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| 1 | Hemobilia as the initial manifestation of cholangiocarcinoma in a hemophilia B patient显示文摘Hemobilia is a rare manifestation of hemophilia and is usually iatrogenic following liver biopsy. There are only few reports of spontaneous hemobilia in hemophilia patients. Cholangiocarcinoma is a well-established cause of hemobilia. We describe a case of a 70-year-old male, with known haemophilia B and a past history of papillotomy, who presented with classical symptoms of hemobilia. The initial diagnostic work-up failed to demonstrate a potential cause of bleeding other than the coagulopathy. Three months later, he was readmitted to our hospital with a second episode of hemobilia. During the second work-up, a cholangiocarcinoma was diagnosed both by imaging studies and by a significant elevation of cancer antigen 19-9. Although hemobilia could be attributed to hemophilia, especially in a patient with previous papillotomy, an underlying malignancy of the biliary tree should be suspected. | Anastassios C Manolakis Andreas N Kapsoritakis Antonis D Tsikouras Fotis D Tsiopoulos Athanassios K Psychos Spyros P Potamianos | 2008 | World Journal of Gastroenterology2008，14，26： | 5 |
| 2 | Habib EndoHPB: A Novel Endobiliary Radiofrequency Ablation Device. An Experimental Study显示文摘 | Dimitris Zacharoulis Olga Lazoura Eleni Sioka Spyros Potamianos George Tzovaras Joanna Nicholls George Koukoulis Nagy Habib | 2013 | Journal of Investigative Surgery2013，，1： | 2 |
| 3 | Malakoplakia of the colon associated with colonic adenocarcinoma diagnosed in colonic biopsies显示文摘Malakoplakia, typically involving the urinary tract, is an uncommon form of chronic in? ammation caused by chronic infections and characterized by accumulation of macrophages. It has also been found in many other sites such as the gastrointestinal tract, pancreas, liver, lymph nodes, skin, respiratory tract, adrenal gland, vagina and brain. We present a case of a 64-year-old man referred to our hospital with cachexia and radiologic evidence of metastatic tumor of the liver. Colonoscopy revealed a large malignant - appearing polypoid mass of the ascending colon and multiple distinct polyps throughout the rest of the colon. Biopsies of the ascending colon mass confirmed the diagnosis of adenocarcinoma. Histological examination of two of the other polyps revealed malakoplakia which was characterized by aggregates of granular histiocytes with Michaelis - Gutmann bodies and histochemically confirmed with periodic acid-Schiff and von Kossa stains. This is a rare case diagnosed on endoscopic samples. The majority of reported cases were found in surgical specimens. In addition, the endoscopic appearance of multiple polyps is unusual in malakoplakia. | F Karasavvidou SP Potamianos S Barbanis E Stathakis A Psychos AN Kapsoritakis G Koukoulis | 2007 | World Journal of Gastroenterology2007，13，45： | 2 |
| 4 | Melena:A rare complication of duodenal metastases from primary carcinoma of the lung显示文摘Small bowel metastases from primary carcinoma of the lung are very uncommon and occur usually in patients with terminal stage disease. These metastases are usually asymptomatic, but may present as perforation, obstruction, malabsorption, or hemorrhage. Hemorrhage as a first presentation of small bowel metastases is extremely rare and is related to very poor patient survival. We describe a case of a 61- year old patient with primary adenocarcinoma of the lung, presenting with melena as the first manifestation of small bowel metastasis. Both primary tumor and metastatic lesions were diagnosed almost simultaneously. Upper gastrointestinal endoscopy performed with a colonoscope revealed active bleeding from a metastatic tumor involving the duodenum and the proximal jejunum. Histological examination and immunohistochemical staining of the biopsy specimen strongly supported the diagnosis of metastatic lung adenocarcinoma, suggesting that small bowel metastases from primary carcinoma of the lung occur usually in patients with terminal disease and rarely produce symptoms. Gastrointestinal bleeding from metastatic small intestinal lesions should be included in the differential diagnosis of gastrointestinal blood loss in a patient with a known bronchogenic tumor. | Chrysoula Kostakou Lubna Khaldi Andrew Flossos Andreas N Kapsoritakis Spiros P Potamianos | 2007 | World Journal of Gastroenterology2007，13，8： | 2 |
