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Nonoperative management followed by an interval appendectomy is a commonly used approach for treating patients with perforated appendicitis with abscess formation. As minimally-invasive surgery has developed, single-port laparoscopic surgery (SPLS) is increasingly being used to treat many conditions. We report our initial experience with this procedure using a multichannel single-port.
The study included 25 adults who underwent a single-port laparoscopic interval appendectomy for perforated appendicitis with periappendiceal abscess by using a single-port with or without needlescopic grasper between June 2014 and January 2016.
Of the 25 patients, 9 (36%) required percutaneous drainage for a median of 7 days (5–14 days) after insertion, and 3 (12%) required conversion to reduced-port laparoscopic surgery with a 5-mm port insertion because of severe adhesions to adjacent organs. Of 22 patients undergoing SPLS, 13 underwent pure SPLS (52.0%) whereas 9 patients underwent SPLS with a 2-mm needle instrument (36.0%). Median operation time was 70 minutes (30–155 minutes), and a drainage tube was placed in 9 patients (36.0%). Median total length of incision was 2.5 cm (2.0–3.0 cm), and median time to soft diet initiation and length of stay in the hospital were 2 days (0–5 days) and 3 days (1–7 days), respectively. Two patients (8.0%) developed postoperative complications: 1 wound site bleeding and 1 surgical site infection.
Conservative management followed by a single-port laparoscopic interval appendectomy using a multichannel single-port appears feasible and safe for treating patients with acute perforated appendicitis with periappendiceal abscess.
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Leptin is encoded by the
Patients who had undergone a curative surgical resection for a colorectal adenocarcinoma from 2000 to 2004 were included in the study. Immunohistochemical analyses of leptin expression were performed, and clinicopathological parameters were evaluated.
Clinical data and tumor tissues of 146 patients were evaluated. The mean age was 68.6 ± 11.3 years, and 61.0% were men. Immunohistochemically, the rates of negative, weak, moderate, and strong leptin expression were 2.7% (4 of 146), 5.5% (8 of 146), 43.2% (63 of 146), and 48.6% (71 of 146), respectively. We compared the negative, weak, and moderate expression group (group A) with the strong expression group (group B). Leptin expression was inversely associated with nodal stage (P = 0.007) between the two groups. Leptin expression was not significantly associated with differentiation (P = 0.37), T stage (P = 0.16), and American Joint Committee on Cancer stage (P = 0.49), and no significant differences in the disease-free and the overall survivals (P = 0.78 and P = 0.61) were observed.
Results demonstrated an inverse association of nodal stage with high leptin expression. Higher leptin expression level might predict better oncologic outcome. However, further studies are warranted to identify the exact role of leptin expression in colorectal cancer.
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The medical records of patients who had undergone elective resection for colorectal cancer from January 2008 to April 2010 were reviewed. Cases that involved procedures such as transanal excision, stoma creation, or emergency operation were excluded from the analysis.
Resection with primary anastomosis was performed in 219 patients with colorectal cancer. The rate of postoperative
Among the potential causative factors of postoperative
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