Yasuhito Shoji

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BACKGROUND We previously reported that arterial infarction of vital organs after lobectomy might occur only after left upper lobectomy and be caused by thrombosis in the left superior pulmonary vein stump. We hypothesized that changes in blood flow, such as blood stasis and disturbed stagnant flow, in the left superior pulmonary vein stump cause thrombosis,(More)
BACKGROUND CD40 and CD154 are associated with lymphocyte signaling pathways and they are also expressed in some malignant neoplasms, but the significance in pancreatic cancer is unknown. METHODS Eighty pancreatic cancer specimens were stained immunohistochemically, and the results were correlated with the patients' clinicopathologic features.(More)
This report proposes a concept for the standardization of immunohistochemical evaluation. Immunohistochemical staining has several problems associated with the sensitivity of the technical process and standardization of the assessment of potent staining. We provided data focusing on this concept through immunostaining(More)
Over-expression of eIF4E indicates a poor prognosis in different tumors. In the present study, we investigated the frequency of eIF4E, 4E-BP1 and phosphorylated 4E-BP1 expression in PDAC cell lines, gastric carcinoma (GC) cell lines and human embryonic pancreatic cells, as well as gene therapy using translation repressor gene 4E-BP1 in combination with the(More)
BACKGROUND AND OBJECTIVES Factors that contribute to difficult laparoscopic cholecystectomy (LC) in acute cholecystitis (AC) that would affect the performance of early surgery remain unclear. The purpose of this study was to identify such risk factors. METHODS One hundred fifty-four patients who underwent LC for AC were retrospectively analyzed. The(More)
A 33-year-old woman was referred to our hospital with a complaint of left breast tumor. After examinations, she was diagnosed as invasive ductal carcinoma with sternum metastasis (T2N0M1(OSS), Stage IV). The tumor was hormone receptor- positive and HER2-negative. Primary systemic chemotherapy with FEC was performed. After four courses, the efficacy was(More)
A 53-year-old woman suffering from nausea and vomiting was admitted to our hospital. There was a large ulcer from her left anterior chest to her right side chest. After pathological examination from the ulcer, she was diagnosed as breast cancer, scirrhous carcinoma. The estrogen and progesterone receptors were positive in the tumor. HER2 score was 1+ in the(More)
A 5 6-year-old woman underwent modified radical mastectomy for left breast cancer in 2002. Bone metastases developed in November 2005, and she received pamidronate from February 2006. Pamidronate was changed to zoledronate in November 2006. In November 2007, she was referred to a dentist for pain and swelling of the right lower gum. Conservative therapy(More)
BACKGROUND The co-stimulatory molecule cluster of differentiation 40 (CD40) is widely expressed in various types of malignant tumors, but its role remains unclear. The purpose of this study was to investigate the relationship between CD40 expression and clinicopathological variables in patients with esophageal squamous cell carcinoma (ESCC), as well as the(More)