Myung-Hwan Roh

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The degree of intratumoral microvascular density is thought to affect tumor metastasis and prognosis in various human cancers, including gastric cancer. Despite recent medical advancements, gastric adenoma or adenocarcinoma remains a considerable therapeutic challenge. Endoscopic submucosal dissection (ESD) is a more recent approach that is now commonly(More)
BACKGROUND/AIMS The purpose of this study is to elucidate the efficacy and safety of combined peginterferon and ribavirin therapy in Korean patients with chronic HCV infection. METHODS We retrospectively analyzed the clinical records of 84 patients. Thirty five patients with genotype 1 HCV infection were treated with peginterferon alpha-2a 180 microg/week(More)
Undifferentiated embryonal sarcoma is a rare primary malignant neoplasm of the liver. Undifferentiated sarcoma of the liver in adult is an uncommon hepatic tumor of mesenchymal origin, generally considered an aggressive neoplasm with an unfavorable prognosis. We present a case of undifferentiated sarcoma in a 61-year-old woman. CT scan demonstrated a large(More)
Cavernoma of the portal vein is defined as a formation of venous channels within or around a previously thrombosed portal vein. We experienced a 50-year-old woman who presented a huge hepatic mass with right upper quadrant dull pain. Abdominal computed tomography showed a huge sponge-like hepatic mass with cavernous transformation of portal vein along the(More)
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