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Laparoscopic gastric surgeries are routinely performed with use of a nasogastric tube to decompress the upper gastrointestinal tract. A distended upper gastrointestinal tract can complicate successful laparoscopic gastric surgery as the distention compromises not only the visual field but also the laparoscopic manipulation of the stomach. Since nasogastric intubation is not without risks, we have attempted laparoscopic-assisted gastric cancer surgeries without nasogastric tubes. In this article we describe a simple method of aspirating gastric contents using a 9cm long 19-gauge needle inserted percutaneously during laparoscopic-assisted gastrectomy. First, a 9cm long 19-gauge disposable needle was introduced through the abdominal wall. This needle was then introduced to the stomach through the anterior wall and the stomach gases and fluids were aspirated by connecting the needle to suction. Thus, a collapsed upper gastrointestinal tract was easily obtained. We performed this procedure instead of nasogastric decompression on twenty-two patients with gastric cancer who underwent laparoscopic-assisted distal subtotal gastrectomy with lymph node dissection. The results were good with only one patient experiencing wound infection (4.5%) and one patient with postoperative acalculus cholecystitis (4.5%). There were no patients with either intraabdominal infection or anastomotic leakage and none of the patients needed postoperative nasogastric decompression, except the patient who experienced acaculus cholecystitis. Percutaneous needle aspiration is a very simple and efficient technique with little risk of postoperative complications. It can be used as an alternative to nasogastric tube decompression of the gastrointestinal tract for laparoscopic-assisted gastrectomy.
Purpose: Preoperative identification of the sentinel lymph node (SLN) in gastric cancer (GC) patients may have great advantages for the minimally invasive treatment. This study was performed to evaluate the possibility of preoperative SLN detection using CT lymphography. Materials and Methods: Fourteen patients with early GC were enrolled. CT images were obtained before and at 1, 3, and 5 minutes after endoscopic submucosal peritumoral injection of 2 mL iopamidol. For patients with clearly identified SLNs, to make comparisons with the CT lymphography results, intraoperative SLN detection was performed using subserosally injected Indocyanine green (ICG) lymphography and ex vivo ICG and iopamidol lymphography using mammography was also performed. Results: CT lymphography clearly visualized draining lymphatics and SLNs in 4 (28.6%) out of 14 patients. All clearly visualized SLNs (one to three SLNs per patient) under preoperative imaging were detected in the same location by intraoperative ICG lymphography and ex vivo ICG and iopamidol lymphography using mammography. All preoperative SLN detections were observed with the primary tumors in the lower third of the stomach. Conclusion: Although our study demonstrated a SLN detection rate of less than 30%, CT lymphography with radio-contrast showed potential as a method of preoperative SLN detection for GC.