Publications by authors named "Hajime Yokomizo"

Article Synopsis
  • This study examines how food passage routes after a specific stomach surgery, called proximal gastrectomy with double-tract reconstruction (PGDT), affect postoperative complications like esophageal reflux and malnutrition.
  • Patients were divided into two groups based on their food passage routes (remnant stomach influx - RSI vs. jejunal-loop - JL) and were analyzed for various health metrics and outcomes.
  • The findings revealed that the RSI group experienced less reflux and better retention of body metrics, suggesting that improving the food passage route can help reduce reflux and malnutrition after surgery.
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Background: Alcoholic steatohepatitis and nonalcoholic steatohepatitis-related liver cirrhosis (ASH/NASH-LC) are major causes of esophageal varices (EVs). However, the association between high visceral fat and exacerbation of EVs remains unclear. The aim of this study was to clarify the association of visceral fat and recurrence rate of EVs in ASH/NASH-LC and to identify independent predictors associated with recurrence.

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We experienced a case of diffuse large B-cell lymphoma(DLBCL)that developed around the kidney about 1 year after surgery for sigmoid colon cancer. In this case, imaging findings suggestive of liver metastasis were also observed at the same time of diagnosis, therefore, diagnosis was difficult because the possibility of peritoneal dissemination could not be ruled out. The lesion was excised by surgery and a definitive diagnosis was obtained by tissue diagnosis, leading to appropriate treatment.

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Objective: To evaluate the current status and postoperative course of nutritional management in bridge to surgery(BTS) after colorectal stenting for malignant colorectal stenosis.

Subjects And Methods: The study included 242 colorectal cancer cases, 27 cases with malignant colorectal stenosis who underwent BTS group, 24 cases with malignant colorectal stenosis who fasted until the day of surgery and consumed drinking water and Elenthal®(no oral intake group), and 191 cases with non-stenotic colorectal cancer (diet group). The study items selected were nutritional management methods before colorectal cancer resection, nutritional assessment, surgical factors, and postoperative course.

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Background/aim: Recent studies have reported that the C-reactive protein (CRP) to albumin ratio (CAR) may be a useful prognostic biomarker in various types of cancer patients. However, the mechanism underlying this observation is unclear. The present study aimed to clarify why the CAR can predict post-esophagectomy prognosis, the relationship between pre- and postoperative CAR, and whether postoperative CAR can predict the prognosis of esophageal cancer patients.

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Background: Perioperative factors are useful for predicting postoperative infectious complications (PIC) in gastric cancer. Specifically, postoperative inflammatory response indicators (PIRI), [C-reactive protein (CRP) level, body temperature (BT), and white blood cell (WBC) count], are widely used in clinical practice. We investigated predictive factors for PIC, including PIRI, to establish a simple and practical indicator of postoperative complications after gastrectomy.

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We report a case of resectable pancreas tail cancer treated with 2 courses of neoadjuvant therapy which is gemcitabine and S-1 therapy, and pathological diagnosis of the resected specimen revealed pathological complete response. A 56-year- old woman was referred to our hospital because she had back pain after eating for 5 months and her previous abdominal ultrasonography revealed an enlarged pancreatic tail. The tumor size was reduced from 30 mm to 12 mm, and the chemotherapy response was judged to be partial response.

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We hereby report a case in which a patient with multiple lung metastases of pancreatic cancer continued chemotherapy and maintained good performance status(PS)for 48 months after recurrence. But her disease progressed rapidly after withdrawal of chemotherapy, resulting in her death in a short period of time. The patient was a 66-year-old woman who underwent a substomach preserving pancreaticoduodenectomy for pancreatic head cancer at the age of 60 years.

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Introduction: Regorafenib is a multi-kinase inhibitor approved for patients with metastatic colorectal cancer (mCRC) who were previously treated with standard therapies. A few reports showed the impact of KRAS mutation on therapeutic efficacy of regorafenib. Only one study reported poor prognoses for patients treated with regorafenib who had large amounts of circulating cell-free DNA (cfDNA).

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Article Synopsis
  • - The study aimed to assess how postoperative infections (PI), surgical site infections, and remote infections affect long-term outcomes in colorectal cancer patients after surgery.
  • - In a cohort of 1,817 patients, it was found that 16.5% experienced postoperative infections, leading to significantly worse cancer-specific survival rates compared to those without infections.
  • - The findings indicate that postoperative infections mainly hinder the effectiveness of adjuvant chemotherapy and emphasize the need for strategies to prevent infections post-surgery to improve overall patient outcomes.
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Objective: This study aimed to clarify the effects of bridge to surgery(BTS)for malignant colorectal stenosis on the nutritional and immunological status.

Subjects And Methods: A total of 19 patients with colorectal cancer who underwent BTS were included. We examined the technical success of stenting, clinical improvement, treatment progress after BTS, and nutritional and immunological status changes before and after BTS.

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Background: Totally extraperitoneal (TEP) repair is a recommended procedure for inguinal hernia repair in European hernia guidelines. However, technical challenges have limited its uptake in Japan, where transabdominal preperitoneal (TAPP) repair is more common. We evaluated the association of preoperative subcutaneous fat area (preSFA) with surgical outcomes and identified factors associated with the difficulty of TEP repair.

