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Background: Adult intussusception is a rare condition that is often associated with a high incidence of malignancy. The optimal management strategy remains controversial, particularly regarding the necessity for bowel reduction before resection. To date, there is a paucity of data on adult intussusception in the English literature. We present two cases of sigmoid colon cancer with intussusception prolapsing through the anus and highlight the different surgical approaches. Case Description: Case 1: an 84-year-old woman presented with sigmoid colon prolapse and biopsy-confirmed adenocarcinoma. Urgent surgery revealed intussusception. Despite unsuccessful manual reduction, the Hutchinson technique successfully resolved the intussusception. Resection with a temporary colostomy was performed. Histopathological examination revealed mucinous adenocarcinoma without metastasis; the patient recovered well. Case 2: a 76-year-old woman with sigmoid colon prolapse presented with abdominal pain and blood-streaked stools. Emergency surgery was performed because of failed reduction attempts and persistent symptoms. Intussusception resolution was achieved through transanal insertion of a circular sizer. Resection with temporary colostomy was performed, after which tubular adenocarcinoma was identified. The patient remains symptom-free 3 years post-surgery. Conclusions: Choice of the surgical approach depends on the ease of intussusception reduction. In cases wherein reduction is straightforward, routine preoperative examinations are preferred given the low risk of injury or cancer cell dissemination. Conversely, in situations such as ours, gentle reduction under general anesthesia might be crucial. In addition, laparoscopic surgery could be beneficial. Importantly, accumulation of reports on adult intussusception could contribute to the standardization of this approach.

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In the clinical course of malignant melanoma, which can metastasize to multiple organs, gallbladder metastases are rarely detected. A 69-year-old man who underwent resection of a primary malignant melanoma was subsequently treated with nivolumab for lung metastases and achieved complete response. Seven years after surgery, multiple nodules were found in the gallbladder, and he underwent laparoscopic cholecystectomy. The postoperative diagnosis was metastases of malignant melanoma. He has been recurrence-free 8 months after surgery. If radical resection is possible, such surgery should be performed for gallbladder metastases found in patients with other controlled lesions of malignant melanoma.

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BACKGROUND: Celiac axis stenosis (CAS) is frequently observed in patients undergoing pancreaticoduodenectomy (PD). This poses challenges because of the potential disruption of the hepatic arterial blood flow. CASE PRESENTATION: We present the case of an 81-year-old woman diagnosed with pancreatic head cancer and severe CAS caused by calcification. The patient received neoadjuvant chemotherapy (NAC) and underwent preoperative endovascular stenting of the celiac axis to restore blood flow. After two cycles of NAC, subtotal stomach-preserving PD was performed. An intraoperative assessment of the hepatic arterial blood flow determined that it was well maintained. PD was performed using the standard technique; specialized techniques were not necessary. Importantly, no ischemic complications were encountered. CONCLUSION: This case report describes the successful combination of preoperative celiac axis stenting, NAC, and surgical intervention for the management of CAS in an elderly patient with pancreatic cancer. This approach offers a potential solution for maintaining the hepatic arterial blood flow in the presence of CAS without vascular reconstruction, particularly in elderly individuals.

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Leiomyomas are benign smooth muscle tumors, and retroperitoneal leiomyomas without coexisting uterine leiomyomas are extremely rare. Mitotically active leiomyomas, which are leiomyomas with increased mitotic activity, are rarely observed in postmenopausal women, except under the influence of exogenous hormones. This report presents a rare case of a retroperitoneal mitotically active leiomyoma in a postmenopausal woman. The patient presented with an abdominal mass and underwent surgical resection of the retroperitoneal tumor. Pathological examination revealed a mitotically active retroperitoneal leiomyoma with 31 mitotic figures per 10 high-power fields. The patient did not experience recurrence during the 2-year follow-up period. This case highlights the need to consider retroperitoneal mitotically active leiomyomas in postmenopausal women and suggests that myomectomy can prevent their recurrence.

