Publications by authors named "Hayato Yoshida"

A 72-year-old man underwent right hemicolectomy for transverse colon cancer(pT4aN1aM0, Stage ⅢB), after which he received adjuvant chemotherapy(capecitabine plus oxaliplatin[CAPOX])for 6 months. Three years after the first surgery, FDG-PET/CT revealed a tumor in the abdomen. He underwent a tumorectomy and adjuvant chemotherapy(CAPOX plus bevacizumab[BV])performed for 6 months.

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Respiratory symptoms are rarely reported as side effects of oxaliplatin, 5-fluorouracil, and Leucovorin(FOLFOX)therapy. We report a case of a patient with FOLFOX-induced unilateral interstitial pneumonia. The patient was a 68-year-old man who underwent ileocecal resection of cecum cancer.

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A 31-year-old man presented to our hospital's Emergency Department with sudden epigastric pain and vomiting. He had undergone endoscopic resection via the retroperitoneal route for a retroperitoneal tumor located in the left diaphragmatic crus of the esophageal hiatus at another hospital 8 months previously. Radiography and computed tomography showed inversion of the stomach beyond the diaphragm into the thoracic cavity, with the gastroesophageal junction serving as the fulcrum point.

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We herein report the case of a 76-year-old female patient who had undergone gastrectomy for advanced gastric cancer (histologically tubular adenocarcinoma)before 5 months, presenting with abdominal skin tumor. A skin biopsy revealed tubular adenocarcinoma. Positron emission tomography-computed tomographic scanning detected right breast tumor.

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Introduction: Extreme lateral interbody fusion is a minimally invasive lateral transpsoas approach for spine surgery. We herein report a case of an incisional hernia after an extreme lateral interbody fusion on the lumbar spine that was successfully treated by laparoscopic surgery with intraperitoneal onlay mesh repair.

Presentation Of Case: A 78-year-old woman was referred to our hospital with a complaint of left abdominal bulge and pain.

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Introduction: Cryptorchidism or undescended testis is the most common disorder of male children, which is often diagnosed and treated during childhood. Adult patients with cryptorchidism are uncommon. Herein we report the case of adult inguinal hernia with cryptorchidism successfully treated by laparoscopic surgery simultaneously.

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A highly efficient, two-stage, continuous-flow synthesis of vitamin D(3) from provitamin D(3) was achieved. The developed method afforded the desired product in high yield (HPLC-UV: 60%, isolated: 32%) and required neither intermediate purification nor high-dilution conditions.

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