Background/aim: Transanal endoscopic local excision requires fine operation in a very narrow space in the rectum. We report a case in which the use of surgical instruments with a multi-jointed structure allowed safe resection of a lesion with a stable field of view, resulting in preservation of postoperative function.
Case Report: The patient was a 49-year-old man who had a rectal neuroendocrine tumor (NET) (G1) with erosive changes in the lower rectum.
A 61-year-old male was diagnosed with unresectable advanced gastric cancer(cT4b[SI; panc], N+, M0, cStage ⅣA). However he was administered S-1 plus oxaliplatin as a primary treatment and ramucirumab plus paclitaxel as a secondary treatment, the primary tumor and lymph nodes were enlarged. We judged PD and switched to the third-line treatment with nivolumab.
View Article and Find Full Text PDFBackground: Numerous variations in vascular anatomy have been reported in the right colon. The ileocolic vein (ICV) generally drains directly into the superior mesenteric vein (SMV), and is an important landmark for laparoscopic surgery in right colon cancer. We present here a patient with a vascular anomaly of the ICV that was diagnosed on preoperative imaging.
View Article and Find Full Text PDFGan To Kagaku Ryoho
December 2021
A 70-year-old man showing positive results for a fecal occult blood test was admitted to a local hospital. He was suspected of double cancer in the cecum and duodenum. While performing ileocolic and segmental duodenal resections, he was diagnosed with cecal cancer invading the duodenum, following which he underwent surgical intervention.
View Article and Find Full Text PDFA 42-year-old man complaining of left back pain was admitted to our hospital. The hepatis B and C surface antigens were negative. The serum levels of tumor markers were within the reference ranges.
View Article and Find Full Text PDFBackground: Myeloid sarcoma (MS) is a solid tumor consisting of myeloid blasts or immature myeloid cells, which are unusual outside the bone marrow.
Case Presentation: We present a rare case of isolated myeloid sarcoma of the small bowel in a 54-year-old man who was admitted to our hospital with repeated symptoms of intestinal obstruction. A small bowel series via an ileus tube revealed severe jejunal obstruction.