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A 75-year-old man was transferred to our hospital with a diagnosis of acute cholecystitis. On next day, a laparoscopic cholecystectomy was performed. Histologic examination confirmed an adenocarcinoma arising from duct of Luschka. Patient underwent additional resection of the liver bed. No residual adenocarcinoma was seen in the surgical specimen. Adenocarcinoma of duct of Luschka is rare, but it is important during cholecystectomy to consider the presence of duct of Luschka, possibility of malignant disease and careful dissection of the gallbladder from its fossa staying close to the gallbladder wall.

The patient was a 55-year-old man who had undergone extended right lobectomy of the liver with a diagnosis of primary hepatic carcinoid tumor. Nine years after the operation, enhanced abdominalCT revealed a tumor measuring 2.2 cm in the remnant liver. He was diagnosed with recurrence of primary hepatic neuroendocrine carcinoma and underwent partial hepatectomy. Pathologically, the tumor cells had round nuclei and formed trabecular patterns. Immunohistologically, the cells were positive for CD56, synaptophysin, and chromogranin A. The Ki-67 index was 6%, which was equivalent to Grade 2 in the WHO classification revised in 2010. Since there were no other lesions suspected to be the primary site other than in the liver, it was diagnosed as recurrence of the primary hepatic neuroendocrine carcinoma. Two years after the operation, he was diagnosed with recurrence of primary hepatic neuroendocrine carcinoma and underwent partialhepatectomy again.

A70 -year-old man with a diagnosis of panperitonitis caused by colon perforation due to invasion of gallbladder cancer was transferred to our hospital. The next day, an emergency operation was performed. During laparotomy, the ascending colon was perforated; therefore, ileocecal resection was performed. Six hours after the operation, the stoma became ischemic with marked abdominal distention. The intra-abdominal pressure increased to 28 mmHg, and the patient was diagnosed as having abdominal compartment syndrome(ACS). He immediately underwent decompressive laparotomy at bedside. Multiple organ failure was avoided and he recovered, but he died of advanced gallbladder cancer 4 months after the surgery. This case suggests that immediate surgical decompressive laparotomy for ACS can prevent multiple organ failure.

The patient was a 76-year-old man who underwent laparoscopic cholecystectomy with a diagnosis of cholecystolithiasis. Since the definite diagnosis of gallbladder carcinoma was made after the operation, he underwent additional resection. Four years later, he revisited the hospital complaining of painful swelling of the port site of his epigastrium. Magnetic resonance imaging of the abdomen revealed a mass 3.4 cm in diameter at the epigastrium. Thus, port site recurrence of gallbladder carcinoma was the suspected diagnosis. We resected the peritoneum, rectus abdominis muscle, and skin, as well as the tumor, and the abdominal wall was reconstructed using synthetic composite mesh. Histological examinations revealed recurrence of gallbladder carcinoma. Port site recurrence of gallbladder carcinoma is known to have a poor prognosis, but long survival can be expected in patients after complete resection of the metastatic lesion, if the recurrence develops more than a year after the initial operation.

A 45-year-old man was admitted because of necrolytic migratory erythema. A computed tomographic scan of the abdomen revealed a 4.5cm mass in the tail of the pancreas. We performed distal pancreatectomy and splenectomy, and a definitive diagnosis of pancreatic neuroendocrine tumor(WHO class grade 2)was made histopathologically.

We report a case of gallbladder cancer and right breast cancer associated with pancreaticobiliary maljunction.The patient was a 74-year-old woman who presented with abdominal pain due to cholecystitis.Abdominal CT detected a gallbladder tumor and right breast tumor.Enhanced CT and MRCP examination revealed gallbladder cancer and right breast cancer associated with pancreaticobiliary maljunction.We performed a gallbladder bed resection, bile duct resection, and right total mastectomy.The histopathological diagnosis of the gallbladder was moderately tubular adenocarcinoma and that of the breast tumor was scirrhous carcinoma.The patient remains recurrence-free 8 months after surgery.

