Publications by authors named "Yasushi Kirii"

The patient was a 61-year-old woman who presented to the hospital with the chief complaints of anemia and thrombocytopenia. There was a mass in her left breast, and a needle biopsy with pathology revealed invasive ductal carcinoma, which was HR-positive and HER2-negative. A PET scan revealed multiple bone metastases, which were confirmed on bone marrow biopsy, leading to the diagnosis of bone marrow carcinomatosis.

View Article and Find Full Text PDF
Article Synopsis
  • Pyogenic granuloma (PG) is a rare, polyp-like tumor found in the gastrointestinal tract, especially the small intestine, with limited documented cases.
  • A 58-year-old man experienced fatigue and severe anemia; imaging revealed a hypervascular tumor in the small bowel, and a polypoid lesion was confirmed through double-balloon endoscopy.
  • Following laparoscopic resection, the tumor was identified as PG, and the patient's anemia improved significantly after surgery, eliminating the need for iron supplements.
View Article and Find Full Text PDF
Article Synopsis
  • * The patient experienced symptoms like fever and abdominal pain, and imaging revealed a 10-cm tumor with signs of necrosis.
  • * Following surgery, the tumor was confirmed as a high-risk GIST, and the patient was treated with imatinib mesylate, successfully remaining disease-free for one year post-operation.
View Article and Find Full Text PDF

A 55-year-old man was admitted to our hospital because of nausea and vomiting. An endoscopic examination and computed tomography(CT)scan revealed a duodenal tumor. A biopsy confirmed a diagnosis of primary duodenal adenocarcinoma.

View Article and Find Full Text PDF

Large cell neuroendocrine carcinoma(LCNEC)is a relatively new category with biological behavior similar to small cell carcinoma. Thus, it is reportedly well treated by the same chemotherapy as for small cell carcinoma. We experienced a case of gastric large cell neuroendocrine carcinoma, treated very effectively by CDDP+CPT-11.

View Article and Find Full Text PDF

This case report describes a 68-year-old man who presented with bronchiolitis obliterans organizing pneumonia (BOOP) and gastric carcinoma. During evaluation, including a colonoscopy, he was found to have distal colitis and a giant polypoid lesion in the cecum that was diagnosed as localized giant inflammatory polyposis (LGIP) by magnifying colonoscopy. The patient was treated over a period of 3 years without surgery, and the LGIP was reduced in size during the follow-up period.

View Article and Find Full Text PDF