{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,5]],"date-time":"2026-05-05T01:05:46Z","timestamp":1777943146487,"version":"3.51.4"},"reference-count":16,"publisher":"SAGE Publications","issue":"6","license":[{"start":{"date-parts":[[2012,3,21]],"date-time":"2012-03-21T00:00:00Z","timestamp":1332288000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Surg Innov"],"published-print":{"date-parts":[[2013,12]]},"abstract":"<jats:p>Schwannomas are benign tumors that arise from neural sheath Schwann cells. Solitary benign schwannoma is generally located in the head and neck and is a rare neoplasm among the tumors of the retroperitoneal space. Reports of laparoscopic excision of retroperitoneal schwannomas have recently been on the increase. However, few cases of single-port laparoscopic excision of these tumors have been reported. Moreover, there are no reports of single-port excision of schwannomas attached to the body of pancreas and around the splenic vessels. This is the first report of a schwannoma lying adjacent to the body of the pancreas between the splenic artery and vein that was excised by single-port laparoscopic surgery. The most notable aspect of our procedure is the use of bipolar forceps. Single-port laparoscopic excision using bipolar forceps is a feasible and safe procedure for retroperitoneal solitary tumors, even when they are close to the splenic artery and vein.<\/jats:p>","DOI":"10.1177\/1553350612441864","type":"journal-article","created":{"date-parts":[[2012,3,23]],"date-time":"2012-03-23T11:58:35Z","timestamp":1332503915000},"page":"NP30-NP34","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":4,"title":["Single-Port Transumbilical Laparoscopic Excision of Retroperitoneal Schwannoma Mimicking a Nonfunctional Endocrine Tumor in the Body of the Pancreas"],"prefix":"10.1177","volume":"20","author":[{"given":"Noriaki","family":"Kameyama","sequence":"first","affiliation":[{"name":"International Goodwill Hospital, Yokohama, Japan"},{"name":"Keio University, Tokyo, 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