Petros Karakitsos

Summary

Affiliation: University of Athens
Country: Greece

Publications

  1. pmc Performance evaluation of manual and automated (MagNA pure) nucleic acid isolation in HPV detection and genotyping using Roche Linear Array HPV Test
    Aikaterini Chranioti
    Department of Diagnostic Cytopathology, University General Hospital Attikon, Athens, Greece
    Infect Dis Obstet Gynecol 2011:931281. 2011
  2. pmc Identification of women for referral to colposcopy by neural networks: a preliminary study based on LBC and molecular biomarkers
    Petros Karakitsos
    Department of Cytopathology, Medical School ATTIKON University Hospital, University of Athens, 12462 Athens, Greece
    J Biomed Biotechnol 2012:303192. 2012
  3. pmc Oral squamous cell cancer: early detection and the role of alcohol and smoking
    Anna G Zygogianni
    Kapodistrian University of Athens, Greece
    Head Neck Oncol 3:2. 2011
  4. ncbi request reprint A preliminary study of the potential of tree classifiers in triage of high-grade squamous intraepithelial lesions
    Petros Karakitsos
    Department of Cytopathology, University of Athens Medical School, Attikon University Hospital
    Anal Quant Cytol Histol 33:132-40. 2011
  5. doi request reprint Systematic analysis of proteins from different signaling pathways in the tumor center and the invasive front of colorectal cancer
    Eva Karamitopoulou
    Second Department of Pathology, University of Athens, 12464 Athens, Greece
    Hum Pathol 42:1888-96. 2011
  6. ncbi request reprint Comparison of two commercially available methods for HPV genotyping: CLART HPV2 and Linear Array HPV Genotyping tests
    Aikaterini Chranioti
    Department of Cytopathology, School of Medicine, National and Kapodistrian University of Athens, University General Hospital Attikon, Rimini, Chaidari, Athens, Greece
    Anal Quant Cytopathol Histpathol 34:257-63. 2012
  7. ncbi request reprint Assessment of static telecytological diagnoses' reproducibility in cervical smears prepared by means of liquid-based cytology
    Thomas Tsilalis
    Department of Cytopathology, 401 General Army Hospital, Athens, Greece
    Telemed J E Health 18:516-20. 2012
  8. doi request reprint Study on the reproducibility of thyroid lesions telecytology diagnoses based upon digitized images
    John Georgoulakis
    Department of Cytopathology, University of Athens, Medical School, Attikon University Hospital, Athens, Greece
    Diagn Cytopathol 39:495-9. 2011
  9. ncbi request reprint Vascular endothelial growth factor and endoglin (CD-105) in gastric cancer
    Nikolaos I Nikiteas
    Second Propaideutic Surgical Department, Laikon University Hospital, Athens, Greece
    Gastric Cancer 10:12-7. 2007
  10. pmc mRNA and DNA detection of human papillomaviruses in women of all ages attending two colposcopy clinics
    Aris Spathis
    Department of Cytopathology, University General Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Chaidari, Greece
    PLoS ONE 7:e49205. 2012

Collaborators

Detail Information

Publications43

  1. pmc Performance evaluation of manual and automated (MagNA pure) nucleic acid isolation in HPV detection and genotyping using Roche Linear Array HPV Test
    Aikaterini Chranioti
    Department of Diagnostic Cytopathology, University General Hospital Attikon, Athens, Greece
    Infect Dis Obstet Gynecol 2011:931281. 2011
    ..935 versus 0.877 of MagNA), with AmpliLute showing a slightly predominance over MagNA. However, higher sensitivities, specificities, and positive/negative predictive values were obtained by AmpliLute...
  2. pmc Identification of women for referral to colposcopy by neural networks: a preliminary study based on LBC and molecular biomarkers
    Petros Karakitsos
    Department of Cytopathology, Medical School ATTIKON University Hospital, University of Athens, 12462 Athens, Greece
    J Biomed Biotechnol 2012:303192. 2012
    ..03%. The use of the LVQ-NN with cytology and the proposed biomarkers improves significantly the correct classification of cervical precancerous lesions and/or cancer and may facilitate diagnosis and patient management...
  3. pmc Oral squamous cell cancer: early detection and the role of alcohol and smoking
    Anna G Zygogianni
    Kapodistrian University of Athens, Greece
    Head Neck Oncol 3:2. 2011
    ..Oral squamous cell carcinoma has a remarkable incidence worldwide and a fairly onerous prognosis, encouraging further research on factors that might modify disease outcome...
