Publications by authors named "Masataka Masubuchi"

We present a case of a 69-year-old man who had localized pleural metastasis without other organ metastases after nephrectomy for right renal cell carcinoma (RCC). He complained of respiratory symptoms for more than two years after the operation and was confirmed to have right pleural effusion and multiple pleural masses on computed tomography (CT). There were no abnormal findings in the other organs, but the pleural mass gradually increased in size on CT.

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Background: Aside effect of anti-angiogenic agent treatment is proteinuria. Evaluation of the severity of adverse effects and the decision to discontinue treatment is based on the qualitative analysis of urinary proteins. However, a qualitative analysis result may not be indicative of the actual amounts of protein excreted.

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Everolimus is an mTOR (the mammalian target of rapamycin) inhibitor, which is used for the treatment of advanced renal cell carcinoma. Life-threatening hemorrhages are extremely rare adverse effect of everolimus. We herein report a successfully treated case of severe everolimus-related gastrointestinal hemorrhage by emergency surgical resection for patient with advanced renal cell carcinoma.

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There have been few reports about symptomatic pericardial diverticula. We describe 2 patients of symptomatic pericardial diverticula whose symptoms were relieved after surgery. The first patient complained of severe left anterior chest pain for a period of 6 months, and a pericardial diverticulum 4 x 3 cm in size was detected on the right side of the ascending aorta opposite the symptomatic side.

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The patient was a 57-year-old man. The chief complaints were bleeding upon defecation and decreased body weight. He came to our department in May 2006 because the bleeding had been observed since summer 2005 and he had lost 7 kg in one year.

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