[A Case of Bone Marrow Carcinomatosis Associated with Breast Cancer with Anemia and Thrombocytopenia Successfully Treated with Aromatase Inhibitor Therapy].

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.

[A case of primary duodenal cancer recurrence successfully treated with CapeOX therapy].

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.

[A case of gastric large cell neuroendocrine carcinoma (LCNEC) for whom chemotherapy of CDDP+CPT-11 proved very effective].

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.

Localized giant inflammatory polyposis of the cecum associated with distal ulcerative colitis.

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.