Doctors with experience in Rectal fistula

Tsakmakas Dimitrios is a General Surgeon specialized in all anorectal diseases (pilonidal cyst, anal fissure, fistulas) and maintains his private practice in Thessaloniki. He holds a degree from the Medical School of the University of Thessaly. He began his specialization in 2004 as a general surgeon at Panagia Hospital in Thessaloniki for six years. In 2010, he obtained his specialization in General Surgery and subsequently served as a Surgeon - Consultant in endocrine glands at the Department of Endocrine Surgery, Addenbrookes University Hospital, Cambridge, UK. He is affiliated with all private clinics in the city, including the Medical Interbalkan Center, Euromedica Blue Cross, Agios Loukas, Bioclinic Thessaloniki, Euromedica General Clinic, and Genesis Clinic. In March 2012, he earned his PhD from Aristotle University of Thessaloniki with a thesis entitled "Correlation of Oxidative Stress and Thyroid Diseases." He worked as a collaborator with Professor of Surgery at Aristotle University of Thessaloniki, Dr. Ioannis Kanellos, for one year and with the Director of Surgery at Panagia Hospital, Dr. Michail Naoum, until 2015, as well as collaborating with the former Director of the Surgical Clinic at General Hospital of Ioannina "G. Hatzikosta," Dr. Evangelos Tsimogiannis, from 2013 to the present.

Dr. Kexagias Aristotelis MD, PhD, FACS is a General Surgeon with a subspecialty in Advanced Laparoscopic and Endocrine Surgery, as well as Laser procedures. He is a summa cum laude Doctor of the Medical School of the National and Kapodistrian University of Athens. He holds two specialty certifications (double specialty): General Surgery (Athens) and Laparoscopic Surgery of the Gastrointestinal Tract and Endocrine Glands, following postgraduate training at the University Hospital of Tampere, Finland. He has received further training at leading international centers in laparoscopic surgery and thyroid/parathyroid surgery, including the Karolinska Institute in Stockholm, Sweden, UMC Utrecht in the Netherlands, and Rudolfstiftung in Vienna. He also completed advanced training in modern minimally invasive Laser techniques at the Tor Vergata University Hospital in Rome. He is certified in advanced laparoscopic surgery by IRCAD France in Strasbourg. He is a member of numerous Greek and international surgical scientific societies and the American College of Surgeons. He has participated as an invited speaker in many international and national conferences. He maintains a private practice in Agia Paraskevi and performs surgeries at private hospitals in Athens.

Tsizanou Xaralampos - Fernant is a General Surgeon-Proctologist and maintains his private practice in Ampelokipoi. He is an honor graduate Doctor of the University of Athens and holds a Master of Proctology (USA), while also serving as an Assistant Professor at the University of Notre Dame. For surgeries, he utilizes advanced and innovative techniques such as the use of Laser and ultrasound, allowing the patient to return immediately to their daily routine after surgery. He manages: Proctological conditions (hemorrhoids, anal fissure, perianal abscess, perianal fistula, pilonidal cyst, condylomas, anorectal malignancy), laparoscopic hernia repair, laparoscopic gallbladder diseases (cholelithiasis, cholecystitis), skin conditions (lipoma, sebaceous cyst, nevi, hidradenitis), and diseases of the colon (diverticula, polyps, cancer). Finally, it is noteworthy that the doctor engages in research and regularly publishes in international journals (in English and French) and collaborates with numerous hospitals and clinics abroad. To this day, he is the personal advisor to the President of the People's Republic of Congo and cooperates with the Congo mission (Patriarchate of Alexandria).

Dr. Ioannis Zouridakis, MD, MSc, is a General Surgeon and Breast Specialist who has maintained a private practice in Korydallos since 1994 and recently within REA Hospital. He is a Scientific Collaborator and a PhD candidate at the Medical School of the National and Kapodistrian University of Athens. He earned his medical degree in 1986 from the University of Rome “La Sapienza” with a doctoral thesis completed during his studies. He specialized in General Surgery at the General Hospital of Athens "Evangelismos" and further specialized in Laparoscopic Surgery at the University of Montpellier in France. He attended the European Advanced Level Course in Breast Disease Management for Surgeons in Athens and specialized in the treatment of breast diseases at the 6th Oncology Hospital "G. Gennimatas." Subsequently, he specialized in hernia surgery using dual mesh PHS & Prolene 3D Patch at Umberto I Hospital in Italy and also specialized in Minimally Invasive Operating Techniques in Colorectal Surgery. He has worked in numerous hospitals and clinics and has served for many years as the Director of the Surgical Clinic at Metropolitan Hospital. Currently, he works daily as a Surgeon – Laparoscopist – Breast Specialist (Consultant Surgeon) at the General and Maternity Hospital REA, one of the most modern hospitals in Greece. Finally, he has attended and participated in over 100 medical conferences in Greece and abroad.

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.

Alivizatos Vasileios MD, PhD is a general surgeon, Doctor of Medicine from the Medical School of the University of Patras, and former Coordinating Director of the Surgical Clinic at the General Hospital of Patras "Saint Andrew," where he served for a total of 36 years as a specialized surgeon. During his career, he received advanced training in liver-biliary-pancreatic surgery in Bern, Switzerland; new hernia repair techniques in Mechelen, Belgium; and Artificial Nutrition (Parenteral, Enteral) in Manchester, United Kingdom. He has attended numerous advanced training seminars in the USA and has participated in 139 medical conferences (74 in Greece, 65 abroad, mainly Europe, USA, Asia), presenting scientific clinical studies as well as delivering lectures and talks upon invitation by medical societies. Furthermore, he has 124 publications of clinical studies in Greek and international medical journals and books, with 4 of his published studies in international medical journals cited 119 times in studies by foreign authors (citation index). He has extensive experience in surgical procedures of minor and moderate severity (hernias, pilonidal cyst, lipomas, biliary diseases, anal conditions, etc.), as well as major surgeries (benign and malignant diseases of the stomach, small and large intestine, kidney, uterus, ovaries) and benign and malignant diseases of the pancreas (chronic pancreatitis, pancreatic tumors, pancreaticoduodenectomies Whipple). Currently, he practices in the private sector, covering the full spectrum of general surgery as well as Artificial Nutrition (Parenteral and Enteral, gastrostomies, enterostomies) for patients with chronic conditions who are unable to be fed orally.