We investigated glucose metabolism in patients who underwent pancreatoduodenectomy(PD), distal pancreatectomy (DP), and partial resection(PR). Fifteen patients(36%)were diabetic(HbA1c≥6.5%)before PD, 16(38%)were diabetic after PD, and 6(60%)were diabetic both before and after DP. The level of HbA1c was not significantly different preoperatively( PD: 7.5±2.7%, DP: 7.5±1.3%)vs postoperatively(PD: 6.7±1.1%, DP: 6.3±0.7%). These results suggest that pancreatic endocrine function was fairly preserved in patients who underwent pancreatic surgery.

We occasionally require surgical treatment for postoperative adhesion ileus. One patient had adhesion ileus 14 times in 14 years after distal gastrectomy and Billroth-Ⅰreconstruction for gastric cancer. He underwent laparoscopic adhesiolysis for a small bowel obstruction that adhered to the entire surface. Another patient experienced adhesion ileus 7 times in 1.5 years after distal gastrectomy and Billroth-Ⅰreconstruction for gastric cancer. He underwent laparoscopic adhesiolysis for a small bowel obstruction adhering to the scar and the retroperitoneum. After laparoscopic treatment, he underwent an open operation for ischemic colitis but no small bowel obstruction was found. Laparoscopic adhesiolysis was found to be useful in both cases.

Case 1: A6 4-year-old man with hepatocellular carcinoma (HCC) had received local therapy repeatedly for 20 years. In 2012, he underwent hepatic right lobectomy for recurrence of HCC. Multiple recurrences were found in the hepatic remnant, and transcatheter arterial chemoembolization (TACE) was performed. Considering his condition, a small dose of sorafenib (200 mg per day) was administered. He complained of general fatigue, so we prolonged the administration interval (200 mg every other day). Thereafter, compliance improved and long-term stable disease (long SD), for more than 6 months, long SD was achieved. Case 2: A7 5-year-old man with HCC was treated by TACE repeatedly for multiple recurrences after liver resection (segment 6). In 2008, metastases to the thoracic vertebra and left rib were treated by radiation therapy and radiofrequency ablation, respectively. Subsequently, sorafenib (400 mg per day) was administered. We reduced the dose of sorafenib to less than 400 mg per day because of diarrhea, hypertension, and general fatigue. Thereafter, long SD was achieved despite the small dose of sorafenib. We report here 2 cases of HCC where we achieved long SD in spite of treating with a small dose of sorafenib.

A 75-year-old man underwent pancreatoduodenectomy for pancreatic cancer. He had presented with epigastralgia in June 2008. Gastrointestinal endoscopy revealed type 2 gastric cancer in the cardiac area. Enhanced abdominal CT scanning confirmed an enhanced mass in the cardiac area. Gastrectomy with Roux-en-Y reconstruction was performed for residual gastric cancer. Histopathological findings revealed, pT3(SS), pN0, pH0, pP0, pStageIIA. Single-agent TS-1 therapy was chosen as adjuvant chemotherapy but was changed to TS-1+CDDP because of CT-detected recurrence 3 months after the second operation. After a 6 month course of chemotherapy, complete reduction of the tumor was obtained.

A 68-year-old man had undergone right hemicolectomy of ascending colon cancer with multiple liver metastases. This case of k-ras status on the cancer tissue also showed wild type. Chemotherapy with panitumumab and 5-FU/LV/irinotecan (FOLFIRI)regimen was performed after the resection of the ascending colon cancer. After seven curses of treatment, metastatic liver tumors were reduced considerably(PR). Liver resection(left hepatic lobectomy and partial resection of S4 and S5)and radiofrequency ablation therapy were performed. Recently, chemotherapy has improved overall survival of initially unresectable patients by allowing tumor downstaging and complete resection. Combination chemotherapy using panitumumab, and FOLFIRI plus operation is a candidate as a standard treatment strategy for multiple liver metastases of colon cancer.