Doctors for Colon cancer

Kelgiorgi Dionysia MD, MSc is a General Surgeon with a private practice in Chalandri. She holds a Master's Degree in "NEW TECHNOLOGIES IN DIGESTIVE SURGERY – MINIMALLY INVASIVE TECHNIQUES – BARIATRIC SURGERY" from the National and Kapodistrian University of Athens (NKUA). She is currently an instructor in this postgraduate program at the University of Athens. She has received certification in laparoscopic surgery from the internationally renowned IRCAD center of excellence in Minimally Invasive Surgery, Strasbourg. She is also certified in the use of surgical laser from a reference center for perianal diseases in Leipzig, Germany. She specializes in Minimally Invasive Surgery (Laparoscopic and Robotic Surgery, Surgical Laser), as well as surgical oncology. She has served as Consultant Surgeon in the Robotic Surgery and Surgical Oncology Clinic at Metropolitan General Hospital and held the same position for three years at the Euroclinic of Athens. Additionally, she was Consultant Surgeon at the accredited Center of Excellence for Thyroid and Parathyroid Surgery of the Euroclinic Athens. She is a member of Greek and European scientific societies, including the European and Hellenic Society of Endoscopic Surgery, the European and Hellenic Hernia Society, the European Society of Coloproctology, and the Hellenic Surgical Society, participating in their advanced training courses. She has numerous participations in conferences, seminars, and symposia in Greece and abroad and serves as a reviewer for the medical journals Cancer Medicine and Hepatobiliary & Pancreatic Diseases International.

Mitsogianni Maria is an Internal Medicine - Oncology Specialist based at YGEIA-MITERA Hospitals in Marousi. She graduated from the Medical School of the National and Kapodistrian University of Athens and completed the postgraduate program "Thoracic Oncology" as well as her doctoral thesis at the same university.

She has worked for 7 years in Germany at Klinikum Oldenburg, Johanniter Krankenhaus Rheinhausen, and Marienhospital Düsseldorf, specializing in the fields of Medical Oncology and Palliative Care. In Greece, she has worked at the Oncology Hospital of Kifisia "Agioi Anargyroi" and served as a collaborator at the Oncology Unit of the "Sotiria" Hospital.

She holds the ESMO Examination Certificate from the European Society for Medical Oncology.

She has attended numerous conferences and educational seminars both in Greece and internationally, has a significant number of international publications, and participates as a lecturer in postgraduate programs at the University of Athens.

Since 2022, she has been a collaborator and Head of Clinical Studies at the 4th Medical Oncology Clinic of DTKA YGEIA and is the attending physician at MITERA Hospital.

