Publications by authors named "Koki Kamiyama"

One risk factor for anastomotic leakage (AL) after esophagectomy with retrosternal gastric reconstruction is excessive compression of the gastric tube at the thoracic inlet. In this study, we evaluated the effect of our modified procedure to reduce AL by placing the esophagogastric anastomosis below the thoracic inlet. Between January 2008 and December 2022, 174 consecutive patients underwent subtotal esophagectomy with retrosternal gastric pull up, followed by circular stapler anastomosis in our hospitals.

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Article Synopsis
  • - Cutaneous apocrine carcinoma (CAC) is a rare skin cancer originating in apocrine sweat glands, with no established evidence-based treatments available.
  • - A 61-year-old female diagnosed with axillary CAC and lymph node metastasis had surgery, revealing multiple metastases, and her tumor tested positive for estrogen and progesterone receptors, as well as HER2.
  • - The patient received chemotherapy, including anti-HER2 drugs, and hormone therapy, resulting in no recurrence for over three years, suggesting that breast cancer treatments could be effective for CAC due to similarities between apocrine glands and mammary glands.
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Although breast cancer treatments have made great strides in recent decades, there are still many recurrences. Late recurrence is one of the characteristics of breast cancer. Here, we present four cases of recurrence more than 10 years after the initial diagnosis.

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Respiratory failure is a common complication in patients with myotonic dystrophy (MD) and might be a presenting symptom in the perioperative setting. We report the case of a 59-year-old woman with MD who underwent open cholecystectomy and developed postoperative respiratory failure. Without reintubation, the patient was successfully managed with bilevel positive airway pressure (BiPAP) and was discharged uneventfully.

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A 74-year-old man with bloody vomit was diagnosed as having clinical Stage Ⅳ advanced gastric cancer with lymph node metastasis around the abdominal aorta. Initially, for curative surgery, he was administered neoadjuvant chemotherapy. On day 32, in the second course of chemotherapy containing S-1 after 12 courses of chemotherapy containing S-1 and cisplatin, he developed pan-peritonitis owing to the perforation of gastric cancer caused by chemotherapy, and thus, we performed emergency omental implantation and peritoneal drainage.

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The use of glucocorticoids for treatment of sepsis has waxed and waned during the past several decades, and recent randomized controlled trials have evoked a reassessment of this therapy. Most glucocorticoid actions are mediated by its specific intracellular receptors (GRs). Thus we initially evaluated whether sepsis and high-dose corticosteroid therapy can regulate guinea pig pulmonary expression of GRs: active receptor, GRalpha, and dominant negative receptor, GRbeta.

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