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Article Synopsis
  • Regorafenib improves survival in metastatic colorectal cancer but has side effects like hand-foot skin reaction (HFSR) and fatigue that can limit its use; a study tested a gradual dose increase method for Japanese patients to see if it reduces these issues.
  • In the study, 57 patients started with 80 mg of regorafenib daily, and depending on tolerance, some were increased to 120 mg and then to 160 mg; the ongoing monitoring showed a median progression-free survival (PFS) of 1.9 months and overall survival of 8.9 months.
  • Results indicated that 14% of patients stopped due to side effects, with hypertension and HFSR being the most
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Article Synopsis
  • Laparoscopic surgery (LAP) is associated with fewer complications and improved outcomes for elderly patients undergoing colorectal cancer surgery, highlighting its minimal invasiveness compared to traditional methods.
  • In a study of 85 patients over 80 years old, LAP showed significantly lower rates of major complications and surgical site infections.
  • The research indicates that LAP not only reduces the risk of complications but also decreases non cancer-related mortality in very elderly patients, suggesting better overall survival rates.
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The patient was a 57-year-old man who visited the department of neurosurgery for headache and lightheadedness. He was admitted with a diagnosis of brain tumor based on imaging findings. Severe brain dysfunction and mild ataxia were observed, and craniotomy tumor resection was performed 5 days after admission.

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We report 4 cases of liver metastasis from renal cell carcinoma(RCC). Case 1: 72 years old, female. Pancreatic metastasis was resected 7 years after resection of left RCC, and hepatic posterior sectionectomy was performed for multiple liver metastases 2 years later.

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According to the Japanese Colorectal ESD/EMR guidelines, radical surgery should be recommended for additional treatment of T1 colorectal cancer(CRC)if pathological findings of the lesion after endoscopic resection show unfavorable factors to be evaluated as curative resection, considering the probability of lymph node metastasis and general condition of patients. We report a case of a 74-year-old man with T1b rectosigmoid(RS)cancer, whose pulmonary metastasis(PM) was curatively resected during the postoperative period of ESD for primary lesions. The patient underwent ESD in November 2018 for Type 0-Isp CRC in the RS junction, revealed using colonoscopy, which was performed for the examination of blood stool in September 2018.

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We investigated the significance of transitions in the neutrophil-to-lymphocyte ratio(NLR)before and after TACE for HCC could be a predictor of prognosis. The subjects were 108 patients with the first TACE performed from January 2010 to December 2019. NLR was calculated before and 1 month after TACE, and the relationship with therapeutic effect and prognosis was examined.

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Purpose: Augmented rectangle technique (ART) anastomosis is a totally intracorporeal anastomosis of laparoscopic distal gastrectomy (LDG), Billroth I (B1) reconstruction for gastric cancer, which secures a wide anastomotic stoma. Since the conventional extracorporeal hemi-double stapling technique (HD) may have a narrow anastomotic stoma, our aim of this study was to evaluate the feasibility and usefulness of ART anastomosis by comparing the surgical outcomes with HD anastomosis.

Methods: Clinical data of 89 patients undergoing LDG with B1 reconstruction were retrospectively collected.

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This study examined the impact of the degree of occlusion in colorectal cancer during the perioperative period. The subjects included 207 patients who underwent elective colorectal cancer resection. The degree of obstruction at the first medical examination was evaluated using the ColoRectal Obstruction Scoring System(CROSS).

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A 61-year-old woman underwent laparoscopy-assisted distal gastrectomy (LADG) with extragastric lymph node dissection (D2). Two months later, she was readmitted to hospital to be treated for chylous ascites. Oral intake was discontinued and total parenteral nutrition started, but increasing body weight and decreasing serum albumin concentration was not controllable.

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We hereby report a case of advanced and recurrent colon cancer with long-term survival after 7 repeated surgical resections. A 73-year-old woman initially underwent right hemicolectomy and partial hepatectomy for an ascending colon cancer with synchronous liver metastasis. Pathological diagnosis of the tumors were moderately differentiated adenocarcinoma and metastasis to the liver compatibly.

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Background: The benefit of chemotherapy for patients with metastatic colorectal cancer has not been established.

Methods: We retrospectively evaluated the effectiveness of chemotherapy with capecitabine and bevacizumab for patients with a performance status (PS) of 3.

Results: Seven patients were included; median age was 82 years (range, 65-91 years).

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Aim: To investigate the clinical significance of ATP-binding cassette transporter 11 (ABCC11) protein expression in colon cancer.

Materials And Methods: One hundred thirty nine patients with colon cancer resection between 2009 and 2011 were enrolled. The relationship with immunohistochemical ABCC11 staining and clinicopathological factors was retrospectively analyzed.

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Diagnosis and treatment of superficial laryngopharyngeal cancers has recently received considerable attention. Here, we present a case of superficial hypopharyngeal cancer and superficial esophageal cancer treated with simultaneous endoscopic laryngopharyngeal surgery (ELPS) and endoscopic submucosal dissection (ESD). The patient was a 67-year-old man.

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