| 5 | Mean platelet volume: a useful marker of inflammatory bowel disease activity显示文摘 | Andreas N Kapsoritakis Michael I Koukourakis Aekaterini Sfiridaki Spiros P Potamianos Maria G Kosmadaki Ioannis E Koutroubakis Elias A Kouroumalis | 2001 | The American Journal of Gastroenterology2001，，3： | 2 |
| 6 | Laparoendoscopic Rendezvous Versus Preoperative ERCP and Laparoscopic Cholecystectomy for the Management of Cholecysto-Choledocholithiasis: Interim Analysis of a Controlled Randomized Trial显示文摘 | George Tzovaras Ioannis Baloyiannis Eleni Zachari Dimitris Symeonidis Dimitris Zacharoulis Andreas Kapsoritakis George Paroutoglou Spyros Potamianos | 2012 | Annals of Surgery2012，，3： | 2 |
| 7 | Role of autophagy in gastric carcinogenesis显示文摘Gastric cancer represents a common and highly fatal malignancy,and thus a pathophysiology-based reconsideration is necessary,given the absence of efficient therapeutic regimens.In this regard,emerging data reveal a significant role of autophagy in gastric oncogenesis,progression,metastasis and chemoresistance.Although autophagy comprises a normal primordial process,ensuring cellular homeostasis under energy depletion and stress conditions,alterations at any stage of the complex regulatory system could stimulate a tumorigenic and promoting cascade.Among others,Helicobacter pylori infection induces a variety of signaling molecules modifying autophagy,during acute infection or after chronic autophagy degeneration.Subsequently,defective autophagy allows malignant transformation and upon cancer establishment,an overactive autophagy is stimulated.This overexpressed autophagy provides energy supplies and resistance mechanisms to gastric cancer cells against hosts defenses and anticancer treatment.This review interprets the implicated autophagic pathways in normal cells and in gastric cancer to illuminate the potential preventive,therapeutic and prognostic benefits of understanding and intervening autophagy. | Apostolis Papaefthymiou Gregory Christodoulidis Apostolos Koffas Michael Doulberis Stergios A Polyzos Anastasios Manolakis Spyros Potamianos Andreas Kapsoritakis Jannis Kountouras | 2021 | World Journal of Gastrointestinal Oncology2021，13，10： | 2 |
| 8 | A cascade visual front end for speaker independent automatic speechreading显示文摘 | Potamianos G Neti C Iyengar G | 2001 | International Journal of speech technology2001，，4： | 1 |
| 9 | A Comparison of the Energy Operator and the Hilbert Transform Approach to Signal and Speech Demodulation显示文摘 | Alexandros Potamianos Petros Maragos | 1994 | Signal Processing1994，37，1： | 1 |
| 10 | Recent advances in the automatic recognition of audio-visual speech 显示文摘 | POTAMIANOS G NETI C | 2003 | Proc of the IEEE2003，91，9： | 1 |
| 11 | Open-Circuit Fault Diagnosis for Matrix Converter Drives and Remedial Operation Using Carrier Based Modulation Methods显示文摘 | Potamianos P G Mitronikas E D Safacas A N | 2013 | IEEE Transactions on Industrial Electronics2013，61，1： | 1 |
| 12 | Rapid prototyping techniques for anatomical modelling in Medicine显示文摘 | McGurk M Amis A A Potamianos P | 1997 | Ann R Coil Surg Eng11997，79，3： | 1 |
| 13 | Speech formant frequen- cy and bandwidth tracking using multiband energy demodulation显示文摘 | Potamianos A Maragos P | 1996 | Journal of the Acoustical Society of America1996，99，6： | 1 |
| 14 | A on the effects of fil-terbank design and energy computation on robust speech rec-ognition 显示文摘 | DIMITRIADIS D M POTAMIANOS P | 2011 | IEEE Transactions on Audio Speech and Lan-guage Processing2011，19，6： | 1 |
| 15 | Increased fetuin A levels in Helicobacter pylori infection: a missing link between H. pylori and insulin resistance?显示文摘 | A. C. Manolakis E. K. Tiaka A. N. Kapsoritakis P. Georgoulias F. Tsiopoulos V. Valotassiou S. P. Potamianos | 2011 | Diabetologia2011，，2： | 1 |
| 16 | The POSTGRES Rule Manager 显示文摘 | M Stonebraker E Hanson S Potamianos | 1988 | IEEE TOSE1988，4，7： | 1 |
| 17 | Robust AM-FM festures for speech recognition显示文摘 | Dimitriadis D V Maragos P Potamianos P | 2005 | IEEE Signal Processing Letters2005，12，9： | 1 |
| 18 | A comparison of the energy operator and Hilbert transform approach to signal and speech demodulation显示文摘 | Alexandros Potamianos Petros Maragos | 1994 | Signal Processing1994，37，1： | 1 |
| 19 | A comparison of the energy operator and Hilbert transform approaches for signal and speech demodulation 显示文摘 | Potamianos A Maragos P | 1994 | Signal Processing1994，37，1： | 1 |
| 20 | Unsupervised semantic similarity com- putation between terms using web documents显示文摘 | Iosif E Potamianos A | 2010 | Knowledge and Data Engineering IEEE Transactions on2010，22，11： | 1 |
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