Masatsugu Ishii
YOU?
Author Swipe
View article: Primary Non-Hodgkin Lymphoma of the Liver and Gallbladder Diagnosed by Laparoscopic Segment 8 Subsegmentectomy and Cholecystectomy: A Rare Case Report
Primary Non-Hodgkin Lymphoma of the Liver and Gallbladder Diagnosed by Laparoscopic Segment 8 Subsegmentectomy and Cholecystectomy: A Rare Case Report Open
A 71-year-old Japanese woman presented to our hospital to consult for a gallbladder polyp detected on a routine ultrasound in 2024. We found a sized-up gallbladder polyp and a liver tumor. She underwent laparoscopic segment 8 subsegmentect…
View article: A Case of Omental Neuroendocrine Tumor Discovered Incidentally: Case Report
A Case of Omental Neuroendocrine Tumor Discovered Incidentally: Case Report Open
Neuroendocrine cells are distributed throughout the body’s organs, though neuroendocrine neoplasms are primarily documented in the gastrointestinal tract and pancreas, with rare occurrences elsewhere. Herein, we report a case of primary ne…
View article: Multiple calcifying fibrous tumors from gastric and retroperitoneal tissue: A case report
Multiple calcifying fibrous tumors from gastric and retroperitoneal tissue: A case report Open
View article: IRIS U kit usefulness in transanal total mesorectal excision for lower rectal cancer to avoid urethral injury
IRIS U kit usefulness in transanal total mesorectal excision for lower rectal cancer to avoid urethral injury Open
Transanal total mesorectal excision (taTME) has improved the laparoscopic dissection for rectal cancer in the narrow pelvis. Although taTME has more clinical benefits than laparoscopic surgery, such as a better view of the distal rectum an…
View article: Laparoscopic splenectomy for sclerosing angiomatoid nodular transformation of the spleen: Report a case
Laparoscopic splenectomy for sclerosing angiomatoid nodular transformation of the spleen: Report a case Open
View article: Robotic transabdominal preperitoneal repair for recurrent inguinal hernia after Kugel hernioplasty: A case report
Robotic transabdominal preperitoneal repair for recurrent inguinal hernia after Kugel hernioplasty: A case report Open
View article: A Case of Benign Multicystic Peritoneal Mesothelioma Arising in the Paracolon
A Case of Benign Multicystic Peritoneal Mesothelioma Arising in the Paracolon Open
View article: A Case of Rectal Cancer with Intussusception Resected Laparoscopically
A Case of Rectal Cancer with Intussusception Resected Laparoscopically Open
View article: IRIS U kit usefulness in transanal total mesorectal excision for lower rectal cancer to avoid urethral injury
IRIS U kit usefulness in transanal total mesorectal excision for lower rectal cancer to avoid urethral injury Open
Transanal total mesorectal excision (taTME) has improved the laparoscopic dissection for rectal cancer in the narrow pelvis. Although taTME has more clinical benefits than laparoscopic surgery, such as a better view of the distal rectum an…
View article: Bilateral laparosocopic lateral lymph node dissection by the totally extraperitoneal approach after intersphincteric resection of the lower rectum: report of a case
Bilateral laparosocopic lateral lymph node dissection by the totally extraperitoneal approach after intersphincteric resection of the lower rectum: report of a case Open
Introduction and Importance: Lateral lymph node dissection (LLND) for recurrent lateral pelvic lymph node metastasis could be the only surgical treatment to improve its prognosis, but is difficult and challenging technically. Case Presenta…
View article: Successful treatment for sports hernia by total extraperitoneal repair with intraperitoneal examination: Report a case
Successful treatment for sports hernia by total extraperitoneal repair with intraperitoneal examination: Report a case Open
We show that intraperitoneal examination with TEP might be one of options for treating such a sports hernia. Endoscopic placement of the retropubic mesh must be considered an important option for this type of hernia.
