Petrou Athanasios

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Pneumatosis intestinalis, defined as gas in the bowel wall, is often first identified on abdominal radiographs or computed tomography (CT) scans. It is a radiographic finding and not a diagnosis, as the etiology varies from benign conditions to fulminant gastrointestinal disease. We report here a case of pneumatosis intestinalis associated with cetuximab(More)
BACKGROUND Gastrointestinal stromal tumors (GIST) represent the most common mesenchymal tumors of the digestive tract. Over the last ten years the management of GISTs has dramatically altered but their coexistence with other gasrointesinal tumors of different histogenesis presents a special interest. The coexistence of GISTs with other primaries is usually(More)
Since ancient times biliary surgery has been one of the major interests of doctors and other scientists around the world. From the ancient Greeks and Egyptians to the greatest scientists of modern times biliary surgery has advanced remarkably. Especially during the last century huge progress has been made in this field. Minimally invasive surgical(More)
A past history of sporadic solid cancers is disclosed in 10% of gastrointestinal stromal tumor (GIST) patients. Simultaneous occurrence with other malignancies is encountered in 14 to 16%, but the synchronous occurrence of GIST and hepatocellular carcinoma (HCC) has been reported only once in the English literature. An 81-year-old male patient is presented(More)
Gastrointestinal stromal tumors (GISTs) compose the largest category of well recognized nonepithelial neoplasms of the gastrointestinal tract (GI). GISTs of the gallbladder are extremely rare tumors. Only four malignant, two benign and one GIST-like tumor of the gall bladder have ever been described. The four malignant GISTs were all positive for CD 117(More)
INTRODUCTION Pleomorphic giant cell pancreatic cancer is a very rare and aggressive pancreatic neoplasm. A case of pleomorphic giant cell pancreatic cancer presenting as a cystic lesion and in association with a serous cystadenoma presents a unique case which has not been described before. CASE PRESENTATION A 44-year-old alcoholic man presented with(More)
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