  4. ncbi request reprint A preliminary study of the potential of tree classifiers in triage of high-grade squamous intraepithelial lesions
    Petros Karakitsos
    Department of Cytopathology, University of Athens Medical School, Attikon University Hospital
    Anal Quant Cytol Histol 33:132-40. 2011
    ..To investigate the potential value of tree classifiers for the triage of high-grade squamous intraepithelial lesions...
  5. doi request reprint Systematic analysis of proteins from different signaling pathways in the tumor center and the invasive front of colorectal cancer
    Eva Karamitopoulou
    Second Department of Pathology, University of Athens, 12464 Athens, Greece
    Hum Pathol 42:1888-96. 2011
    ....
  6. ncbi request reprint Comparison of two commercially available methods for HPV genotyping: CLART HPV2 and Linear Array HPV Genotyping tests
    Aikaterini Chranioti
    Department of Cytopathology, School of Medicine, National and Kapodistrian University of Athens, University General Hospital Attikon, Rimini, Chaidari, Athens, Greece
    Anal Quant Cytopathol Histpathol 34:257-63. 2012
    ..The CLART HPV2 test, a novel HPV test based on DNA microarrays that can identify 35 HPV genotypes, was compared to the Linear Array HPV Genotyping (LA) test, a more widely used test able to identify 37 HPV genotypes...
  7. ncbi request reprint Assessment of static telecytological diagnoses' reproducibility in cervical smears prepared by means of liquid-based cytology
    Thomas Tsilalis
    Department of Cytopathology, 401 General Army Hospital, Athens, Greece
    Telemed J E Health 18:516-20. 2012
    ..This study evaluated the accuracy and reproducibility of telecytological diagnoses proffered on the basis of digitized images from cervical smears prepared by means of liquid-based cytology...
  8. doi request reprint Study on the reproducibility of thyroid lesions telecytology diagnoses based upon digitized images
    John Georgoulakis
    Department of Cytopathology, University of Athens, Medical School, Attikon University Hospital, Athens, Greece
    Diagn Cytopathol 39:495-9. 2011
    ....
  9. ncbi request reprint Vascular endothelial growth factor and endoglin (CD-105) in gastric cancer
    Nikolaos I Nikiteas
    Second Propaideutic Surgical Department, Laikon University Hospital, Athens, Greece
    Gastric Cancer 10:12-7. 2007
    ....
  10. pmc mRNA and DNA detection of human papillomaviruses in women of all ages attending two colposcopy clinics
    Aris Spathis
    Department of Cytopathology, University General Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Chaidari, Greece
    PLoS ONE 7:e49205. 2012
    ..The aim of this study was to examine the efficacy of HPV DNA and mRNA testing in a population attending colposcopy units of two University hospitals...
  11. ncbi request reprint Clinical performance of human papillomavirus E6, E7 mRNA flow cytometric assay compared to human papillomavirus DNA typing
    Christine Kottaridi
    Department of Cytopathology, Attikon University Hospital, Athens University Medical School, 1 Rimini Street, 12462 Chaidari, Athens, Greece
    Anal Quant Cytol Histol 33:305-10. 2011
    ..To use flow cytometry to screen cervical samples for the overexpression of human papillomavirus (HPV) E6 and E7 mRNA and compare the performance of this assay with an HPV DNA array for the detection of high-grade cervical lesions...
  12. pmc Promoter methylation of p16(INK4A), hMLH1, and MGMT in liquid-based cervical cytology samples compared with clinicopathological findings and HPV presence
    Aris Spathis
    Department of Cytopathology, University General Hospital Attikon, School of Medicine, Rimini 1, Chaidari, 12462 Athens, Greece
    Infect Dis Obstet Gynecol 2011:927861. 2011
    ..Overall accuracy of methylation is much lower than traditional diagnostic tests ranking it as an ancillary technique with more data needed to identify the exact value of methylation status in cervical carcinogenesis...
  13. ncbi request reprint P53Arg72 homozygosity and its increased incidence in left-sided sporadic colorectal adenocarcinomas, in a Greek-Caucasian population
    Anastasios Dakouras
    Department of Histology and Embryology, School of Medicine, University of Athens, Greece
    Anticancer Res 28:1039-43. 2008
    ..The distribution of its alleles, in relation to many clinical parameters of the cancer group, was also investigated...