Ο Ιατρός Δρ. Γεώργιος Γ. Τζίκος είναι Γενικός Χειρουργός, απόφοιτος της Ιατρική Σχολής του Αριστοτέλειου Πανεπιστημίου Θεσσαλονίκης και της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων (ΣΣΑΣ). Ειδικεύτηκε στη Χειρουργική στην Α' Χειρουργική Κλινική του 424 Γενικού Στρατιωτικού Νοσοκομείου Εκπαιδεύσεως και στην Α' Προπαιδευτική Χειρουργική Κλινική του Γενικού Πανεπιστημιακού Νοσοκομείου ΑΧΕΠΑ στη Θεσσαλονίκη. Είναι Διδάκτωρ και Μεταδιδακτορικός Ερευνητής της Ιατρικής Σχολής ΑΠΘ. Επιπλέον, είναι κάτοχος Μεταπτυχιακού Διπλώματος "Ερευνητική Μεθοδολογία στην Ιατρική και στις Επιστήμες Υγείας" με την κατεύθυνση "Κλινικής Ιατρικής Έρευνας". Κατά τη διάρκεια της 6-ετούς εκπαίδευσης της ειδικότητας στη Θεσσαλονίκη, εξειδικεύεται στις τεχνικές της Ελάχιστα Επεμβατικής και Λαπαροσκοπικής Χειρουργικής στις παθήσεις Χοληφόρων, Κηλών κοιλιακού τοιχώματος, Παχέος εντέρου και Ενδοκρινών αδένων. Τα δύο τελευταία έτη της ειδικότητας και αμέσως μετά την απόκτηση του τίτλου Χειρουργικής μεταβαίνει στο Ηνωμένο Βασίλειο, όπου ολοκληρώνει την μετεκπαίδευση του στη Ρομποτική Χειρουργική για παθήσεις Παχέος εντέρου και Κηλών κοιλιακού τοιχώματος. Κατά τη διάρκεια της παραμονής του εκεί αποκτά εμπειρία και υψηλού βαθμού εξειδίκευση, συμμετέχοντας και διενεργώντας πλήθος ανοιχτών, λαπαροσκοπικών και ρομποτικά υποβοηθούμενων χειρουργικών επεμβάσεων. Παράλληλα όλα αυτά τα χρόνια, στα πλαίσια των κλινικών και ακαδημαϊκών του υποχρεώσεων στην Α' Προπαιδευτική Χειρουργική Κλινική ΑΠΘ του ΠΓΝΘ ΑΧΕΠΑ, διδάσκει στους προπτυχιακούς και μεταπτυχιακούς φοιτητές της Ιατρικής Σχολής ΑΠΘ, εκπονεί τη Διδακτορική του διατριβή με θέμα την ποιότητα ζωής των ασθενών με Πρωτοπαθή Υπερπαραθυρεοειδισμό και ολοκληρώνει τη Μεταδιδακτορική του Έρευνα με θέμα το επίπεδο καταθλιπτικής συνδρομής και ποιότητας της ζωής σε ασθενείς με κακοήθεια πεπτικού. Το επιστημονικό του ενδιαφέρον είναι έντονο με πάνω από 70 δημοσιεύσεις σε αναγνωρισμένα διεθνή Ιατρικά περιοδικά και πλήθος συμμετοχών τόσο με προφορικές ανακοινώσεις όσο και με posters σε συνέδρια της Ελλάδας και του εξωτερικού.

Agalianos Xristos is a General Surgeon and operates a private practice in Chania. He graduated from the Military Academy of Corps Officers (ΣΣΑΣ) in 2002 as a medical officer of the Hellenic Navy. He completed his specialty in General Surgery in 2011 and was appointed as a Consultant Surgeon at the Navy Hospital of Athens. He specialized in liver, biliary tract, and pancreatic surgery both at reference centers in Greece and at the university hospital in Verona, Italy, where he also completed his postgraduate degree in this field. Concurrently, he pursued his doctoral thesis at the National and Kapodistrian University of Athens, focusing on malignant diseases of the colon, obtaining his PhD in 2018. He has participated as a speaker in numerous conferences and educational seminars in Greece and abroad and has an extensive body of written and research work published in international and domestic medical journals. Since July 2019, he has been appointed as a consultant surgeon at the Navy Hospital of Crete. Finally, in his practice, he engages in the full spectrum of surgery with specialization in liver, biliary tract, pancreatic, and colorectal surgery, hernia repair surgery, day surgery, as well as laparoscopic cholecystectomy.

Dr. Tsilividis Vasileios is a General Surgeon specializing in Oncological, Laparoscopic, and Bariatric Surgery, with extensive experience in university and private clinics in France and Greece, having completed more than 3,500 surgeries.

He maintains a private practice in Marousi.

He graduated from the French School of Athens and continued his studies at the Medical School of René Descartes University in Paris. There, he earned a Doctorate in Medicine and subsequently obtained numerous university diplomas in France, including specializations in digestive system surgery, oncological surgery, and bariatric surgery. He is also a member of the Hellenic Society of Gastrointestinal Oncology.

His professional career began at the University Hospital of Rouen, where he served as a resident, registrar, and later as a hospital physician. Since 2017, he has worked in clinics in France primarily focusing on General, Laparoscopic, Bariatric, and Oncological surgery using minimally invasive techniques. He currently offers his services at the Athens Medical Center in Marousi.

Dr. Tsilividis has participated in numerous scientific conferences and seminars, has published papers in international medical journals, and has undertaken educational roles at the university level.

He is fluent in French and English.

