Publications by authors named "Atsushi Shirakawa"

Malignant peritoneal mesothelioma (MPM) is a rare malignant tumor with peritoneal thickening. Tuberculous peritonitis also shows peritoneal thickening, so differentiating between the two is important but difficult if latent tuberculosis infection (LTBI) is present. We herein report a patient with MPM and LTBI.

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Article Synopsis
  • The study examines the relationship between fecal hemoglobin levels and colorectal cancer (CRC) risk in patients with varying colonoscopy histories.
  • Researchers analyzed data from 1248 FIT-positive patients from a screening program, categorizing them by whether they had not undergone colonoscopy, had one over 5 years ago, or within 5 years.
  • They found that while advanced neoplasia detection rates increased with fecal hemoglobin concentration in patients who hadn't had a colonoscopy, there was no significant association in those who had one recently, suggesting low CRC risk despite high hemoglobin levels in these patients.
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Background And Aim: Because the risk of colorectal cancer has not been well examined in fecal immunochemistry test (FIT)-positive patients who previously underwent colonoscopy, this study aimed to investigate this topic.

Methods: This was a single-center, observational study of prospectively collected data in Japan. FIT-positive, average-risk patients who underwent colonoscopy were divided into groups as follows: those who never underwent colonoscopy in the past (no colonoscopy group), those with a history of colonoscopy between 6 months and 5 years (0.

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Background: Underwater endoscopic mucosal resection (U-EMR) has emerged as an alternative technique for the resection of colorectal lesions. This study aimed to evaluate our initial experience using U-EMR.

Methods: This is a single-center, retrospective case series study.

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A 78-year-old man with hypertension, nephrosclerosis, and angina pectoris visited his family doctor with a history of fatigue and leg edema. He had a history of percutaneous coronary intervention 5 years prior, and was taking low-dose aspirin. Blood tests revealed hypoalbuminemia, gastrointestinal Tc-HSA scintigraphy was positive, and alpha-1 antitrypsin clearance was high;therefore, the hypoalbuminemia was thought to be secondary to a protein-losing enteropathy.

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Gastrointestinal perforation is a serious adverse event that occurs in approximately 1% of patients receiving ramucirumab and paclitaxel. A 67-year-old man with unresectable advanced gastric cancer was admitted to our hospital and treated with ramucirumab and paclitaxel. Gastric perforation occurred during the second cycle of chemotherapy.

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Background And Aim: The significance of examination time of esophagogastroduodenoscopy (EGD) for asymptomatic examinees is yet to be established. We aimed to clarify whether endoscopists who allot more examination time can detect higher numbers of neoplastic lesions among asymptomatic examinees.

Methods: We reviewed a database of consecutive examinees who underwent EGD in our hospital from April 2010 to September 2015.

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