Yoshihiro Hamada
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View article: Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction
Correction to: Prediction of the wall‑invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction Open
View article: Prediction of the wall-invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction
Prediction of the wall-invasion pattern of advanced gallbladder carcinoma using extracellular volume fraction Open
Purpose This study aimed to evaluate the utility of extracellular volume (ECV) fraction for predicting wall-invasion patterns in advanced gallbladder carcinoma (GBCA). Materials and methods Patients who had surgically resected GBCA at a si…
View article: Invasive Tracheobronchial Aspergillosis: A Fatal Complication in a Patient With Treated Mediastinal Lung Adenocarcinoma
Invasive Tracheobronchial Aspergillosis: A Fatal Complication in a Patient With Treated Mediastinal Lung Adenocarcinoma Open
View article: Small Intestine Metastasis Leads to the Diagnosis of Thoracic SMARCA4-Deficient Undifferentiated Tumor: A Case Report
Small Intestine Metastasis Leads to the Diagnosis of Thoracic SMARCA4-Deficient Undifferentiated Tumor: A Case Report Open
View article: Exploration of reference genes for the development of a diagnostic kit on vascular aging in human saliva
Exploration of reference genes for the development of a diagnostic kit on vascular aging in human saliva Open
Identifying reliable biomarkers in saliva can be a promising approach to developing a rapid diagnostic kit for detecting vascular aging. This study investigated the most suitable reference gene for polymerase chain reaction (PCR) in saliva…
View article: A Case of Intracholecystic Papillary Neoplasm with Early Recurrence of Liver Metastases after Curative Resection
A Case of Intracholecystic Papillary Neoplasm with Early Recurrence of Liver Metastases after Curative Resection Open
症例は61歳,女性.貧血精査の上部内視鏡検査にて胃前庭部に圧排性病変を指摘された.造影CTにて胆嚢内を占拠する血流豊富な充実性病変を認めたが,明らかな漿膜および肝浸潤は認めなかった.胆嚢癌を疑い手術予定であったが,外来待機中に胆嚢炎を発症し,準緊急にて開腹拡大胆嚢摘出術および肝門部リンパ節郭清術を施行した.病理は広範な出血・壊死を伴う高異型度intracholecystic papillary neoplasm(ICPN)で,胆嚢管断端に腫瘍浸潤はなく,リンパ節転移も認めな…
View article: Gallbladder Intramucosal Carcinoma Arising in a Cholesterol Polyp: A Case Report
Gallbladder Intramucosal Carcinoma Arising in a Cholesterol Polyp: A Case Report Open
Cholesterol polyp is the most common benign disease of gallbladder polyps, and is considered not to be the origin of malignancy. Herein, we report a rare case of a well-differentiated adenocarcinoma arising in a gallbladder cholesterol pol…
View article: Eosinophilic Granuloma of the Liver Mimicking Metastatic Liver Tumor
Eosinophilic Granuloma of the Liver Mimicking Metastatic Liver Tumor Open
We herein report a case of coagulation necrosis with granulation and eosinophilic infiltration of the liver. A 37-year-old woman was diagnosed with a new mass lesion in the liver 1 month after breast cancer surgery and admitted for a furth…
View article: Recognition and pathological features of periampullary region adenocarcinoma with an indeterminable origin
Recognition and pathological features of periampullary region adenocarcinoma with an indeterminable origin Open
Determination of the primary tumor in periampullary region carcinomas can be difficult, and the pathological assessment and clinicopathological characteristics remain elusive. In this study, we investigated the current recognition and prac…
View article: A deep learning model to detect pancreatic ductal adenocarcinoma on endoscopic ultrasound-guided fine-needle biopsy
A deep learning model to detect pancreatic ductal adenocarcinoma on endoscopic ultrasound-guided fine-needle biopsy Open
Histopathological diagnosis of pancreatic ductal adenocarcinoma (PDAC) on endoscopic ultrasonography-guided fine-needle biopsy (EUS-FNB) specimens has become the mainstay of preoperative pathological diagnosis. However, on EUS-FNB specimen…
View article: Gastroesophageal Varices and Hyperplastic Nodules of the Liver in a Patient with Anorexia Nervosa
Gastroesophageal Varices and Hyperplastic Nodules of the Liver in a Patient with Anorexia Nervosa Open
We report a case of anorexia nervosa (AN) with gastroesophageal varices (GEV) in a 36-year-old woman. The patient presented to our hospital with progressive bloating due to severe ascites. She had no history of alcohol intake. Esophagogast…
View article: A Case of Perihilar Cholangiocarcinoma Occurring 49 Years after Surgery for Congenital Biliary Duct Dilatation and 28 Years after Pancreaticoduodenectomy for Pancreatic Duct Stones
A Case of Perihilar Cholangiocarcinoma Occurring 49 Years after Surgery for Congenital Biliary Duct Dilatation and 28 Years after Pancreaticoduodenectomy for Pancreatic Duct Stones Open
症例は50歳の女性で，1歳11か月のときに先天性胆道拡張症に対して肝外胆管切除術，胆管空腸吻合術を施行された．22歳のときに膵頭部の膵石症に対して膵頭十二指腸切除術を施行された．49歳ごろから逆行性胆管炎を繰り返すようになり，当科紹介となった．CTで挙上空腸に狭窄および胆管空腸吻合部近傍に囊状拡張を認め，ERCPにて肝門部胆管に顆粒状粘膜がみられ，生検により腺癌と診断した．病変は左右肝管二次分枝を越えて進展しており，挙上空腸に直接浸潤し狭窄を来していたため，切除不能肝門部胆…
View article: Undifferentiated carcinoma of the pancreas with osteoclast-like giant cells showing intraductal growth and intratumoral hemorrhage: MRI features
Undifferentiated carcinoma of the pancreas with osteoclast-like giant cells showing intraductal growth and intratumoral hemorrhage: MRI features Open
We report a case of undifferentiated carcinoma of the pancreas with osteoclast-like giant cells ocalized within the main pancreatic duct (MPD). A 61-year-old woman was referred to our hospital for evaluation of dilatation of the MPD that w…
View article: Hepatectomy for Liver Metastases of Colorectal Cancer After Adoptive Chemoimmunotherapy Using Activated αβ T-cells
Hepatectomy for Liver Metastases of Colorectal Cancer After Adoptive Chemoimmunotherapy Using Activated αβ T-cells Open
Hepatectomy after chemoimmunotherapy using activated αβ T-cells for CLM can be performed safely.