Ziozia Vasiliki is a General Surgeon, Senior Registrar of the 1st Surgical Clinic at IASO and maintains a private practice in Nea Irakleio. She holds a degree from the Medical School of the National and Kapodistrian University of Athens and a Master's degree in "Surgical Anatomy" from the Medical School of the National and Kapodistrian University of Athens. Dr. Ziozia has received a scholarship from the Hellenic Surgical Society to obtain her postgraduate degree, as well as a scholarship from the Hellenic Society of Coloproctology for specialization in colorectal and anal surgery at St Thomas’ Hospital in London. She initially specialized in Surgery at the General Hospital of Rethymno and subsequently at the General Hospital of Athens "Evangelismos." During 2022-23, she served as a Senior Clinical Fellow in the Colorectal Department at St Thomas’ Hospital in London. Dr. Ziozia has participated in numerous conferences, seminars, and courses and has authored many publications, as well as oral and poster presentations. Finally, she is a member of the Hellenic Society of Coloproctology.

Kyritsis Aleksandros is a General Surgeon who maintains a private practice in Thessaloniki, collaborating with major private clinics in the city. He graduated from the Medical School of Aristotle University of Thessaloniki. He specialized in General Surgery at the "General Hospital of Chalkidiki," the 2nd General Hospital of IKA "Panagia," and the General Hospital of Thessaloniki "Agios Pavlos." He received advanced training in minimally invasive surgery (Laparoscopic and Robotic Surgery) at the world-renowned "Memorial Sloan Kettering Cancer Center" in New York, specializing in the management of colorectal and anal diseases alongside the pioneering surgeon Garrett Nash. He worked for three years as a Consultant at leading hospitals in the United Kingdom, including "King’s College Hospital London," "Manchester Royal Infirmary," and "Chesterfield Royal Hospital." Subsequently, he participated in the specialized program for Laparoscopic Surgery and minimally invasive surgery of colorectal and anal diseases at the "Research Institute against Digestive Cancer" (IRCAD) and obtained a diploma in Laparoscopic Surgery from the University of Strasbourg. He has delivered presentations at international surgical conferences in the United Kingdom and the USA. He remains an active member of the Medical Council of England and a member of the American Society of Laparoscopic Surgeons, while periodically continuing to offer his services as a Specialist General Surgeon at the "Manchester Royal Infirmary" hospital in the United Kingdom.

Dr. Napoleon Xirokostas is a board-certified General Surgeon with subspecialty training in Laparoscopic, Robotic, and Oncologic Surgery. He maintains a private medical office in Rafina, Greece, and also serves as a Consultant Surgeon at the 1st Surgical Department of IASO General Hospital in Athens.

He completed his residency in General Surgery at Evangelismos General Hospital of Athens, the largest tertiary care and trauma center in Greece, where he also held the position of Chief Resident. Over the course of his training, he participated in more than 1,000 surgical procedures, including a wide spectrum of emergency, oncologic, and minimally invasive surgeries.

Dr. Xirokostas holds a Medical Degree (MD) from the Democritus University of Thrace and a Master of Science (MSc) in Advanced Laparoscopic and Bariatric Surgery from the National and Kapodistrian University of Athens.

He completed his mandatory rural medical service at the General Hospital of Kyparissia and previously served in the Greek Army as a General Medicine Doctor, providing medical assessments and basic life support instruction.

He has received extensive training in trauma surgery (DSTC), laparoscopic and robotic techniques, microsurgery, and emergency abdominal procedures. He is certified in ATLS, ALS, and has participated in numerous specialized surgical workshops and cadaveric dissection courses across Europe.

Dr. Xirokostas has an active academic presence, with several peer-reviewed publications and presentations at national and international surgical congresses.

He treats conditions including:

• Laparoscopic surgeries (cholecystectomy, hernias, appendectomy)

• Thyroid and parathyroid surgery

• Oncologic surgery (colorectal, gastric, skin/melanoma, soft tissue)

• Robotic surgery for complex abdominal cases

• Emergency trauma surgery and general surgical consults

His clinical approach is grounded in personalized care, evidence-based practice, and a strong commitment to patient safety and recovery.

