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20 Results Found

  • Review
  • Open Access
12 Citations
4,376 Views
13 Pages

Advances in Intraoperative Flow Cytometry

  • Marcos V. D’Amato Figueiredo,
  • George A. Alexiou,
  • George Vartholomatos and
  • Roberta Rehder

3 November 2022

Flow cytometry is the gold-standard laser-based technique to measure and analyze fluorescence levels of immunostaining and DNA content in individual cells. It provides a valuable tool to assess cells in the G0/G1, S, and G2/M phases, and those with p...

  • Article
  • Open Access
6 Citations
3,338 Views
7 Pages

Intraoperative Flow Cytometry for the Evaluation of Meningioma Grade

  • George A. Alexiou,
  • Georgios S. Markopoulos,
  • Evrysthenis Vartholomatos,
  • Anna C. Goussia,
  • Lefkothea Dova,
  • Savvas Dimitriadis,
  • Stefania Mantziou,
  • Vasiliki Zoi,
  • Anastasios Nasios and
  • George Vartholomatos
  • + 3 authors

7 January 2023

Meningiomas are the most frequent central nervous system tumors in adults. The majority of these tumors are benign. Nevertheless, the intraoperative identification of meningioma grade is important for modifying surgical strategy in order to reduce po...

  • Systematic Review
  • Open Access
437 Views
22 Pages

The Role of Intraoperative Flow Cytometry in Surgical Oncology: A Systematic Review

  • Eleni Romeo,
  • Georgios S. Markopoulos,
  • George Vartholomatos,
  • Spyridon Voulgaris and
  • George A. Alexiou

5 December 2025

Purpose: The aim of this review is to evaluate the role of intraoperative flow cytometry (IFC) in tumor surgery. Methods: The Medline, Scopus, and Cochrane databases were searched up to 21 June 2025 to identify all available studies that met the incl...

  • Article
  • Open Access
7 Citations
3,353 Views
12 Pages

Assessment of Gliomas’ Grade of Malignancy and Extent of Resection Using Intraoperative Flow Cytometry

  • George Vartholomatos,
  • Georgios S. Markopoulos,
  • Eyrysthenis Vartholomatos,
  • Anna C. Goussia,
  • Lefkothea Dova,
  • Savvas Dimitriadis,
  • Stefania Mantziou,
  • Vaso Zoi,
  • Anastasios Nasios and
  • George A. Alexiou
  • + 3 authors

27 April 2023

Background: Intraoperative Flow Cytometry (iFC) is a novel technique for the assessment of the grade of malignancy and the diagnosis of tumor type and resection margins during solid tumor surgery. Herein, we set out to analyze the role of iFC in the...

  • Article
  • Open Access
5 Citations
2,234 Views
12 Pages

Intraoperative Flow Cytometry for the Rapid Diagnosis and Validation of Surgical Clearance of Non-Melanoma Skin Cancer: A Prospective Clinical Feasibility Study

  • Georgios Markopoulos,
  • Evangeli Lampri,
  • Ioulia Tragani,
  • Nikolaos Kourkoumelis,
  • Georgios Vartholomatos and
  • Konstantinos Seretis

6 February 2024

Non-melanoma skin cancer (NMSC) is the most prevalent cancer in humans, with a high global incidence. We present a prospective clinical feasibility study on the use of intraoperative flow cytometry (iFC) for the instant diagnosis of NMSC and its comp...

  • Review
  • Open Access
2 Citations
2,121 Views
11 Pages

3 October 2023

Brain malignancies, given their intricate nature and location, present significant challenges in both diagnosis and treatment. This review critically assesses a range of diagnostic and surgical techniques that have emerged as transformative tools in...

  • Protocol
  • Open Access
21 Citations
3,220 Views
10 Pages

Touch Imprint Intraoperative Flow Cytometry as a Complementary Tool for Detailed Assessment of Resection Margins and Tumor Biology in Liver Surgery for Primary and Metastatic Liver Neoplasms

  • Georgios S. Markopoulos,
  • Georgios K. Glantzounis,
  • Anna C. Goussia,
  • Georgios D. Lianos,
  • Anastasia Karampa,
  • George A. Alexiou and
  • George Vartholomatos

15 September 2021

Liver resection is the main treatment for primary and metastatic liver tumors in order to achieve long-term survival with good quality of life. The ultimate goal of surgical oncology is to achieve complete tumor removal with adequate clear surgical m...

