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Article
Open AccessSalvage surgery for pouch-related complication after ileal pouch–anal anastomosis: a report of two cases
Pouch-related complications (PRCs), such as pelvic abscesses and perianal complex fistulas, can occur after ileal pouch–anal anastomosis (IPAA) in ulcerative colitis (UC). They are often difficult to treat and...
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Article
A case of fulminant amoebic colitis during systemic chemotherapy for gastric cancer
Amoebiasis is a parasitic infection caused by the protozoan, Entamoeba histolytica. At times, amoebiasis is activated under immunosuppressive conditions such as chemotherapy. We report a case of fulminant amoe...
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Article
Open AccessTesticular metastasis 9 years after resection of primary descending colon cancer with simultaneous pulmonary metastasis: a case report
Metastatic testicular cancer is rare. In particular, primary colorectal cancer rarely metastasizes to the testes. This study reports a case of testicular metastasis recurrence 9 years after the resection of a ...
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Article
Development of an ultralow-latency communication system using shared internet access: promoting the implementation of telemedicine
Telemedicine is becoming increasingly important to address the shortage of gastrointestinal surgeons and disparities in domestic and international treatment outcomes for patients with colorectal cancer. The de...
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Article
Impact of aspirin discontinuation on thrombotic complications in laparoscopic colorectal cancer surgery
The number of patients taking antiplatelet therapy is increasing. However, there is no definitive guideline for the perioperative management of antiplatelet therapy. Conventionally, the discontinuation of anti...
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Article
Clinical Utility and Characteristics of the LARS Score Compared to the CCIS
The low anterior resection syndrome (LARS) score (LS) has been widely validated and has become an international tool for evaluating postoperative bowel dysfunction. However, many physicians still use the conve...
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Article
Short-Term Outcomes with Standardized Transperineal Minimally Invasive Abdominoperineal Excision for Rectal Cancer
Transperineal abdominoperineal excision (TpAPE) is an emerging approach for low rectal cancers but is technically challenging. Based on an anatomical study we conducted previously, we have standardized the TpA...
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Chapter and Conference Paper
Image Synthesis-Based Late Stage Cancer Augmentation and Semi-supervised Segmentation for MRI Rectal Cancer Staging
Rectal cancer is one of the most common diseases and a major cause of mortality. For deciding rectal cancer treatment plans, T-staging is important. However, evaluating the index from preoperative MRI images r...
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Article
MRI-detected extramural vascular invasion potentiates the risk for pathological metastasis to the lateral lymph nodes in rectal cancer
Multidisciplinary treatment for locally advanced rectal cancer requires an accurate assessment of the risk of metastasis to the lateral lymph nodes (LNs). We herein aimed to stratify the risk of pathological m...
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Article
Open AccessLaparoscopic low anterior resection for rectal cancer wherein the inferior mesenteric artery arose from the superior mesenteric artery: a case report
Few cases have been reported of colorectal cancer with inferior mesenteric artery (IMA) branching abnormalities; therefore, the lymphatic flow in such cases remains unknown. We report the first case of locally...
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Article
Perspectives for circulating tumor DNA in clinical management of colorectal cancer
Growing evidence has demonstrated that circulating tumor DNA (ctDNA) detection in colorectal cancer might be a promising approach to address current important clinical questions. During chemotherapy for metast...
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Article
Open AccessTiming of indocyanine green injection prior to laparoscopic colorectal surgery for tumor localization: a prospective case series
Accurate identification of tumor sites during laparoscopic colorectal surgery helps to optimize oncological clearance. We aimed to assess the timing of the local injection preoperatively and clarify the useful...
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Article
Evaluation of negative-pressure wound therapy for surgical site infections after ileostomy closure in colorectal cancer patients: a prospective multicenter study
Surgical site infection (SSI) occurs at a high rate after ileostomy closure. The effect of preventive negative-pressure wound therapy (NPWT) on SSI development in closed wounds remains controversial. We conduc...
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Article
Prospective multicenter study of reduced port surgery combined with transvaginal specimen extraction for colorectal cancer resection
The relevance of transvaginal specimen extraction (TVSE) combined with reduced port surgery (RPS) remains unknown. This study investigated the feasibility of TVSE with RPS according to short-term outcomes and ...
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Article
Open AccessAnalysis of anatomical variations of intrapelvic vessels for advanced pelvic surgery
In pelvic surgery, it is important to anticipate potential anatomic variations, which may be unknown, and inter-relationships among intrapelvic vessels. Here, we comprehensively analyzed intrapelvic vessel pat...
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Article
Efficacy of indocyanine green fluorescence angiography in preventing anastomotic leakage after laparoscopic colorectal cancer surgery
Some recent studies have suggested that fluorescence angiography with indocyanine green (ICG) might be useful for preventing anastomotic leakage (AL) after laparoscopic colorectal surgery. However, its efficac...
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Article
Indocyanine green fluorescence-guided laparoscopic surgery, with omental appendices as fluorescent markers for colorectal cancer resection: a pilot study
Currently, we lack tools that can reliably guide laparoscopic surgeons to a target anatomical destination for dissection. We aimed to develop and evaluate a fluorescent destination marker (FDM), composed of a ...
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Article
Patient Body Image and Satisfaction with Surgical Wound Appearance After Reduced Port Surgery for Colorectal Diseases
The use of reduced port surgery (RPS) is increasing in the field of colorectal surgery. It is considered to offer advantages over conventional multiport surgery (MPS) in terms of decreased invasiveness and sup...
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Article
Feasibility of Single-Port Laparoscopic Surgery for Sigmoid Colon and Rectal Cancers and Preoperative Assessment of Operative Difficulty
Single-port laparoscopic surgery is more difficult for sigmoid colon and rectal cancers than for right-sided colon cancer. We sought to analyze the feasibility of this procedure for sigmoid colon and rectal ca...
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Article
Infected pancreatic necrosis occurring in a jejunal aberrant pancreas: report of a case
Acute pancreatitis occurring in an aberrant pancreas (acute aberrant pancreatitis) is a rare clinical condition. A 67-year-old male was referred to the emergency department complaining of severe epigastralgia....