Kyziridis Dimitrios is a General Surgeon who maintains a private practice in Thessaloniki. He holds a PhD from the Medical School of Aristotle University of Thessaloniki (A.U.Th.). Additionally, he is a Diplomate of the European Society of Surgical Oncology for the management of peritoneal malignancy and a collaborator of the peritoneal malignancy program at the Euromedica Cyan Cross clinic, while also specializing in the treatment of anal diseases. From September 2023 to October 2024, he served as a Scientific Collaborator of the 4th University Surgical Clinic of A.U.Th. at the General Hospital of Thessaloniki "G. Papanikolaou," actively participating in surgeries, on-call duties, and the clinic's teaching activities. He has participated in numerous seminars and conferences both in Greece and abroad and is the author of numerous announcements and papers in Greek and international journals.

Mantonakis Eleutherios MD, MSc, PhD is a General Surgeon, Doctor of the Medical School of the National and Kapodistrian University of Athens, Director of the I' Surgical Clinic at Errikos Dynan Hospital, with a private practice in Kolonaki. He has completed postgraduate studies in Liver, Biliary Tract, and Pancreatic Surgery and specialized in General Surgery at the A’ Surgical Clinic of the National and Kapodistrian University of Athens at Laiko Hospital. He received further training in Laparoscopic Surgery and Surgical Oncology at the University Hospitals Beaujon and Georges-Pompidou in Paris. He also underwent advanced training in minimally invasive management of anorectal diseases (Laser LHP, SiLaC, FiLaC) in Germany. He is a member of the International Society for Laser Applications in Proctology. Moreover, he possesses significant research experience, having participated in numerous scientific conferences both as an attendee and as a speaker or with scientific presentations, and he has numerous publications in foreign languages.

Maria Mixailidou MD, FACS, FASCRS is a General Surgeon maintaining a private practice within the HYGEIA Hospital in Marousi. She studied at the Medical School of the University of Patras and continued her medical training in the USA. There, she conducted clinical research in the Department of Emergency Surgery, Trauma, and Critical Care at Massachusetts General Hospital in Boston, under Harvard University, and specialized in General Surgery at the University of Arizona. Additionally, she specialized in Colon and Rectal Surgery at Penn State University. She is board-certified by the American Board of Surgery in General Surgery and by the American Board of Colon and Rectal Surgery. She possesses significant clinical experience having worked in clinics in the USA, as well as extensive scientific and research experience, reflected in numerous publications in international scientific journals and chapters she has authored in international surgical textbooks.

Dr. Rathosis Spyros is a General Surgeon with a private practice in Patras. He graduated from the Medical School of the National and Kapodistrian University of Athens and holds a PhD from the University of Patras, with a dissertation titled: "Control of splenic activity and immunological effects post-splenectomy." He specialized in General Surgery at the University Surgical Clinic of the General Hospital of Patras and further specialized in Laparoscopic Surgery at the University Surgical Clinic of the General Hospital of Athens, Hippocrates. He has served in all levels of the National Health System (ESY) and for the past years has held the position of ESY Director in the surgical clinic of the General Hospital of Patras. He has participated in numerous medical conferences in Greece and abroad and has published scientific papers in both Greek and international journals. He has been involved in the full spectrum of General Surgery operations, including major surgeries both emergency and elective. Throughout his extensive career, he has focused on laparoscopic surgery primarily of the biliary tract, hernias, diseases of the minor pelvis (gynecological conditions), and surgery of the upper and lower gastrointestinal tract (stomach, small and large intestine, anus).

Kouzanidis Nikolaos MD, MSc is a General Surgeon with private practices in Nea Ionia and Ampelokipoi. He graduated from the Medical School of the University of Patras and has completed postgraduate studies in minimally invasive surgery, robotic surgery, and telesurgery at the Medical School of the National and Kapodistrian University of Athens. The physician performs laparoscopic cholecystectomies, inguinal hernias, umbilical hernias, and all types of surgical procedures, as well as home-based pressure ulcer debridement. Kouzanidis Nikolaos continuously updates his knowledge in his specialty through active participation in conferences and attendance at seminars. Finally, he is a member of the Medical Association of Athens, the Hellenic Surgical Society, the Hellenic Society of Laparoscopic Surgery & Other Interventional Techniques, as well as the European Association for Endoscopic Surgery.

