Vassilios Antonopoulos

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Purpose. We present a rare case of colorectal metastasis to the thyroid five years following primary colonic resection. This case highlights the need to be cognisant of unusual sites of metastasis from colorectal neoplasms. Case Report. An 82-year-old male patient had a panproctocolectomy for synchronous colorectal tumours. Five years later he was found to(More)
BACKGROUND The purpose of this prospective study is to evaluate the efficacy of ultrasonically activated shears (UAS) in hemostasis as well as its safety in regard to complications in thyroid surgery. METHODS Three hundred patients who had undergone surgery on the thyroid gland were divided into 2 groups of 150 patients each. Hemostasis as well as(More)
Acute tissue ischemia is usually followed by considerable disturbances of cellular metabolism that often lead to cell death. Reperfusion improves cellular function by withdrawing the toxic products of ischemia and providing energy sources, although sometimes it worsens it. The purpose of this experimental work is to study the metabolic disturbances in(More)
Carcinoid of the ampulla of Vater is extremely rare, accounting for less than 0.3% of all gastro-intestinal carcinoids. To our knowledge, only 80 cases of ampullary carcinoid have been reported in the literature to date. Ampullary carcinoid is more commonly presented with jaundice or upper abdominal discomfort and diagnosis is more often made(More)
In this paper we describe a system that applies emerging technologies for speech recognition, language processing, multimedia indexing and retrieval, all integrated into a large video and audio library that covers broadcast news and current affairs in Greece. It assists the Greek National Council for Radio and Television (NCRTV) in compiling information,(More)
We describe here a method for discovering imitative textual allusions in a large collection of Classical Latin poetry. In translating the logic of literary allusion into computational terms, we include not only traditional IR variables such as token similarity and ngrams, but also incorporate a comparison of syntactic structure as well. This provides a more(More)
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