Publications by authors named "Kyriazanos I"

Background: Colon cancer surgery is a complex clinical pathway and traditional quality metrics may exhibit significant variability between hospitals and healthcare providers. The Textbook Outcome (TO) is a composite quality marker capturing the fraction of patients, in whom all desired short-term outcomes of care are realised. The aim of the present study was to assess the TO in a series of non-metastatic colon cancer patients treated with curative intent, with emphasis on long-term survival.

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Purpose: Our aim is to present a review on childbearing following CRS and HIPEC for peritoneal malignancy.

Methods: A review of the English literature, up to December 2019, was conducted, using PubMed/MEDLINE, EmBase and Google Scholar bibliographic databases, following the MOOSE guidelines. The terms "Cytoreductive Surgery", "Hyperthermic Intraperitoneal Chemotherapy", "Peritoneal Carcinomatosis", "Pregnancy", "Fertility Preservation", "Conception" were used.

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Objective: Complete surgical cytoreduction is the most important prognostic factor of survival in patients with peritoneal metastases from various cancers, including ovarian cancer. In order to achieve the optimum result, surgeons use extensive procedures that involve peritonectomies and multivisceral resections. Cytoreductive surgery (CRS) aims to eliminate all macroscopic disease by achieving complete cytoreduction.

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Background: Combining cytoreductive surgery (CRS) with Hyperthermic IntraPeritoneal Chemotherapy (HIPEC) can benefit patients with peritoneal metastasis from colorectal cancer. The present study evaluates the small bowel subset of the Peritoneal Cancer Index (Small-Bowel-PCI score (SB-PCI), min-max 0-12) as a prognostic factor in such patients.

Methods: We retrospectively analyzed patients that underwent CRS and HIPEC for recurrent colorectal cancer with peritoneal metastasis.

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Background: To prevent vasculobiliary injuries according to the Tokyo Guidelines, Critical View of Safety (CVS) is the recommended method for the identification of the cystic duct and cystic artery. Our aim was to audit laparoscopic cholecystectomies, in order to determine the rate of CVS feasibility and to explore safe bail-out alternatives, when CVS cannot be obtained.

Methods: Patients who underwent either elective or emergent laparoscopic cholecystectomy, between January 2009 and December 2018, in whom the CVS was attempted, were retrospectively identified from the institutional electronic database.

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Introduction: Incomplete bilateral ureteral duplication is a very rare condition. Ureteral duplication is often asymptomatic or may be associated with several urinary tract complications.

Case Report: We report a case of a 72- year- old Caucasian female who was referred to our clinic after she was diagnosed with FIGO IIIc ovarian cancer with peritoneal metastases.

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Purpose: The combination of cytoreductive surgery (CRS) and hyperthermic intraperitoneal chemotherapy (HIPEC) has been used as locoregional treatment in selected patients with peritoneal malignancy. The purpose of this study was to report on the outcomes of patients undergoing hepatobiliary and pancreatic procedures during CRS and HIPEC.

Methods: A prospectively maintained database was used to identify patients that underwent hepatobilliary and/or pancreatic procedures during CRS and HIPEC.

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Article Synopsis
  • There is a gap in following international guidelines for managing metastatic colorectal cancer (CRC) in Greece and Cyprus, prompting the need for a new consensus on treatment strategies.
  • An executive team from the Hellenic Society of Medical Oncology collaborated with international experts using the Delphi methodology to develop and vote on 109 statements regarding CRC management.
  • The final consensus highlights the importance of a centralized approach, multidisciplinary care, adherence to guidelines, patient personalization, and that R0 resection is key for better oncological outcomes.
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Cytoreductive surgery (CRS) and Hyperthermic Intraperitoneal Chemotherapy (HIPEC) is increasingly used in the treatment of peritoneal malignancies. The administration of HIPEC after complete cytoreduction offers the combination of the pharmacokinetic advantages inherent to the intraperitoneal delivery of cytotoxic chemotherapy, with the direct cytotoxic effects of hyperthermia, and has been reported to offer significantly improved patient outcomes. As a result, this novel method disseminates rapidly, with many surgical teams having developed peritoneal malignancy treatment programs.

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Wound dehiscence is a serious postoperative complication, with an incidence of 0.5-3% after primary closure of a laparotomy incision, and represents an acute mechanical failure of wound healing. Relatively recently the concept of "intentional open abdomen" was described and both clinical entities share common pathophysiological and clinical pathways ("postoperative open abdominal wall").

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Erosion is an uncommon but feared late complication of adjustable gastric banding for morbid obesity. A high index of clinical suspicion is required, since symptoms are usually vague and nonspecific. Diagnosis is confirmed on upper gastrointestinal endoscopy and band removal is the mainstay of treatment, with band revision or conversion to other bariatric modalities at a later stage.

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Purpose: To examine the impact of paclitaxel and carboplatin combination chemotherapy on the parameters of the immune system in patients with non small cell lung cancer (NSCLC) and with ovarian cancer before, during and after chemotherapy, and the effect of this combination on the overall patient survival.