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Background: The purpose of this study is to examine the association between physical activity and contracture in older patients confined to bed in long-term care (LTC) facilities. Methods: Patients wore ActiGraph GT3X+ for 8 hours on their wrists, and vector magnitude (VM) counts were obtained as the amount of activity. The passive range of motion (ROM) of joints was measured. The severity of ROM restriction classified, as the tertile value of the reference ROM of each joint, was scored 1-3 points. Spearman's rank correlation coefficients (Rs) were used to measure the association between the VM counts per day and ROM restrictions. Results: The sample comprised 128 patients with a mean (SD) age of 84.8 (8.8) years. The mean (SD) of VM was 84574.6 (115195.2) per day. ROM restriction was observed in most joints and movement directions. ROMs in all joints and movement directions, except wrist flexion and hip abduction, were significantly correlated with VM. Furthermore, the VM and ROM severity scores showed a significant negative correlation (Rs = -0.582, p < .0001). Conclusions: A significant correlation between the physical activity and ROM restrictions indicates that a decrease in the amount of physical activity could be one of the causes of contracture.

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We herein report two cases of thymic cancer with Lynch syndrome showing a high frequency of microsatellite instability and loss of mismatch repair protein expression without MLH1 promoter hyper-methylation. In Case 1, a 71-year-old man had a pathogenic germline variant in MLH1 and underwent tumor resection. No relapse has been reported thus far. In Case 2, a 43-year-old man underwent genetic testing that also showed a pathogenic germline variant in MLH1. Since these two cases had MLH variants, we suspect a possible association between thymic cancer with Lynch syndrome and germline pathogenic variants in MLH1.

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In recent years, laparoscopy and endoscopy cooperative surgery(LECS)is reported as the treatment of gastric cancer. We report closed LECS performed for an elderly patient with remnant gastric cancer and gastric cancer in a patient with lung cancer. Case 1 is an 85-year-old male. Early gastric cancer was pointed out in the remnant stomach after distal gastrectomy. ESD was not indicated because of the size of tumor. Because of his age and many comorbidities, closed LECS was performed. Postoperative pathological diagnosis was pT1a(M), pPM0, pDM0, Ly0, v0. Case 2 is a 56-year-old male. He was undergoing chemotherapy for lung cancer with pleural dissemination. Upper gastrointestinal endoscopy revealed early gastric cancer. ESD was not indicated for this lesion because of the depth of tumor. Pleural dissemination of lung cancer is his prognostic factor, and gastrectomy with lymph node dissection was considered excessively invasive. Therefore, closed LECS was performed. Postoperative pathological diagnosis was pT1b2(SM2), pPM0, pDM0, Ly1c, v1a. Closed LECS could be useful therapeutic option for early gastric cancer.

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Background: Biliary tract cancer (BTC) is a Lynch syndrome (LS)-associated cancer with a high mortality rate. This study aimed to clarify the clinical features of BTC in individuals with LS and to discuss its management. Methods: We obtained data from genetically verified Japanese individuals with LS who were diagnosed at a single institution, between January 2003 and April 2021. Moreover, 21 individuals with sporadic BTC (n=15) and LS associated BTC (n=6) underwent microsatellite instability (MSI) testing. Results: Among 92 individuals with LS, 6 individuals with MLH1 variants developed BTCs (10 lesions, male/female, 2:1). The median age at diagnosis of initial BTC was 69 years (range, 34-78 years). Histological examination revealed a predominance of differentiated adenocarcinoma (89%). Then, 2 individuals had multiple BTCs. All available 7 BTC lesions showed high-frequency of microsatellite instability (MSI-H). MLH1 carriers showed a 7.2% cumulative risk of BTC development at an age of 70 years. Five of the six individuals died of BTC. Conclusions: MSI analysis could facilitate LS identification in individuals with BTC. Surveillance for BTC should be considered for MLH1 carriers in Japan.

