min. Conversion to open surgery was not necessary. The boy's postoperative recovery was uneventful, and he was discharged on the 6th day. CT-scan control at 6 months was normal. This case shows that even in advanced surgical cases, such as spleen-preserving distal pancreatectomy, laparoscopic procedures can be done safely, within a reasonable operative time, in children.

| INTRODUC TI ONThe organ shortage and aging of the recipient population in France is leading increasingly often to the recovery of grafts from expanded criteria donations (ECD). 1-3 In 2016, 54% of donors after brain death (DBD) in France were from ECD, 47% of donors ≥60 years and 38%>65. Donor age profiles are similar in the UK with 33% of DBD recovered from those ≥60 years Abstract In 2012, an expert working group from the French Transplant Health Authority recommended the use of hypothermic machine perfusion (HMP) to improve kidney preservation and transplant outcomes from expanded criteria donors, deceased after brain death. This study compares HMP and cold storage (CS) effects on delayed graft function (DGF) and transplant outcomes. We identified 4,316 kidney transplants from expanded criteria donors (2011-2014) in France through the French Transplant Registry. DGF occurrence was analyzed with a logistic regression, excluding preemptive transplants. One-year graft failure was analyzed with a Cox regression. A subpopulation of 66 paired kidneys was identified: one preserved by HMP and the other by CS from the same donor. Kidneys preserved by HMP (801) vs CS (3515) were associated with more frequent recipient comorbidities and older donors and recipients. HMP had a protective effect against DGF (24% in HMP group and 38% in CS group, OR = 0.49 [0.40-0.60]). Results were similar in the paired kidneys (OR = 0.23 [0.04-0.57]). HMP use decreased risk for 1-year graft failure (HR = 0.77 [0.60-0.99]).Initial hospital stays were shorter in the HMP group (P < 0.001). Our results confirm the reduction in DGF occurrence among expanded criteria donors kidneys preserved by HMP. K E Y W O R D Sextended criteria, graft survival, organ perfusion and preservation

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