  14. ncbi request reprint Cascaded learning vector quantizer neural networks for the discrimination of thyroid lesions
    Alexandra Varlatzidou
    Department of Surgery, Attikon University Hospital, University of Athens Medical School, Athens, Greece
    Anal Quant Cytol Histol 33:323-34. 2011
    ..To investigate capability of combination of learning vector quantizer (LVQ) neural networks (NNs) in discrimination of benign from malignant thyroid lesions...
  15. ncbi request reprint Vascular endothelial growth factor polymorphisms in gastric cancer development, prognosis, and survival
    Nikolaos Tzanakis
    4th Surgical Department, Attikon Hospital, University of Athens, Athens, Greece
    J Surg Oncol 94:624-30. 2006
    ..Angiogenesis plays an important role in growth, progression, and metastasis of tumors. Vascular endothelial growth factor (VEGF) overexpression has been associated with advanced stage and poor survival in several cancers...
  16. doi request reprint Systematic assessment of protein phenotypes characterizing high-grade tumour budding in mismatch repair-proficient colorectal cancer
    Eva Karamitopoulou
    Second Department of Pathology, University of Athens, Attikon University Hospital, Rimini 1, Haidari, Athens, Greece
    Histopathology 57:233-43. 2010
    ..The aim of this study was to identify potential multi-marker phenotypes characterizing low- and high-grade budding in mismatch repair (MMR)-proficient colorectal cancer...
  17. ncbi request reprint Cell cycle analysis of colorectal brushings collected in liquid-based cytology
    Aris Spathis
    Department of Cytopathology, University General Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
    Anal Quant Cytol Histol 33:29-35. 2011
    ..To evaluate the possibility of robust cell cycle analysis from liquid-based cytology samples...
  18. doi request reprint Use of flow cytometry as a quality control device for liquid-based cervical cytology specimens
    Christine Kottaridi
    Department of Diagnostic Cytopathology, University General Hospital Attikon, Chaidari, Athens, Greece
    Cytometry B Clin Cytom 78:37-40. 2010
    ..The objective of the study is the evaluation of flow cytometry as a rapid tool for quality control of the liquid specimen adequacy for the purpose of precise cytological diagnosis in detecting cervical abnormalities...
  19. ncbi request reprint The impact of endograft type on inflammatory response after endovascular treatment of abdominal aortic aneurysm
    Konstantinos G Moulakakis
    Department of Vascular Surgery, University of Athens, Attikon Hospital, Athens, Greece
    J Vasc Surg 57:668-77. 2013
    ..To evaluate the impact of endograft type on the inflammatory response after elective endovascular repair of abdominal aortic aneurysms...
  20. doi request reprint The diagnostic accuracy of two methods for E6&7 mRNA detection in women with minor cytological abnormalities
    George Koliopoulos
    3rd Department of Obstetrics and Gynecology, Attikon University Hospital, Athens, Greece
    Acta Obstet Gynecol Scand 91:794-801. 2012
    ..To examine the diagnostic accuracy of nucleic acid sequence based amplification (NASBA) and flow cytometry for E6&7 human papillomavirus (HPV) mRNA detection in the triage of minor cytological abnormalities...
  21. doi request reprint Arterial stiffness and novel biomarkers in patients with abdominal aortic aneurysms
    Nikolaos P E Kadoglou
    2nd Department of Cardiology, Attikon University Hospital, Athens, Greece
    Regul Pept 179:50-4. 2012
    ..We investigated the association of PWV with the aforementioned novel biomarkers in patients with abdominal aortic aneurysm (AAA)...
  22. pmc An intelligent clinical decision support system for patient-specific predictions to improve cervical intraepithelial neoplasia detection
    Panagiotis Bountris
    Biomedical Engineering Laboratory, School of Electrical and Computer Engineering, National Technical University of Athens, Iroon Politechniou 9, 15773 Zografou Campus, Athens, Greece
    Biomed Res Int 2014:341483. 2014
    ..The proposed system may reduce the referral rate for colposcopy and guide personalised management and therapeutic interventions...
  23. ncbi request reprint The diagnostic accuracy of E6 & 7 mRNA detection as a primary screening test for the detection of severe cervical lesions
    Vasiliki Stathopoulou
    3rd Department of Obstetrics and Gynecology, University of Athens Medical School, Attikon University Hospital, Chaidari, Athens, Greece
    J BUON 19:490-6. 2014
    ....