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BACKGROUND: Although distant metastasis from pancreatic ductal adenocarcinoma (PDAC) has a dismal prognosis, some single center studies reported that lung metastasis has a favorable prognosis. The aim of this study is to evaluate the prognostic value of site-specific metastasis after pancreatectomy for PDAC, with a focus on lung metastasis. METHODS: Data from 117 cases of lung metastasis after pancreatectomy were collected retrospectively from 23 institutions in Japan. To compare the sites of metastasis we also collected the data of 134 patients with liver only metastasis, 67 patients with peritoneal only metastasis and 121 patients with locoregional recurrence alone. RESULTS: In patients with lung only metastasis, the median time from recurrence to death (RTD) was 23.1 months, which was better in comparison to other sites of recurrence. In lung metastasis group, the patients who underwent pulmonary resection had better long-term outcomes in comparison to those who did not. (RTD: 29.2 vs 15.2, P < .001). In the multivariate analysis, solitary metastasis (HR 5.03; 95% CI 1.195-21.144, P = .022) and postoperative chemotherapy (HR 14.089; 95% CI 1.729-114.77, P = .023) were identified as significant prognostic factors after lung resection. CONCLUSIONS: Surgical resection is a favorable option for selected patients with a solitary lung metastasis and for whom adjuvant chemotherapy can be administrated.

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Laparoscopy and endoscopy cooperative surgery(LECS)is a surgical procedure to avoid excessive resection of the gastrointestinal wall and preserve its function. For gastrointestinal stromal tumors(GIST)near the cardia and pylorus ring, the function of the cardia and pylorus can be preserved by minimum excision and hand-sewn suture closures. Here, we report a case successfully treated with inverted LECS for GIST near the pylorus ring. The patient was a 58-year-old male. Upper gastrointestinal endoscopy had revealed a 45 mm sized SMT near the pylorus ring. Biopsy by EUS-FNA indicated gastric GIST. The tumor was separated from the pylorus ring and inverted LECS was performed. The defect was closed with hand-sewn sutures, forming an L-shape. The postoperative course was good and he was discharged from hospital 10 days after surgery. It is considered that devising the direction of closure by means of the LECS procedure can preserve the pyloric function without passage obstruction or stasis, even for gastric GIST near the pylorus ring.

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The patient was a 70s female with gastric cancer. CT and PET scans revealed metastases of para-aortic lymph nodes, hepatoduodenal ligament lymph nodes, and left supraclavicular lymph nodes. She was diagnosed with T4a, N2, M1(LYM), and cStage ⅣB and was given chemotherapy with paclitaxel due to chronic kidney disease and trastuzumab treatment. We planned to perform radical gastrectomy with lymph node dissection due to the disappearance of FDG uptake except for primary gastric cancer on PET scans 5 months after chemotherapy. However, the patient developed pan-peritonitis due to gastric cancer perforation; therefore, emergency distal gastrectomy with Billroth Ⅱ reconstruction was performed. She received chemotherapy(only trastuzumab)after getting discharged. Reports about gastric cancer perforation during chemotherapy using trastuzumab are rare. We should consider the possibility of perforated gastric cancer during chemotherapy and optimal surgical procedures, including the extent of lymph node dissection in the case of Stage Ⅳ gastric cancer.

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AIM: Pneumonia is a common disease with a high mortality rate among older adults that is associated with a decline in activities of daily living (ADL) during hospitalization. The aims of this study were to investigate the following: (i) early physical activity time among older patients hospitalized with community-acquired pneumonia; and (ii) the association of physical activity time with the recovery of ADL. METHODS: A prospective observational study was carried out in patients aged ≥65 years hospitalized with community acquired pneumonia. We measured the time spent standing and walking as physical activity time using the activPAL accelerometer from the third to the ninth day of admission. Patients underwent rehabilitation during their hospitalization, and rehabilitation effectiveness was calculated using the motor Functional Independence Measure on admission and at day 10. We used stepwise multiple regression to examine the relationship between physical activity time and rehabilitation effectiveness. RESULTS: A total of 87 patients were included in the analysis. Median (interquartile range) physical activity time was 69 min/day (43-103 min/day). In the multiple regression model, a greater daily walking time, higher cognitive and physical function, and ADL at admission were independently associated with rehabilitation effectiveness (adjusted R2  = 0.32, P < 0.0001). For every increase of 10 min/day of walking time, ADL improved by 7.8% (B = 7.8, 95% CI 1.3-14.2, P = 0.02). CONCLUSIONS: Older patients hospitalized with community-acquired pneumonia have low levels of physical activity, and increasing early walking time might be an effective strategy to accelerate the recovery of ADL. Geriatr Gerontol Int 2021; 21: 1099-1104.