View article: Medium-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for right-sided and left-sided colon cancer: propensity score matching analysis
Medium-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for right-sided and left-sided colon cancer: propensity score matching analysis Open
View article: Long-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for colon cancer: propensity score matching analysis
Long-term oncological outcomes of totally laparoscopic colectomy with intracorporeal anastomosis for colon cancer: propensity score matching analysis Open
Background This retrospective study aimed to compare long-term oncological outcomes between laparoscopic-assisted colectomy (LAC) with extracorporeal anastomosis (EA) and totally laparoscopic colectomy (TLC) with intracorporeal anastomosis…
View article: Demystifying post-hepatectomy enzyme kinetics for the surgical learner: an analysis of 989 major hepatectomies
Demystifying post-hepatectomy enzyme kinetics for the surgical learner: an analysis of 989 major hepatectomies Open
View article: Successful Laparoscopic Treatment of Pancreatic Metastasis From Sigmoid Colon Cancer: A Case Report
Successful Laparoscopic Treatment of Pancreatic Metastasis From Sigmoid Colon Cancer: A Case Report Open
Progressive colorectal cancer frequently presents with various manifestations, including hepatic, pulmonary, and peritoneal metastases, as well as local and anastomotic site recurrences. However, pancreatic metastasis is extremely rare. Co…
View article: A case report of the transanal lateral lymph node dissection with a combined abdominal assisted approach for the lower rectal cancer
A case report of the transanal lateral lymph node dissection with a combined abdominal assisted approach for the lower rectal cancer Open
Curative resection has become available for rectal cancer with transanal LPLN dissection. LPLN dissection with combined abdominal and transanal approaches is a feasible treatment for advanced rectal cancer.
View article: Laparoscopic cholecystectomy following extended totally extraperitoneal repair of a ventral hernia: A case report
Laparoscopic cholecystectomy following extended totally extraperitoneal repair of a ventral hernia: A case report Open
We concluded that if the surgery is completed without damaging the mesh site, mesh infection after abdominal contamination surgery may be avoided.
View article: Emergency laparoscopic cholecystectomy for hemorrhagic cholecystitis: A case report
Emergency laparoscopic cholecystectomy for hemorrhagic cholecystitis: A case report Open
View article: Clinical outcome of the Gant-Miwa-Thiersch procedure for colonic mucosal prolapse after intersphincteric resection—a single-center report from Japan
Clinical outcome of the Gant-Miwa-Thiersch procedure for colonic mucosal prolapse after intersphincteric resection—a single-center report from Japan Open
Mucosal plication is performed via the Gant-Mowa or Delorme procedure to reduce the risk of recurrence. However, mucosal plication can be performed many times. Our Thiersch procedure involves encircling and straightening the anal canal wit…
View article: Granular cell tumor coexisting with adenocarcinoma in the stomach: Report of a rare case
Granular cell tumor coexisting with adenocarcinoma in the stomach: Report of a rare case Open
We believe that the coexistence of a GCT and gastric cancer in our patient was accidental and that there was no relation between them.