  24. pmc Hybrid capture vs. PCR screening of cervical human papilloma virus infections. Cytological and histological associations in 1270 women
    Sotirios Tsiodras
    Department of Cytopathology, Attikon University Hospital, University of Athens Med, Sch, Athens, Greece
    BMC Cancer 10:53. 2010
    ..We evaluated two molecular methods of HPV detection and their correlation with cytological and histological diagnosis in a large sample of Greek women...
  25. doi request reprint Evaluation of a multiplex real time reverse transcription PCR assay for the detection and quantitation of the most common human rotavirus genotypes
    Christine Kottaridi
    Department of Cytopathology, Attikon University Hospital, Athens University Medical School, Athens, Greece
    J Virol Methods 180:49-53. 2012
    ..7%), G1P[8] (10.9%), G2P[4] (5.4%), G9P[8] (2.2%). This new assay described has an acceptable sensitivity (low limit 6.3×10(2)copies/g of stool)...
  26. ncbi request reprint Using classification and regression trees, liquid-based cytology and nuclear morphometry for the discrimination of endometrial lesions
    Abraham Pouliakis
    Department of Cytopathology, University of Athens, Attikon University Hospital, Athens, Greece
    Diagn Cytopathol 42:582-91. 2014
    ..The proposed method can be a useful tool for the everyday practice of the cytological laboratory...
  27. ncbi request reprint Concurrent pleural infiltration by chronic lymphocytic leukemia and adenocarcinoma of unknown primary site diagnosed by effusion cytology
    Ioannis Vrettos
    Second Department of Internal Medicine, Medical School, Attikon University General Hospital, Athens, Greece
    Diagn Cytopathol 42:151-5. 2014
    ..Even in a pleural effusion rich in monoclonal lymphocytes, the presence of a second cancer must be excluded because this can be the main cause of mortality. The role of cytology in such cases is of paramount importance...
  28. doi request reprint Telecytology: a tool for quality assessment and improvement in the evaluation of thyroid fine-needle aspiration specimens
    Stavros Archondakis
    Department of Cytopathology, 401 General Army Hospital, Athens, Greece
    Telemed J E Health 15:713-7. 2009
    ..Besides diagnostic accuracy, the implementation of a diagnostic telecytology system requires consideration of numerous financial, legal, professional, and ethical issues...
  29. ncbi request reprint KRAS and BRAF mutation analysis from liquid-based cytology brushings of colorectal carcinoma in comparison with formalin-fixed, paraffin-embedded tissue
    Aris Spathis
    Department of Cytopathology, University General Hospital Attikon, School of Medicine, National and Kapodistrian University of Athens, Rimini 1, 12462, Chaidari, Greece
    Anticancer Res 30:1969-75. 2010
    ....
  30. ncbi request reprint DNA ploidy and immunomarking of bladder urothelial tumors before and after intravesical bacillus Calmette-Guérin treatment
    Aspasia Kyroudi-Voulgari
    Department of Histology and Embryology, University of Athens Medical School, Athens, Greece
    Anal Quant Cytol Histol 27:52-60. 2005
    ..To investigate DNA ploidy and immunoexpression of Ki-67 and p53 as predictivefactors in cases of superficial urothelial cell carcinoma (UCC) treated with bacillus Calmette-Guérin (BCG)...
  31. ncbi request reprint The role of liquid-based cytology in the investigation of colorectal lesions: a cytohistopathological correlation and evaluation of diagnostic accuracy
    Konstantinos Kontzoglou
    2nd Propaedeutic Surgical Department of University of Athens, Laiko Hospital, Athens, Greece
    Langenbecks Arch Surg 392:189-95. 2007
    ..This study aims to evaluate the role of Thin-Prep(R) liquid-based cytology in the investigation of colorectal lesions...
  32. doi request reprint Prevalence of human papillomavirus in saliva and cervix of sexually active women
    Maria Adamopoulou
    Department of Maxillofacial Surgery, Attikon University Hospital, Athens, Greece
    Gynecol Oncol 129:395-400. 2013
    ..However, the relation between oral and cervical HPV infection is not fully understood. This study evaluates the prevalence rate and type-concordance of HPVs in these areas...