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A 75-year-old Japanese man visited our hospital for further examination of liver tumors. He had a history of successful hepatitis C virus (HCV) eradication and therapy for hepatocellular carcinoma (HCC) at another hospital. Magnetic resonance imaging (MRI) revealed two tumors in the liver. He underwent anterior inferior (S5) and posterior inferior (S6) subsegmentectomy of the liver. Microscopic examination found that one tumor was HCC while the other was cholangiolocellular carcinoma (CoCC). We experienced a rare case of liver cancer with two synchronous pathologies, HCC and CoCC.

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The present study reports a case of colon cancer in a 76-year-old female who underwent laparoscopic right colectomy. Pathological findings revealed pT3(SS), pN2a, cM0, and pStage Ⅲb. Hence, we administered adjuvant chemotherapy with capecitabine. On day 18, she was urgently hospitalized because of severe oral mucositis(grade 3), diarrhea(grade 3), and leukocytopenia(grade 4). Furthermore, the patient experienced DIC, which gradually improved through intensive conservative treatment. From the clinical course, we suspected that the severe adverse effects were caused due to a deficiency of DPD. We were able to save the patient through early treatment.

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An 85-year-old man was referred to our hospital for anemia. Upper gastrointestinal endoscopy showed 6 malignant gastric lesions. Abdominal CT showed a primary tumor. We treated early gastric cancer at the upper stomach with endoscopic submucosal dissection(ESD)to avoid total gastrectomy. We then performed laparoscopic subtotal gastrectomy with a very small remnant stomach. In elderly patients with multiple gastric cancer, it is useful to combine ESD with laparoscopic subtotal gastrectomy with a very small remnant stomach.

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PURPOSE: To evaluate and compare the nutritional factors and clinical outcomes of pancreaticoduodenectomy between elderly and non-elderly patients. METHODS: This retrospective study evaluated 122 consecutive patients who underwent pancreaticoduodenectomy from April 2008 to April 2020. Preoperative and postoperative nutritional factors (prognostic nutritional index), complication rates, and survival rates were compared between the elderly (≥ 80 years) and non-elderly (< 80 years) patient groups. Changes in nutrition markers were evaluated before surgery to 1 year after surgery. RESULTS: A total of 20 elderly patients (16.4%) and 102 non-elderly patients (83.6%) underwent pancreaticoduodenectomy. Elderly patients had a significantly lower preoperative prognostic nutritional index than did non-elderly patients. At 3 months postoperatively, elderly patients had a lower albumin level and prognostic nutritional index. The median length of hospital stay was significantly longer (39.9 vs. 27 days, P = 0.004), the rate of death due to other diseases was higher, and the overall survival rate was significantly lower (1-/3-/5 year overall survival rates: 78.1%/26.7%/13.3% vs. 87.1%/54.4%/46.7%; log-rank test, P = 0.003) in the elderly group than in the non-elderly group. CONCLUSIONS: The results suggest that careful patient selection and optimal perioperative care are necessary to determine whether pancreaticoduodenectomy is indicated for elderly patients.

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Cardiac metastasis originating from hepatocellular carcinoma (HCC) is a rare condition with a poor prognosis. No therapeutic standards for cardiac metastasis originating from HCC have been established. At 19 months after a curative hepatectomy, a 64-year-old Japanese hepatitis B virus-positive male patient experienced solitary cardiac metastasis originating from HCC. The cardiac tumor was discovered in the right ventricle. The patient received three courses of radiotherapy and chemotherapy and survived > 3 years after the initial diagnosis of cardiac metastasis. His case demonstrates that radiotherapy combined with chemotherapy can be an effective treatment for cardiac metastasis.