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).

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.

Ο Dr. Δημήτριος Α. Βουγιουκλάκης, MD, PhD, είναι Γενικός Χειρουργός της Κλινικής Γενικής, Λαπαροσκοπικής, Βαριατρικής και Ρομποτικής Χειρουργικής και διατηρεί ιδιωτικό ιατρείο στους Αμπελοκήπους. Γεννήθηκε και μεγάλωσε στον Πειραιά και κατάγεται από τη Λάγια της Μάνης. Αποφοίτησε από την Ιωνίδειο Πρότυπο Σχολή Πειραιά και, κατόπιν Πανελλαδικών Εξετάσεων, εισήχθη στην Ιατρική Σχολή Αθηνών και στη Στρατιωτική Σχολή Αξιωματικών Σωμάτων (ΣΣΑΣ) Θεσσαλονίκης, από όπου αποφοίτησε το 1985 ως Ανθυποσμηναγός Ιατρός. Μετά την υπηρεσία του στην Υγειονομική Υπηρεσία της 130 Σμηναρχίας Μάχης στη Λήμνο, εκπαιδεύτηκε στη Γενική Χειρουργική στο 251 Γενικό Νοσοκομείο Αεροπορίας και στο ΝΕΕΣ, αποκτώντας τον τίτλο ειδικότητας το 1992. Το 1996 μετέβη στο Ηνωμένο Βασίλειο για μετεκπαίδευση στο Royal Free Hospital του Λονδίνου, στον τομέα της χειρουργικής ήπατος, χοληφόρων, παγκρέατος και μεταμοσχεύσεων ήπατος, όπου εργάστηκε ως Fellow και έμμισθος χειρουργός. Με την επιστροφή του στην Ελλάδα, συνέχισε την επαγγελματική του πορεία στο 251 ΓΝΑ, όπου διετέλεσε Επιμελητής Χειρουργικής και, από το 2006, Διευθυντής της Α΄ Χειρουργικής Κλινικής. Το 2021 ανέλαβε καθήκοντα Υποδιοικητή και Διευθυντή Ιατρικού Προσωπικού του 251 ΓΝΑ με τον βαθμό του Ταξιάρχου, ενώ το 2023 ορίστηκε Πρόεδρος της Ανωτάτης Υγειονομικής Επιτροπής Κρίσεων της Πολεμικής Αεροπορίας. Το 2024 αποστρατεύθηκε ευδοκίμως με τον βαθμό του Υποπτεράρχου, τον ανώτατο βαθμό του Υγειονομικού.

Κατά τη διάρκεια της μακρόχρονης πορείας του έχει λάβει εξειδικευμένη εκπαίδευση στην ελάχιστα επεμβατική, λαπαροσκοπική και ρομποτική χειρουργική, με συμμετοχή σε σειρά εξειδικευμένων εκπαιδευτικών courses στο IRCAD του Στρασβούργου και στο ORSI του Βελγίου. Το 1995 αναγορεύθηκε Διδάκτωρ του Πανεπιστημίου Αθηνών, μετά την εκπόνηση πειραματικής διδακτορικής διατριβής με αντικείμενο τις σηπτικές και άλλες επιπλοκές μετά την εμφύτευση χολόλιθων στην περιτοναϊκή κοιλότητα. Παράλληλα, έχει πλούσια επιστημονική δραστηριότητα, με δημοσιεύσεις σε διεθνή ιατρικά περιοδικά και πολυάριθμες ανακοινώσεις και παρουσιάσεις σε ιατρικά συνέδρια στην Ελλάδα και το εξωτερικό.

Η χειρουργική του εμπειρία καλύπτει όλο το φάσμα της Γενικής Χειρουργικής, τόσο στην ανοικτή όσο και στη λαπαροσκοπική και ρομποτική χειρουργική. Περιλαμβάνει, μεταξύ άλλων, μείζονες ηπατεκτομές, παγκρεατεκτομές Whipple, επεμβάσεις πρωκτού, περινέου και θυρεοειδούς, καθώς και επεμβάσεις ανώτερου και κατώτερου πεπτικού, ήπατος, παγκρέατος, σπλήνας, ενδοκρινών και συμπαγών οργάνων, βαριατρικές επεμβάσεις και αποκατάσταση κηλών κοιλιακού τοιχώματος. Στον τομέα της ρομποτικής χειρουργικής, η εμπειρία του περιλαμβάνει επεμβάσεις ανώτερου πεπτικού, βαριατρικής χειρουργικής, παχέος εντέρου και ορθού, καθώς και αποκατάσταση κηλών κοιλιακού τοιχώματος. Πολλές από τις χειρουργικές επεμβάσεις του έχουν παρουσιαστεί και βιντεοπροβληθεί σε ελληνικά και διεθνή ιατρικά συνέδρια, ενώ ορισμένες έχουν διακριθεί και βραβευθεί ως καλύτερες βιντεοπροβολές συνεδρίων.

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.

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.