Keiichiro Hiramoto

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A 76-year-old woman with serous cystic tumor (SCT) was admitted to our hospital with abdominal pain and was given a diagnosis of severe acute pancreatitis. Infusion of intravenous protein inhibitor and continuous hemodiafiltration (CHDF) were started and she was placed on a respirator, but she died on the 6th day after diagnosis. On autopsy, each SCT cyst(More)
We report here two cases of advanced colorectal cancer which received chemotherapy, in which partial splenic embolization (PSE) had been effective for controlling splenomegaly and thrombocytopenia. Case 1: A 50-year-old man presented with bloody urine and bloody stool. Computed tomography (CT) showed rectosigmoid cancer with urinary bladder invasion. He(More)
A 65-year-old man was admitted to our hospital because of obstructive jaundice caused by a mass extending in the porta hepatis, neck of gall bladder and extrahepatic bile duct. The specimens obtained with ultrasound-guided needle biopsy showed malignant lymphoma (diffuse large B-cell lymphoma: DLBCL). CHOP with Rituximab therapy (R-CHOP therapy) was(More)
We report a rare case of metastatic colorectal cancer who suffered from hyperammonemic encephalopathy induced by 5- FU and was continuously treated with FOLFOX therapy. A 50-year-old man with ileus was diagnosed with ascending colon cancer Stage IV, and a right hemicolectomy was performed. Postoperative chemotherapy with modified FOLFOX6 was performed.(More)
A 40's woman was seen at the emergency room because of severe back pain and vomiting. Abdominal CT scan revealed a tumor about 7cm in diameter located on the retroperitoneum. For 6 hours after admission, her body temperature was 39°C and respiratory failure occurred. After 30 hours, the patient died because of a complication in circulatory failure. From the(More)
A 74-year-old man underwent regular follow-up observations after being diagnosed with gallbladder adenomyomatosis based on findings, such as the thickening of the wall of the gallbladder fundus and the presence of intramural cysts. Over the course of 3 years, a papillary tumor located on the thickened wall of the gallbladder had increased in size and(More)
We report a duodenal gastrinoma in a 50-year-old man who was admitted to our hospital with tarry stools. Esophagogastroduodenoscopy revealed multiple ulcers in the duodenal bulb and a submucosal tumor in the descending duodenum. His serum gastrin level was 1400pg/ml. We suspected Zollinger-Ellison syndrome and performed selective arterial calcium injection(More)
A 79-year-old man was admitted on the suspicion of acute pancreatitis. Computed tomography showed acute fluid collection but not typical acute pancreatitis; it formed pseudocysts gradually around the pancreas. Endoscopic retrograde pancreatography (ERP) revealed pancreatic disruption and leakage. Endoscopic nasopancreatic drainage (ENPD) and endoscopic(More)
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