Methods: 24 patients with NSCLC and 20 with ovarian cancer (all in stage IIIb-IV) treated with 6 courses of paclitaxel and carboplatin combination chemotherapy were separated into two groups according to their survival group A: long survival (> 12 months for NSCLC; > 30 months for ovarian cancer) group B: short survival (<12 months for NSCLC; <30 months for ovarian cancer). At the same time we studied some immunological parameters (CD3, CD4, CD8, CD56, CD34, IL-3, IFN-γ) in relation with the induced toxicity during chemotherapy.

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The dismal prognosis of pancreatic cancer reflects into the increased recurrence rate, even after R0 pancreaticoduodenectomy. Although, conventional radiation-, chemo- or surgical therapy in much selected cases, seem to work out favorably long term, less invasive and non-toxic methods with more immediate results are always preferred, concerning the already aggravated status of this group of patients. We present hereby a comprehensive review of the literature concerning the treatment of recurrent pancreatic cancer based on the case of a patient who 20 months after a pancreaticoduodenectomy developed portal hypertension and symptomatic first degree esophageal, gastric and mesenteric varices, caused by the nearly complete splenic vein obstruction at the portal vein confluence.

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Pneumatosis intestinalis and portomesenteric vein gas are rare and potentially severe radiological findings that occur both in pediatric and adult populations. They actually are radiographic signs of underlying intra-abdominal pathology, abnormality or diagnostic medical interference. If combined with other radiological or clinical signs of intestinal ischemia or sepsis, the prognosis is dismal and urgent laparotomy is mandatory.

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The perianal skin is a common area for extra-mammary Paget's disease development. The unique clinical, histopathological, and immunohistochemical features which this medical phenomenon demonstrates, along with its rarity and frequent association with synchronous or metachronous carcinomas, present us with a treatment challenge. In order to organize the surgical treatment, it is important to determine whether the disease is localized exclusively to the perianal skin or associated with metastasis or anorectal carcinomas.

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Introduction: Non-parasitic hepatic cysts are benign entities, occur rarely (5% of the population), and in the majority of cases, are asymptomatic. Cysts can cause symptoms when they become large and produce bile duct compression or portal hypertension, and also when complications such as rupture, infection or hemorrhage take place.

Case Presentation: We present the case of a 70-year-old Greek-Caucasian man with a large, asymptomatic and non-parasitic liver cyst that presented as an acute surgical abdominal emergency after spontaneous rupture into the peritoneal cavity.

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Background: Patients with gastric cancer that has metastasized to the lymph nodes are a heterogeneous population with a variable prognosis. Stratification of these patients into prognostic groups is necessary for optimal adjuvant therapy.

Methods: The study comprised 715 patients who had undergone curative resection of a gastric neoplasm.

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Background/aims: Despite the fact that Helicobacter pylori (Hp) is regarded as a major gastroduodenal pathogen, it has recently been suggested to be an important factor for non-gastroenterologic conditions such as diabetes mellitus. Accordingly, it seems that Hp infection may have implications in glycemic control and in fasting plasma glucose concentrations. As overnutrition and obesity are directly related to impaired glucose tolerance, the aim of the present study was to determine whether Hp infection leads to alterations in fasting plasma glucose concentrations of Hp carriers and especially in relation to their body mass index.

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Background: Although the prevalence of gallstone disease after gastrectomy is reported to be high, its prevalence after esophagectomy is scarcely reported.

Materials And Methods: Gallbladder disease following an esophagectomy was prospectively evaluated in 237 patients with esophageal cancer by abdominal ultrasonography twice a year up to five years postoperatively. The median follow-up period was 18.

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Background/aims: To further investigate the underlying mechanism of the systemic spread of esophageal squamous cell carcinoma.

Methodology: Out of 151 patients who underwent a curative esophageal resection, 41 (27.1%) developed recurrent esophageal cancer.

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PTEN, a novel tumor suppressor, functions as a regulator of both cell cycle progression and apoptosis. PTEN gene is frequently mutated or deleted in several malignancies including human hepatocellular carcinoma (HCC). The clinical significance and prognostic value of PTEN expression in HCC or in the surrounding non-cancerous parenchyma remain obscure.

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Goals: To identify possible risk factors affecting the acquisition of Helicobacter pylori (Hp) infection and to investigate whether the incidence of infection is higher among obese and overweight verus normal-weight young adults in Greece.

Study: Serum was obtained from 224 young male Navy recruits (mean age, 22.84 years) during their induction into the Hellenic Navy.

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The purpose of this study was to evaluate the expression of S100A2 Ca2+-binding protein and its prognostic significance in the management of squamous cell carcinoma of the esophagus. Changes in cytosolic Ca2+ concentration control a wide range of cellular responses including cellular apoptosis. Intracellular S100 Ca2+-binding proteins are key molecules in transducing Ca2+ signaling.

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