  • Article
  • Open Access
10 Citations
3,365 Views
11 Pages

Intraoperative Flow Cytometry for the Characterization of Gynecological Malignancies

  • Zoi Anastasiadi,
  • Stefania Mantziou,
  • Christos Akrivis,
  • Minas Paschopoulos,
  • Eufemia Balasi,
  • Georgios D. Lianos,
  • George A. Alexiou,
  • Michail Mitsis,
  • George Vartholomatos and
  • Georgios S. Markopoulos

11 September 2022

Cell-cycle analysis has shown the presence of aneuploidy to be associated with poor prognosis. We developed an innovative rapid cell-cycle analysis protocol (the Ioannina protocol) that permitted the intraoperative identification of neoplastic cells...

  • Article
  • Open Access
9 Citations
4,210 Views
12 Pages

Accurate Characterization of Bladder Cancer Cells with Intraoperative Flow Cytometry

  • Athanasios Paliouras,
  • Georgios S. Markopoulos,
  • Stavros Tsampalas,
  • Stefania Mantziou,
  • Ioannis Giannakis,
  • Dimitrios Baltogiannis,
  • Georgios K. Glantzounis,
  • George A. Alexiou,
  • Evangelia Lampri and
  • George Vartholomatos
  • + 1 author

4 November 2022

Bladder cancer represents a major health issue. Transurethral resection is the first line treatment and an accurate assessment of tumor margins might warrant complete tumor removal. Genomic instability and proliferative potential are common hallmarks...

  • Case Report
  • Open Access
2 Citations
2,137 Views
9 Pages

Intraoperative Flow Cytometry Upon and Beyond the Cell Cycle: A Case Study of the Characterization of a Bone Metastasis

  • Georgios S. Markopoulos,
  • Emilios E. Pakos,
  • Vasilios Gavrielatos,
  • Dimitrios Kosmas,
  • Ioannis Gkiatas,
  • George A. Alexiou,
  • Anna Batistatou,
  • Evangeli Lampri and
  • George Vartholomatos

25 October 2023

The accurate assessment of malignancy and the precise characterization of cancer type are pivotal in guiding clinical decisions and ensuring optimal patient outcomes. The challenging task of identifying the primary site of carcinoma, especially durin...

  • Review
  • Open Access
26 Citations
5,235 Views
13 Pages

The Past, Present and Future of Flow Cytometry in Central Nervous System Malignancies

  • Evrysthenis Vartholomatos,
  • George Vartholomatos,
  • George A. Alexiou and
  • Georgios S. Markopoulos

26 January 2021

Central nervous system malignancies (CNSMs) are categorized among the most aggressive and deadly types of cancer. The low median survival in patients with CNSMs is partly explained by the objective difficulties of brain surgeries as well as by the ac...

  • Article
  • Open Access
5 Citations
2,956 Views
11 Pages

3 March 2022

This study sought to explore the existence and clinical significance of intratumoral heterogeneity of proliferative potential in vestibular schwannoma (VS). Rapid intraoperative flow cytometry was utilized with raw samples to measure the proliferativ...

  • Article
  • Open Access
5 Citations
2,829 Views
12 Pages

Reduction of EpCAM-Positive Cells from a Cell Salvage Product Is Achieved by Leucocyte Depletion Filters Alone

  • Lucia Merolle,
  • Davide Schiroli,
  • Daniela Farioli,
  • Agnese Razzoli,
  • Gaia Gavioli,
  • Mauro Iori,
  • Vando Piccagli,
  • Daniele Lambertini,
  • Maria Chiara Bassi and
  • Chiara Marraccini
  • + 1 author

16 June 2023

Intraoperative cell salvage reduces the need for allogeneic blood transfusion in complex cancer surgery, but concerns about the possibility of it re-infusing cancer cells have hindered its application in oncology. We monitored the presence of cancer...

