Hideki Aoki
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View article: Prognostic Impact of Pancreatic Body/Tail Cancer Involving the Portal Vein: A Project Study of the Japanese Society of Hepato‐Biliary‐Pancreatic Surgery
Prognostic Impact of Pancreatic Body/Tail Cancer Involving the Portal Vein: A Project Study of the Japanese Society of Hepato‐Biliary‐Pancreatic Surgery Open
Background Although portal vein (PV) contact ≤ 180° in pancreatic body/tail ductal adenocarcinoma (PbtCa) is a criterion for resectable, adequate evidence has not been established yet. Methods This retrospective study analyzed 1693 patient…
View article: Changes over time in treatment for obstructive jaundice
Changes over time in treatment for obstructive jaundice Open
This editorial discusses an article by Peng et al . This study reviewed the efficacy and safety of a new approach for treating obstructive jaundice. Although the pathophysiology of obstructive jaundice has not yet been fully elucidated, pr…
View article: Utility of Follow-Up Computed Tomography (CT) and Fluorodeoxyglucose-Positron Emission Tomography/CT (FDG-PET/CT) in Diagnosing Gastrointestinal Stromal Tumor (GIST) Presenting as Spontaneous Hemoperitoneum: A Case Report
Utility of Follow-Up Computed Tomography (CT) and Fluorodeoxyglucose-Positron Emission Tomography/CT (FDG-PET/CT) in Diagnosing Gastrointestinal Stromal Tumor (GIST) Presenting as Spontaneous Hemoperitoneum: A Case Report Open
View article: Two cases of sigmoid colon cancer with intussusception prolapsing through the anus in adults: consideration of preoperative reduction and surgical approaches: case reports
Two cases of sigmoid colon cancer with intussusception prolapsing through the anus in adults: consideration of preoperative reduction and surgical approaches: case reports Open
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. Con…
View article: High risk of multiple gastric cancers in Japanese individuals with Lynch syndrome
High risk of multiple gastric cancers in Japanese individuals with Lynch syndrome Open
Aim Lynch syndrome (LS) is a dominantly inherited syndrome characterized by an increased risk for LS associated tumors such as colorectal cancer (CRC) and gastric cancer (GC). However, the clinical benefit of surveillance for GC remains un…
View article: The combination of preoperative celiac axis stenting and neoadjuvant chemotherapy in an elderly patient with pancreatic cancer: a case report
The combination of preoperative celiac axis stenting and neoadjuvant chemotherapy in an elderly patient with pancreatic cancer: a case report Open
View article: Effects of Hydrogen on Martensitic Transformation of Austenitic Stainless Steels under Low Cycle Fatigue
Effects of Hydrogen on Martensitic Transformation of Austenitic Stainless Steels under Low Cycle Fatigue Open
View article: Rare case of retroperitoneal mitotically active leiomyoma in a postmenopausal woman
Rare case of retroperitoneal mitotically active leiomyoma in a postmenopausal woman Open
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 i…
View article: The Relationship Between Physical Activity and Limited Range of Motion in the Older Bedridden Patients
The Relationship Between Physical Activity and Limited Range of Motion in the Older Bedridden Patients Open
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 w…
View article: Clinical features of biliary tract cancer in Japanese individuals with Lynch syndrome
Clinical features of biliary tract cancer in Japanese individuals with Lynch syndrome Open
MSI analysis could facilitate LS identification in individuals with BTC. Surveillance for BTC should be considered for MLH1 carriers in Japan.