Ntourakis Dimitrios MD, PhD, FACS is a General Surgeon maintaining a private practice in Paleo Faliro. He is a Professor of Surgery at the European University of Cyprus and the Director of the Minimally Invasive Surgery Clinic at Iatriko Paleo Faliro. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is a graduate of the same institution’s Medical School. Additionally, he holds diplomas in Laparoscopic Surgery, Ultrasound, and Ultrasonographic Techniques from the University of Strasbourg, a diploma in Hepato-Biliary and Pancreatic Surgery from Paris XI University, and a diploma in Colorectal and Anal Surgery from Paris Diderot - Paris VII University. It is also noteworthy that he graduated from the Surgical Leadership Program at the Harvard Medical School. He initially specialized at Korgialeneio - Benakeio Hospital of the Hellenic Red Cross and subsequently continued his training at the University of Strasbourg, France, where he later served as Chef de Clinique des Universités. Finally, he has participated in numerous conferences and courses and has an extensive number of publications in international scientific journals. He is a member of scientific associations and societies in Greece and abroad.

Η Μπουτσιάδου Τριανταφυλλιά είναι Γενικός Χειρουργός MD, MSc και διατηρεί ιδιωτικό ιατρείο στη Θεσσαλονίκη στην Ιδιωτική Κλινική "Γένεσις".

Αποφοίτησε από την Ιατρική Σχολή του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης και ακολούθησε την ειδικότητα της Γενικής Χειρουργικής στην Α' Προπαιδευτική Χειρουργική Κλινική του Πανεπιστημιακού Γενικού Νοσοκομείου Θεσσαλονίκης ΑΧΕΠΑ. Στο πλαίσιο της εκπαίδευσής της, μετεκπαιδεύτηκε στο CHU Haut-Leveque του Bordeaux στη Γαλλία, αποκτώντας πολύτιμη εμπειρία σε σύγχρονες χειρουργικές πρακτικές και τεχνικές.

Η επιστημονική της κατάρτιση ενισχύθηκε περαιτέρω με εξειδίκευση στην ελάχιστα επεμβατική και λαπαροσκοπική χειρουργική στο Kantonnspital Winterthur της Ελβετίας, ένα από τα σημαντικά κέντρα αναφοράς στον τομέα αυτό. Η συνεχής επιμόρφωση και η προσήλωσή της στην εφαρμογή των πλέον σύγχρονων χειρουργικών μεθόδων αποτελούν βασικά χαρακτηριστικά της επαγγελματικής της πορείας.

Έχει διατελέσει ειδικευόμενη χειρουργικής τόσο στο Πανεπιστημιακό Γενικό Νοσοκομείο Θεσσαλονίκης ΑΧΕΠΑ όσο και στο CHU Haut-Leveque του Bordeaux, ενώ στη συνέχεια υπηρέτησε ως Επικουρική Επιμελήτρια Χειρουργικής στο Γενικό Νοσοκομείο Κιλκίς. Σήμερα κατέχει θέση Επιμελήτριας Χειρουργικής στο Γενικό Νοσοκομείο Γουμένισσας - Γενικό Νοσοκομείο Κιλκίς, όπου ασχολείται με το ευρύ φάσμα της γενικής χειρουργικής, με ιδιαίτερο ενδιαφέρον στις ελάχιστα επεμβατικές τεχνικές και τη χειρουργική του πεπτικού συστήματος.

Παράλληλα, συμμετέχει ενεργά στην επιστημονική κοινότητα, αποτελώντας μέλος σημαντικών ελληνικών και ευρωπαϊκών επιστημονικών εταιρειών, όπως η European Hernia Society, η European Society of Coloproctology, η European Association for Endoscopic Surgery and other Interventional Techniques, η Ελληνική Εταιρεία Κολοπρωκτολογίας και η Ελληνική Εταιρεία Χειρουργικής Παχέος Εντέρου - Πρωκτού. Μέσα από τη διαρκή επιστημονική δραστηριότητα και εκπαίδευση, παρακολουθεί τις εξελίξεις της σύγχρονης χειρουργικής, με στόχο την παροχή υψηλού επιπέδου και εξατομικευμένης φροντίδας στους ασθενείς της.