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BACKGROUND: The prognosis of intrahepatic cholangiocarcinoma (ICC) has been poor, because of the high recurrence rate even after curative surgery. This study aimed to evaluate the prognostic impact of surgical resection of recurrent ICC. PATIENTS AND METHODS: A total of 345 cases of ICC who underwent hepatectomy with curative intent in 17 institutions were retrospectively analyzed, focusing on recurrence patterns and treatment modalities for recurrent ICC. RESULTS: Median survival time and overall 5-year recurrence-free survival rate were 17.8 months and 28.5%, respectively. Recurrences (n = 223) were classified as early (recurrence at ≤1 year, n = 131) or late (recurrence at >1 year, n = 92). Median survival time was poorer for early recurrence (16.3 months) than for late recurrence (47.7 months, p<0.0001). Treatment modalities for recurrence comprised surgical resection (n = 28), non-surgical treatment (n = 134), and best supportive care (BSC) (n = 61). Median and overall 1-/5-year survival rates after recurrence were 39.5 months and 84.6%/36.3% for surgical resection, 14.3 months and 62.5%/2.9% for non-surgical treatment, and 3 months and 4.8%/0% for BSC, respectively (p<0.0001). Multivariate analysis identified early recurrence, simultaneous intra- and extrahepatic recurrence, and surgical resection of recurrence as significant prognostic factors. In subgroup analyses, surgical resection may have positive prognostic impacts on intra- and extrahepatic recurrences, and even on early recurrence. However, simultaneous intra- and extrahepatic recurrence may not see any survival benefit from surgical management. CONCLUSION: Surgical resection of recurrent ICC could improve survival after recurrence, especially for patients with intra- or extrahepatic recurrence as resectable oligo-metastases.

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Post-operative pancreatic fistula (POPF) remains the most common complication after distal pancreatectomy (DP). In this retrospective study, we reviewed the data from patients who underwent DP between 2008 and 2019 in our institute to determine whether the late phase/early phase ratio (L/E ratio) by preoperative computed tomography (CT) scan in the pancreas could predict POPF occurrence after DP. We examined the relationship between preoperative or intraoperative factors and the occurrence of POPF after DP using statistical methods in 23 males and 21 females with a mean age of 73. The mean L/E ratio was significantly lower in the POPF group than the non-POPF group (p=0.035). The L/E ratio had moderate diagnostic accuracy, with a calculated optimal cutoff value of 0.77. In univariate analysis, a significant association was noted between POPF and stump thickness ≥ 16.9, body mass index ≥ 27.5, and L/E ratio ≤ 0.77. In the multivariate analysis, the L/E ratio (odds ratio, 5.96; p=0.036) was an independent risk factor for POPF. Our findings suggest that the pancreatic L/E ratio may predict the occurrence of POPF after DP. This measure may be useful in preoperative risk stratification, patient counseling, and perioperative patient management, improving clinical outcomes after DP.

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BACKGROUND/AIM: The C-reactive protein (CRP) to albumin ratio (CAR) is associated with outcomes in patients with sepsis. We aimed to evaluate the significance of preoperative CAR in therapeutic outcomes after gallbladder carcinoma (GBC) resection. PATIENTS AND METHODS: Fifty-three patients who underwent surgical resection for GBC between January 2008 and September 2019 were enrolled. We retrospectively investigated the relation between preoperative CAR and overall and disease-free survival. RESULTS: The optimal cut-off CAR was 0.07. Multivariate analysis showed that i) R1 or R2 resection (p=0.033), ii) advanced tumor stage (p=0.047), iii) CAR≥0.07 (p=0.011), and iv) postoperative complications (p=0.028) were significant independent predictors of overall survival; moreover, higher carbohydrate antigen levels (p=0.036) and R1 or R2 resection (p<0.001) were significant independent predictors of disease-free survival. CONCLUSION: Preoperative CAR may be a significant independent predictor of long-term outcomes after GBC resection.

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