View article: Two Cases of Thymic Cancer in Patients with Lynch Syndrome
Two Cases of Thymic Cancer in Patients with Lynch Syndrome Open
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…
View article: A Case Report of Pancreatic Cancer with Two Pancreatic Resections after Coronary Artery Bypass Grafting Using the Right Gastroepiploic Artery
A Case Report of Pancreatic Cancer with Two Pancreatic Resections after Coronary Artery Bypass Grafting Using the Right Gastroepiploic Artery Open
症例は75歳，男性．二度目の冠動脈バイパス術（coronary artery bypass graft;以下，CABG）で右胃大網動脈（right gastroepiploic artery;以下，RGEA）が用いられた．70歳時に膵管内乳頭粘液性腺癌（IPMC）で膵体尾部切除術を施行した．今回，繰り返す胆管炎に対する精査で遠位胆管癌と診断された．膵頭十二指腸切除術の予定としたが，冠動脈造影検査でグラフトの開存が確認され，グラフトの切除再建の可能性も視野に手術を行い，RGE…
View article: A Case of Sigmoid Colon Cancer with Leriche Syndrome Treated by Sigmoidectomy with Abdominal Wall Resection
A Case of Sigmoid Colon Cancer with Leriche Syndrome Treated by Sigmoidectomy with Abdominal Wall Resection Open
症例は63歳，男性．びまん性大細胞性B細胞リンパ腫の治療中に撮影されたPET-CTでS状結腸にFDGの異常集積が認められた．下部消化管内視鏡検査にてS状結腸癌が指摘され，術前の造影CTにて腫瘍の腹壁浸潤が疑われた．また，腹部大動脈の閉塞所見がみられLeriche症候群の合併が認められた．腹壁や体幹の側副血行路を介した下肢および骨盤内への供血が予想されたが，術前・術中に血流評価を行いつつ手術操作を進めることで血行再建を行わず安全に手術を施行することができた．腹壁合併切除を伴う…
View article: Efficacy of surgical management for recurrent intrahepatic cholangiocarcinoma: A multi-institutional study by the Okayama Study Group of HBP surgery
Efficacy of surgical management for recurrent intrahepatic cholangiocarcinoma: A multi-institutional study by the Okayama Study Group of HBP surgery Open
Surgical resection of recurrent ICC could improve survival after recurrence, especially for patients with intra- or extrahepatic recurrence as resectable oligo-metastases.
View article: Nutritional assessment and surgical outcomes in very elderly patients undergoing pancreaticoduodenectomy: a retrospective study
Nutritional assessment and surgical outcomes in very elderly patients undergoing pancreaticoduodenectomy: a retrospective study Open
Background Conflicting data on the safety of pancreaticoduodenectomy (PD) for elderly patients exist. Therefore, this study aimed to evaluate and compare the nutritional factors and clinical outcomes of PD between elderly and non-elderly p…
View article: Adequacy evaluation of the annual colonoscopic surveillance and individual difference of disease phenotypes in Lynch syndrome
Adequacy evaluation of the annual colonoscopic surveillance and individual difference of disease phenotypes in Lynch syndrome Open
Background Regular endoscopic surveillance for Lynch syndrome is reported to reduce colorectal cancer (CRC)-related mortality. However, the appropriate surveillance intervals are still unclear. We evaluated the adequacy of annual colonosco…
View article: Preoperative C-Reactive Protein/Albumin Ratio as a Predictive Factor for Gallbladder Carcinoma
Preoperative C-Reactive Protein/Albumin Ratio as a Predictive Factor for Gallbladder Carcinoma Open
Preoperative CAR may be a significant independent predictor of long-term outcomes after GBC resection.
View article: Preoperative predictive factors of pancreatic fistula after pancreaticoduodenectomy: usefulness of the CONUT score
Preoperative predictive factors of pancreatic fistula after pancreaticoduodenectomy: usefulness of the CONUT score Open
Patients with a high CONUT score are at high risk of POPF. Further study correlating preoperative nutritional intervention with risk of POPF is necessary.
View article: Preoperative Nutritional Assessment Using the Controlling Nutritional Status Score to Predict Pancreatic Fistula After Pancreaticoduodenectomy
Preoperative Nutritional Assessment Using the Controlling Nutritional Status Score to Predict Pancreatic Fistula After Pancreaticoduodenectomy Open
Patients with high CONUT score are at high risk for POPF. Preoperative nutritional intervention such as immunonutrition might help reduce the POPF risk in these patients.
