Publications by authors named "Kouhei Hatta"

Article Synopsis
  • The study reviewed clinical records of 81 patients with stage IV low rectal carcinoma to evaluate the impact of lateral lymph node dissection (LLND) on treatment outcomes compared to stage III patients.
  • There were no significant differences in lateral node metastasis or local recurrence rates between stage IV patients who underwent different surgical approaches (Cur B vs. Cur C).
  • LLND may improve prognosis and local control in Cur B patients, but stage C patients had poor outcomes regardless of lymph node status, indicating a need for further research on LLND's effects for these patients.
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Article Synopsis
  • Researchers developed a classification system for patients with peritoneal metastasis of colorectal cancer based on lesion size, number, and distribution, indicating treatment strategies.
  • Analysis of 67 patients revealed better prognoses for those with fewer lesions and peritoneal metastasis confined to one region, highlighting the impact of tumor resection on survival rates.
  • The study concluded that classifying patients into localized and nonlocalized groups can guide treatment decisions, with primary tumor resection significantly improving survival outcomes.
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We reviewed the clinical records of 9 patients with anal squamous cell carcinoma (SCC) chiefly to evaluate the effectiveness of chemoradiotherapy (CRT). Surgery was performed in 1 patient; radiotherapy (RT), in 2; and CRT, in 6. RT consisted of 40 Gy delivered to the pelvic and bilateral inguinal lesions, and a perianal booster dose of 20 Gy in fractions of 2.

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We reviewed the clinical records of 13 patients who received preoperative chemoradiotherapy(CRT)to evaluate the clinical effectiveness of CRT for T4b rectal cancer. Preoperative radiotherapy consisted of 40-50 Gy delivered in fractions of 1.8-2.

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Malakoplakia in the gastrointestinal tract is rare in healthy young people without underlying disease. Sufficient tissue is required for accurate diagnosis. We describe a malakoplakia that developed in a healthy young woman and was treated by endoscopic mucosal resection (EMR).

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We evaluated the effect of hepatic arterial infusion(HAI)chemotherapy for liver metastases from colorectal cancer. A total of 65 patients received HAI chemotherapy. The chemotherapy regimen consisted of weekly 5-FU (1, 500 mg/body) or 5-FU (400 mg/mm2) and l-LV (200mg/mm2).

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We reviewed clinical records of 10 cases with preoperative chemoradiotherapy to evaluate the clinical effectiveness of the chemoradiotherapy for T4 rectal cancer. The preoperative radiation therapy consisted of 40-50 Gy delivered in fractions of 1.8-2.

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