Hyeong Chan Shin

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The emergence of the targeted therapies for non-small cell lung carcinoma (NSCLC) has generated a need for accurate histologic subtyping of NSCLC. In this study, we assessed the utility of immunohistochemical markers that could be helpful in distinction between adenocarcinoma (ADC) and squamous cell carcinoma (SCC). We performed a battery of(More)
Plexiform angiomyxoid myofibroblastic tumor (PAMT) is a rare mesenchymal tumor of the stomach. To date, about 40 cases of PAMT have been reported in the literature. This tumor is not specific in clinical manifestations and microscopically characterized by a plexiform growth pattern. Here, we report the case of an 11-year-old male patient who was diagnosed(More)
Collision tumors of the stomach are rare. We report on a case of a collision tumor consisting of a gastrointestinal stromal tumor (GIST) and an inflammatory myofibroblastic tumor (IMT) of the stomach in a 16-year-old female. A polypoid mass located in the distal body of the stomach was observed on abdominal computed tomography. Laparoscopic wedge resection(More)
Primary ovarian large cell neuroendocrine carcinoma (LCNEC) is a rare tumor with a very poor prognosis and is included in the miscellaneous group category of the World Health Organization tumor classification. Most of these tumors are associated with other epithelial neoplasm. To the best of our knowledge, 30 cases have been reported in the English(More)
Epithelioid trophoblastic tumor is an unusual type of trophoblastic tumor. Here we report on the clinicopathologic and immunohistochemical features of three cases of epithelioid trophoblastic tumor. All three patients were of reproductive age and presented with vaginal bleeding and mild elevation of human chorionic gonadotropin (hCG). All patients underwent(More)
Small hepatocellular carcinoma (HCC) is defined as hepatocellular carcinoma measuring less than 2 cm in diameter. Sixty-one cases of small HCC were analyzed to investigate the pathologic features of small HCC. Sixty-one cases of small HCC were selected from HCC cases which underwent surgical resection at Yeungnam University Hospital. The pathologic findings(More)
Pancreatic ductal adenocarcinoma (PDA) is a malignant tumor with poor prognosis. The aim of this study was to examine the expression of E-cadherin in both pancreatic intraepithelial neoplasia (PanIN) and PDA and their relationship to clinicopathologic characteristics. Eighty one cases with PDA, 25 normal pancreases, 14 PanIN-1A, 17 PanIN-1B, 16 PanIN-2, and(More)
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