Panagiotakis Emmanouil MD, PhD is a General Surgeon with a private practice in Marousi. He holds a degree from the Medical School of Aristotle University of Thessaloniki and a doctoral degree from the Department of General, Oncological Surgery and Visceral Surgery at the University of Hannover. He specialized at a major Oncology Center in Bremen, Germany (Klinikum Bremen Mitte - Academic Hospital of the University of Gottingen), and has also obtained subspecialty certification in proctology following examinations in Germany. He has worked as an Attending Physician at Klinikum Bremen Mitte, Gesundheit Nord in Germany, and currently serves as an Attending Physician at Iaso General Clinic. He has extensive experience (2011 to 2023) in the management of oncological patients, patients with chronic inflammatory bowel diseases (Crohn’s disease, ulcerative colitis), patients with proctological conditions, as well as patients with benign conditions (e.g., hernias, gallbladder). Finally, the physician is a member of the European Society of Coloproctology.

Ο ιατρός Άσση Αβραάμ είναι Διευθυντής της Β’ Ογκολογικής Κλινικής - Μονάδας Κλινικών Μελετών στο νοσοκομείο Ερρίκος Ντυνάν Hospital Center.

Ο Αβραάμ Άσση αποφοίτησε το 2005 από την Ιατρική Σχολή του Πανεπιστημίου Αλεξάνδρειας Αιγύπτου. Ειδικεύθηκε στην Παθολογική Ογκολογία στην Δ’ Παθολογική Κλινική και στην Αιματολογική Κλινική του Νοσοκομείου Ευαγγελισμός, στην Ογκολογική Κλινική του Πανεπιστημιακού Νοσοκομείου Ιωαννίνων καθώς και στην Ογκολογική Κλινική του Γενικού Αντικαρκινικού Νοσοκομείου Πειραιώς Μεταξά.

Ταυτόχρονα, παρακολούθησε το μεταπτυχιακό πρόγραμμα σπουδών της Ιατρικής Σχολής ΕΚΠΑ “Η Νεοπλασματική Νόσος στον Άνθρωπο – Σύγχρονη Κλινικοπαθολογοανατομική προσέγγιση και έρευνα” ενώ το 2019 έλαβε τον τίτλο ευρωπαϊκής πιστοποίησης στην Παθολογική Ογκολογία ESMO και τον Οκτώβριο του 2021 τον τίτλο ευρωπαϊκής πιστοποίησης στη Γυναικολογική Ογκολογία, ESGO.

Από το 2019, έχει συνεργαστεί με πληθώρα κλινικών όπως η Ογκολογική Κλινική του Γενικού Αντικαρκινικού Νοσοκομείου Πειραιώς Μεταξά, η Πανεπιστημιακή Παθολογική Κλινική του ΓΝΑ ΑΤΤΙΚΟΝ, η Δ’ Ογκολογική κλινική ΕΡΡΙΚΟΣ ΝΤΥΝΑΝ Hospital Center, καθώς και με τα θεραπευτήρια Metropolitan General, Therapis General, ΜΗΤΕΡΑ. Ιδιαίτερο γνωστικό του αντικείμενο αποτελούν ο Γυναικολογικός Καρκίνος, ο Καρκίνος Μαστού, ο Καρκίνος Πεπτικού, ο Καρκίνος Πνεύμονος καθώς και ο Καρκίνος Κεφαλής/τραχήλου.

Ο ιατρός έχει ενεργό συμμετοχή σε ελληνικά και διεθνή συνέδρια και κλινικά σεμινάρια σχετικά με το αντικείμενο της Παθολογικής Ογκολογίας, τόσο με προφορικές ομιλίες, όσο και με ελεύθερες ανακοινώσεις. Τέλος, είναι συγγραφέας δημοσιεύσεων σε διεθνώς αναγνωρισμένα ιατρικά περιοδικά.

Σήμερα, είναι Διευθυντής της Β' Ογκολογικής Παθολογικής Κλινικής - Μονάδας Κλινικών Μελετών στο ΕΡΡΙΚΟΣ ΝΤΥΝΑΝ Hospital Center, ενώ παράλληλα διατηρεί ένα ιδιωτικό ιατρείο στη Ρόδο, που εξυπηρετεί κατοίκους Δωδεκανήσων.