Annals of surgical oncology
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A positive cytology of peritoneal lavage fluid (CY1) is a poor prognostic factor in patients with gastric cancer (GC). We have recently reported that CY1 often changes to negative (CY0) following combination chemotherapy including intraperitoneal (IP) paclitaxel (PTX), which results in marked prolongation of survival in GC patients with peritoneal dissemination (P1). ⋯ Periodic cytological examination of peritoneal lavage fluid is clinically useful to evaluate the efficacy of treatment as well as to predict the outcome of patients with P1 GC.
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In TNM staging system, lymph node staging is based on the number of metastatic lymph nodes in gastric cancer and micrometastasis is not considered. Several reports proposed the importance of lymph node micrometastasis as the causative factor for recurrence and poor survival, but it remains controversial among researchers. ⋯ Lymph node micrometastasis was clinically significant as a risk factor for recurrent gastric cancer. Lymph node micrometastasis should be considered when estimating TNM stage for determining prognosis and the best treatment strategy.
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Lymph node (LN) status is one of the strongest prognostic factors after gallbladder cancer (GBC) resection. The adequate extension of LN dissection and the stratification of the prognosis in N+ patients have been debated. The present study aims to clarify these issues. ⋯ A D2 LN dissection is recommended in all patients, because it allows for better staging. CBD resection does not improve LN dissection. An LNR = 0.15, not the site of metastatic LNs, stratified the prognoses of N+ patients.
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We analyzed the role of hyperthermic intraoperative intraperitoneal chemotherapy (HIPEC) on the microscopic component of the disease in patients with a first recurrence of platinum-sensitive ovarian cancer after complete cytoreduction (CCR). ⋯ The administration of HIPEC in patients in whom it is possible to achieve a CCR of the disease has not increased postoperative morbidity and mortality rates in our center. HIPEC with paclitaxel is effective in the treatment of microscopic disease in platinum-sensitive recurrent epithelial ovarian cancer patients with microscopic residual disease after cytoreduction, although with no statistically significant difference.
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Comparative Study
The impact of open versus laparoscopic resection for colon cancer on C-reactive protein concentrations as a predictor of postoperative infective complications.
There is increasing evidence that C-reactive protein is a useful negative predictor of infective complications and anastomotic leak following surgery for colorectal cancer. In particular, C-reactive protein concentrations on postoperative days 3 and 4 have been proposed to be of clinical utility since they aid safe and early discharge of selected patients following colorectal surgery. However, it is not clear whether such thresholds are also applicable in laparoscopic surgery. The aim of the present study was to compare the value of daily C-reactive protein concentrations in the prediction of postoperative infective complications in patients undergoing open versus laparoscopic resection for colon cancer. ⋯ The results of the present study show that although the magnitude of the systemic inflammatory response, as evidenced by C-reactive protein, following surgery was greater in open compared with laparoscopic resection, the threshold concentrations of C-reactive protein for the development of postoperative infective complications were remarkably similar on days 3 and 4.