View article: Pancreatic Ductal Adenocarcinoma in Remnant Pancreas after Pancreaticoduodenectomy for Acinar Cell Carcinoma: A Case Report
Pancreatic Ductal Adenocarcinoma in Remnant Pancreas after Pancreaticoduodenectomy for Acinar Cell Carcinoma: A Case Report Open
We report a case of a pancreatic ductal adenocarcinoma (PDAC) in the remnant pancreas of a 78-year-old man after pancreaticoduodenectomy for acinar cell carcinoma, a relatively rare pancreatic neoplasm. After diagnosis of pancreatic carcin…
View article: Laparoscopic Resection of a Malignant Lymphoma in the Small Intestine Discovered Accidentally after Intestinal Perforation: A Case Report
Laparoscopic Resection of a Malignant Lymphoma in the Small Intestine Discovered Accidentally after Intestinal Perforation: A Case Report Open
小腸穿孔を契機に発見され腹腔鏡下で切除した小腸悪性リンパ腫の１例を経験したので報告する．症例は82歳，女性．腹痛で当院救急外来に搬送された．CT検査で骨盤内小腸の壁肥厚とその周囲にfree airを認め，小腸穿孔による汎発性腹膜炎と診断し緊急手術となった．腹腔鏡補助下回腸部分切除術と腹腔内ドレナージ術を施行した．病理診断は小腸悪性リンパ腫と診断された．消化管穿孔の原因部位が特定できない腹膜炎症例には腹腔鏡下に検索を行い，術式を選択することは有用である．また，小腸悪性リンパ腫…
View article: Electrical Stimulation in Addition to Passive Exercise Has a Small Effect on Spasticity and Range of Motion in Bedridden Elderly Patients: A Pilot Randomized Crossover Study
Electrical Stimulation in Addition to Passive Exercise Has a Small Effect on Spasticity and Range of Motion in Bedridden Elderly Patients: A Pilot Randomized Crossover Study Open
Purpose: Belt electrode skeletal muscle electrical stimulation (B-SES) can stimulate large portions of muscles including deep sites without localisation of the stimulation area. The purpose of this study is to investigate both immediate tr…
View article: Surface characterization of the nano‐HA film coated on titanium by a new method
Surface characterization of the nano‐HA film coated on titanium by a new method Open
Background Nano-hydroxyapatite shows excellent biological properties and was applied as a coating material. A couple of coating methods were introduced, however, one of the most popular methods, plasma spraying, produced ‘thick’ coating wh…
View article: Safety and indication of surgical treatment for elderly patients with gallbladder carcinoma
Safety and indication of surgical treatment for elderly patients with gallbladder carcinoma Open
View article: Usefulness of the milk test to prevent chylous ascites after pancreatectomy
Usefulness of the milk test to prevent chylous ascites after pancreatectomy Open
View article: Metachronous colorectal carcinoma with massive submucosal invasion detected by annual surveillance in a Lynch syndrome patient: a case report
Metachronous colorectal carcinoma with massive submucosal invasion detected by annual surveillance in a Lynch syndrome patient: a case report Open
View article: Evaluation of surgical treatment for incidental gallbladder carcinoma diagnosed during or after laparoscopic cholecystectomy: single center results
Evaluation of surgical treatment for incidental gallbladder carcinoma diagnosed during or after laparoscopic cholecystectomy: single center results Open
Although the number of cases was small, the results of this study further support the suggestion that gallbladder carcinoma may be curable if diagnosed as IGBC at an early stage. If the cancer has reached an advanced stage, radical surgery…
View article: Synchronous coexistence of liver metastases from cecal leiomyosarcoma and rectal adenocarcinoma: A case report
Synchronous coexistence of liver metastases from cecal leiomyosarcoma and rectal adenocarcinoma: A case report Open
Multiple liver tumors represent a challenging condition for abdominal surgeons both in the selection of technique and the rarity of diagnosis. There are no case reports on co-existence of liver metastases from both intestinal leiomyosarcom…
View article: A Case of Basaloid-squamous Carcinoma of the Esophagus Surviving for 4 Years and 3 Months after Resection of Hepatic Metastases
A Case of Basaloid-squamous Carcinoma of the Esophagus Surviving for 4 Years and 3 Months after Resection of Hepatic Metastases Open
食道類基底細胞癌はまれな疾患で，予後は不良とされている．さらに肝転移巣を切除後，長期生存を得られた症例はまれである．今回，われわれは原発巣切除後に肝転移を2度切除し，長期生存を得られた症例を経験したので報告する．症例は59歳の男性．嚥下時つかえ感を主訴に来院し，精査を行った結果，胸部下部食道に2型腫瘍を認めた．食道亜全摘術を施行し，二期的再建前に肝S7に転移性肝腫瘍の出現を認めた．再建と同時に肝部分切除術を施行し，食道類基底細胞癌の肝転移と診断した．経過観察中に再度肝S7に…
View article: Surgical resection of splenic metastasis from the adenosquamous gallbladder carcinoma: A case report
Surgical resection of splenic metastasis from the adenosquamous gallbladder carcinoma: A case report Open
This is the first report on the adenosquamous splenic metastasis from the gallbladder carcinoma. Curative resection may be the treatment of choice for prolonging survival in patients with the splenic metastasis of gallbladder carcinoma.