  • Article
  • Open Access
1,568 Views
16 Pages

Simvastatin-Loaded Chitosan-Functionalized PLGA Nanoparticles: Characterization and Use in Intimal Hyperplasia Therapy

  • Ashley A. Peters,
  • Chanpreet Kaur,
  • Maleen Cabe,
  • Kelly A. Langert,
  • Kristopher Maier and
  • Vivian Gahtan

Background: Statins have beneficial pleiotropic effects, including reducing intimal hyperplasia (IH), but off-target effects remain a concern. Here, we tested the hypothesis that chitosan-functionalized polymeric nanoparticles (NPs) loaded with simva...

  • Communication
  • Open Access
13 Citations
3,709 Views
10 Pages

Near-Infrared Fluorescence Imaging of Pancreatic Cancer Using a Fluorescently Labelled Anti-CEA Nanobody Probe: A Preclinical Study

  • Labrinus van Manen,
  • Lizzie D. A. N. de Muynck,
  • Victor M. Baart,
  • Shadhvi Bhairosingh,
  • Pieterjan Debie,
  • Alexander L. Vahrmeijer,
  • Sophie Hernot and
  • J. Sven D. Mieog

30 March 2023

Molecular fluorescence-guided surgery using near-infrared light has the potential to improve the rate of complete resection of cancer. Typically, monoclonal antibodies are being used as targeting moieties, however smaller fragments, such as single-do...

  • Article
  • Open Access
4 Citations
2,752 Views
22 Pages

9 November 2023

Drug resistance is a common cause of therapy failure in head and neck squamous cell carcinoma (HNSCC). One approach to tackling it is by targeting fundamental cellular processes, such as translation. The eukaryotic translation initiation factor 2&alp...

  • Article
  • Open Access
649 Views
11 Pages

Efficacy and Limitations of Flow Cytometry for the Rapid Diagnosis of Primary Central Nervous System Lymphoma

  • Hikaru Nakamura,
  • Takeshi Hiu,
  • Takeharu Kato,
  • Nozomi Ueki,
  • Ayaka Matsuo,
  • Michiharu Yoshida,
  • Shiro Baba,
  • Kenta Ujifuku,
  • Koichi Yoshida and
  • Takayuki Matsuo
  • + 7 authors

13 November 2025

Background/Objectives: Primary central nervous system lymphoma (PCNSL) has a markedly high proliferation rate, making early diagnosis and prompt therapeutic intervention essential. To accelerate diagnosis, our institution adopted flow cytometry (FCM)...

  • Article
  • Open Access
13 Citations
4,201 Views
18 Pages

A Novel PSMA-Targeted Probe for NIRF-Guided Surgery and Photodynamic Therapy: Synthesis and Preclinical Validation

  • Martina Capozza,
  • Rachele Stefania,
  • Valentina Dinatale,
  • Valeria Bitonto,
  • Laura Conti,
  • Cristina Grange,
  • Renata Skovronova and
  • Enzo Terreno

25 October 2022

A total of 20% to 50% of prostate cancer (PCa) patients leave the surgery room with positive tumour margins. The intraoperative combination of fluorescence guided surgery (FGS) and photodynamic therapy (PDT) may be very helpful for improving tumour m...

  • Article
  • Open Access
693 Views
19 Pages

Nucleic acid aptamers leverage defined tertiary structures for precise molecular recognition, positioning them as transformative biomedical tools. We engineered AP1-F, a G-quadruplex (G4)-structured aptamer that selectively binds membrane-anchored nu...

  • Article
  • Open Access
13 Citations
3,239 Views
10 Pages

CD8+ T Cells in OA Knee Joints Are Differentiated into Subsets Depending on OA Stage and Compartment

  • Hadrian Platzer,
  • Richard Trauth,
  • Timo A. Nees,
  • Elena Tripel,
  • Simone Gantz,
  • Marcus Schiltenwolf,
  • Babak Moradi and
  • Nils Rosshirt

17 May 2022

Osteoarthritis (OA) is no longer considered a purely degenerative disease. OA is defined as a disease of the entire joint, in which inflammation occurs in various joint tissues. The overall aim of this study was to analyze the presence and polarizati...