View article: Collision Tumor Comprising Primary Malignant Lymphoma and Adenocarcinoma in the Ascending Colon
Collision Tumor Comprising Primary Malignant Lymphoma and Adenocarcinoma in the Ascending Colon Open
We describe the case of a 78-year-old man with collision tumor from the primary malignant lymphoma and adenocarcinoma in the ascending colon. He suffered anemia from sigmoid colon cancer, and colonoscopy revealed early-stage colorectal can…
View article: Resection of Liver Metastasis from Gastric Neuroendocrine Cell Carcinoma—Report of a Case—
Resection of Liver Metastasis from Gastric Neuroendocrine Cell Carcinoma—Report of a Case— Open
症例は61歳，男性．進行胃癌［cT4a （SE） N2M0;cStage III］に対し，幽門側胃切除切除術（D2郭清）を施行した．病理学的検査では低分化型腺癌であったため，術後補助化学療法としてS－1を開始した．しかし，術後3カ月目に肝転移を認め，転移巣は肝のみであったため患者・家族と十分な協議の上，外科的切除の方針とし，肝右葉切除を施行した．臨床経過も踏まえ，免疫染色を含む病理学的検査を原発巣・転移巣に施行したところ，胃神経内分泌細胞癌と診断した．退院後，CPT-11+…
View article: Two patients with dislocated pancreatic duct stents after pancreaticoduodenectomy
Two patients with dislocated pancreatic duct stents after pancreaticoduodenectomy Open
症例1は50代男性,遠位胆管癌に対し,膵頭十二指腸切除術が施行された.術後19か月に発熱,肝機能異常があり,受診した.DIC-CTでは左肝管に造影欠損像がみられ,結石が疑われた.禁食,抗菌薬投与で軽快し,他院にて小腸内視鏡を使用し採石,更に迷入したロストチューブを抜去した.症例2は50代女性,IPMAに対して,膵頭十二指腸切除術が施行された.術後6か月に心窩部痛で受診した.腹部造影CTでは膵管内にロストチューブ,膵腫大を認め,更に周囲に炎症を認めた.禁食,蛋白分解酵素阻害薬…
View article: Closure of enterotomy after side-to-side ileocolic anastomosis with two barbed sutures in totally laparoscopic colectomy for right-sided colon cancer
Closure of enterotomy after side-to-side ileocolic anastomosis with two barbed sutures in totally laparoscopic colectomy for right-sided colon cancer Open
Good short-term outcomes of intracorporeal ileocolic anastomosis (IIA) in totally laparoscopic colectomy for right-sided colon cancer (TLRC) have been shown in many reports, but no standardized technique for enterotomy closure after staple…
View article: A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01)
A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01) Open
View article: A case of a patient in whom the cause of three episodes of hematochezia was different each time
A case of a patient in whom the cause of three episodes of hematochezia was different each time Open
There are various causes of hematochezia, among which diverticulum hemorrhage is a pathological condition that is often encountered in the clinic and often occurs repeatedly. Therefore, if a patient who has a history of diverticulum hemorr…
View article: A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01)
A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01) Open
Background: Although surgery is the definitive curative treatment for biliary tract cancer (BTC), outcomes after surgery alone have not been satisfactory. Adjuvant therapy with S-1 may improve survival in patients with BTC. This study exam…
View article: A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01)
A prospective feasibility study of one-year administration of adjuvant S-1 therapy for resected biliary tract cancer in a multi-institutional trial (Tokyo Study Group for Biliary Cancer: TOSBIC01) Open
Background: Although surgery is the definitive curative treatment for biliary tract cancer (BTC), outcomes after surgery alone have not been satisfactory. Adjuvant therapy with S-1 may improve survival in patients with BTC. This study exam…
View article: Ultimate Stomaless Technique of Two-Stage Operation for Lower Rectal Cancer Performed on a Patient with a High Body Mass Index: The Reborn Operation (Novel Pull-Through Method)
Ultimate Stomaless Technique of Two-Stage Operation for Lower Rectal Cancer Performed on a Patient with a High Body Mass Index: The Reborn Operation (Novel Pull-Through Method) Open
A 58-year-old Japanese man, with a body mass index of 41.7 kg/m2 (height: 179.8 cm; weight: 133.8 kg), underwent a laparoscopic pull-through procedure with delayed coloanal anastomosis performed in two surgical stages for lower …
View article: Pre-hepatectomy type IV collagen 7S predicts post-hepatectomy liver failure and recovery
Pre-hepatectomy type IV collagen 7S predicts post-hepatectomy liver failure and recovery Open
Preoperative type IV collagen 7S is a preoperative predictor of PHLF and long-term postoperative liver function recovery. It can also be used in patients without chronic hepatitis virus.