  33. doi request reprint Dasatinib inhibits proliferation and induces apoptosis in the KASUMI-1 cell line bearing the t(8;21)(q22;q22) and the N822K c-kit mutation
    Vassiliki E Mpakou
    Second Department of Internal Medicine and Research Institute, Attikon University Hospital, Rimini 1, Haidari, Athens 12462, Greece
    Leuk Res 37:175-82. 2013
    ..These data further encourage the integration of dasatinib in the treatment of CBF AML with c-kit mutations in the context of clinical trials, which are eagerly anticipated...
  34. ncbi request reprint Predictors and clinical implications of HPV reservoire districts for genital tract disease
    George Koliopoulos
    Department of Obstetrics and Gynecology, Ioannina University Hospital, Alopekis 34, 10675, Athens, Ioannina, Greece
    Curr Pharm Des 19:1395-400. 2013
    ..In this context expanding the indications for HPV vaccination to include women who have been treated for CIN should be considered...
  35. ncbi request reprint The key role of bisphosphonates in the supportive care of cancer patients
    Maria Tolia
    Rimini 1, Haidari, 124 64, Athens, Greece
    Anticancer Res 34:23-37. 2014
    ..The present review aims at providing an assessment of the clinical significance of Biphosphonates (BPs) in the treatment of patients with cancer...
  36. ncbi request reprint Relation between common polymorphisms in genes related to inflammatory response and colorectal cancer
    George Theodoropoulos
    1st Propaideutic Surgical Department, Hippocration University Hospital, University of Athens, Greece
    World J Gastroenterol 12:5037-43. 2006
    ....
  37. ncbi request reprint Evaluation of topoisomerase IIa expression in pancreatic ductal adenocarcinoma: a pilot study using chromogenic in situ hybridization and immunohistochemistry on tissue microarrays
    Evangelos Tsiambas
    Department of Pathology, Tissue Microarrays and Computerized Image Analysis Laboratories, 417 VA Hospital, Athens, Greece
    Pancreatology 7:45-52. 2007
    ..To co-evaluate topoisomerase IIa (Topo IIa) protein expression and gene status in pancreatic ductal adenocarcinoma, determining the potential prognostic impact of its alterations...
  38. ncbi request reprint Using a web-based system for the continuous distance education in cytopathology
    Nikolaos Stergiou
    Cytopathology Department, University General Hospital Attikon, Athens, Greece nikos
    Int J Med Inform 78:827-38. 2009
    ..Learning methods including skills such as decision making, reasoning and problem solving are critical in the development of such a learning environment...
  39. ncbi request reprint The potential of feature selection by statistical techniques and the use of statistical classifiers in the discrimination of benign from malignant gastric lesions
    Tatiana Mona Megalopoulou
    Department of Histology and Embryology, Medical School of Athens, Athens University, Athens, Greece
    Oncol Rep 15:1033-6. 2006
    ..The technique described in this report produces significant results at the nuclear and patient level and promises to be a powerful assistance tool for everyday cytological laboratory routine...
  40. doi request reprint Hospital-based surveillance of rotavirus gastroenteritis in the era of limited vaccine uptake through the private sector
    Georgios Trimis
    Vaccine Unit, VIANEX Sanofi Pasteur MSD, Athens, Greece
    Vaccine 29:7292-5. 2011
    ..No children with rotavirus gastroenteritis (RVGE) had received any vaccine dose. G4P [8] was the most common genotype (64/90). In conclusion, this study indicates that even low RV vaccination coverage may have significant effect...
  41. pmc Detection of herplex simplex virus-1 and -2 in cardiac myxomas
    Ioannis S Pateras
    Department of Histology and Embryology, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
    J Biomed Biotechnol 2012:823949. 2012
    ..Our findings raise the point of anti-HSV medication postsurgically with a potential benefit in reducing the rate of recurrences...
  42. doi request reprint Evaluation of the role of the new INNOVANCE PFA P2Y test cartridge in detection of clopidogrel resistance
    Argirios Tsantes
    Laboratory of Haematology and Blood Bank Unit, Attikon University Hospital, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
    Platelets 23:481-9. 2012
    ..However, the modest agreement among platelet function methods makes the performance of platelet function testing crucial with more than one technique in order to reliably identify poor responders to clopidogrel treatment...
  43. ncbi request reprint Potential of radial basis function neural networks in discriminating benign from malignant lesions of the lower urinary tract
    Petros Karakitsos
    Department of Cytopathology, Attikon University Hospital, Athens, Greece
    Anal Quant Cytol Histol 27:35-42. 2005
    ..To investigate the potential value of morphometry and neural network tools for discriminating benign from malignant nuclei and lesions of the lower urinary tract...