General surgeons with experience in Umbilical hernia

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.

Karaiskos Ioannis is a General Surgeon with a private practice in Vari. He holds a degree from the Medical School of Athens and completed his specialty training at the 1st University Surgical Clinic of the General Hospital of Athens "Laiko." Additionally, he received advanced training in Laparoscopic Surgery at Montefiore Medical Centre in New York and possesses specialized knowledge in Breast Surgery as well as General Surgery. Currently, he maintains scientific collaboration with numerous private clinics and health insurance providers. In his fully equipped private clinic, he ensures that patients receive comprehensive information and a well-documented treatment plan. He manages cases across the entire spectrum of General Surgery, including hernias, breast and skin conditions, pilonidal cyst, melanoma, and pressure ulcers. Furthermore, he has authored five foreign-language publications and, with a focus on continuous education, actively participates in both Greek and international conferences.

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.

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 performed over 3,500 surgeries.

He maintains private practices in Marousi and Peristeri.

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 his Doctor of Medicine degree and subsequently obtained numerous university diplomas in France, including specializations in gastrointestinal 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, utilizing minimally invasive techniques. Currently, he provides his services at the Athens Medical Center in Marousi and Peristeri.

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

He is fluent in French and English.

Drkokkalis Marios - Konstantinos MD, PhD, MSc(c) is a General Surgeon, specialized in Germany and a graduate of the Medical School of Thessaloniki. He has worked in Germany for a decade, where he served as Consultant and Head of the Abdominal Wall Hernia Department at the Surgical Clinic and Transplant Center of the University of Tübingen, where he also earned his PhD on Colorectal Cancer. Additionally, he is the Treasurer of the Hellenic Hernia Society. The doctor has managed numerous cases across the full scope of General Surgery with an emphasis on Laparoscopic Surgery, and it is noteworthy to highlight his expertise in Advanced Surgery of Abdominal Wall Hernias, Colorectal Surgery, and Proctology.

Δρ. Μίντζηρας Ιωάννης MD, MSc, PhD Γενικός Χειρουργός - εξειδικευμένος Χειρουργός Ενδοκρινών Αδένων

Αναπληρωτής Καθηγητής Χειρουργικής (PD Dr. med.), Πανεπιστημιακή Κλινική του Πανεπιστημίου «Philipps-University Marburg», Γερμανία

Επιμελητής στο Τμήμα Γενικής, Λαπαροσκοπικής, Ογκολογικής και Ρομποτικής Χειρουργικής στο Ιατρικό Κέντρο Αθηνών

Σπούδασε στην Ιατρική Σχολή του Πανεπιστημίου Αθηνών και μετά το πέρας των σπουδών του μετέβη απευθείας στο εξωτερικό και πραγματοποίησε το σύνολο της ειδικότητας της Χειρουργικής σε ένα από τα πλέον ιστορικά και ονομαστά Πανεπιστήμια της Γερμανίας, την Πανεπιστημιακή Κλινική του «Philipps-University Marburg», που αποτελεί κορυφαίο κέντρο αναφοράς στη χειρουργική ενδοκρινών αδένων και νευροενδοκρινών όγκων. Το έντονο και διαρκώς αυξανόμενο επιστημονικό και ακαδημαϊκό ενδιαφέρον του, τον οδήγησε στην ολοκλήρωση της διδακτορικής του διατριβής το 2019 με θέμα «Evaluation of the safety of early drain removal after partial pancreaticoduodenectomy».

Μετά την απόκτηση της ειδικότητας της Γενικής και Σπλαχνικής Χειρουργικής, εργάστηκε αρχικά ως επιμελητής Β και στη συνέχεια ως επιμελητής Α και σε άλλες ονομαστές κλινικές της Γερμανίας, συμμετέχοντας και διενεργώντας και ο ίδιος πληθώρα επεμβάσεων που καλύπτουν όλο το φάσμα της γενικής χειρουργικής. Τα τελευταία χρόνια επικεντρώθηκε στη χειρουργική ενδοκρινών αδένων εργαζόμενος σε ονομαστά κέντρα αναφοράς της Γερμανίας, στο Essen υπό τη διεύθυνση του Prof. M. Walz και στη συνέχεια στο Πανεπιστήμιο του Marburg, όπου σε συνεργασία με την υπεύθυνη του τμήματος χειρουργικής ενδοκρινών αδένων και πρόεδρο της Πανγερμανικής Εταιρίας Χειρουργικής Ενδοκρινών Αδένων, Prof. K. Holzer, διαχειρίστηκαν και αντιμετώπισαν επί σειρά ετών ένα μεγάλο αριθμό περιστατικών, που αφορούσαν τόσο καλοήθεις όσο και κακοήθεις παθήσεις θυρεοειδούς, επινεφριδίων και παθήσεις των παραθυρεοειδών αδένων.

Παράλληλα με την εξειδίκευσή του στη χειρουργική ενδοκρινών αδένων, παρακολούθησε το Μεταπτυχιακό Πρόγραμμα του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης, με αντικείμενο τη Στατιστική και Αναλυτική Βιοϊατρικών Δεδομένων (Health Statistics and Data Analytics), το οποίο και ολοκλήρωσε με άριστα, αποκτώντας τον τίτλο Master of Science (MSc). Το πλούσιο συγγραφικό του έργο και η απρόσκοπτη ενασχόληση του με την εκπαίδευση των φοιτητών της Πανεπιστημιακής Κλινικής Marburg άνοιξαν το δρόμο για την αναγόρευσή του σε Αναπληρωτή Καθηγητή (PD Dr. med.) στο Πανεπιστήμιο «Philipps-University Marburg». Συνεχίζει με υπευθυνότητα και αμείωτο ενθουσιασμό το ακαδημαϊκό του έργο στην Πανεπιστημιακή Κλινική Marburg, συμμετέχοντας στη διδασκαλία και την επίβλεψη διδακτορικών διατριβών των φοιτητών του Πανεπιστημίου.

Έχει συμμετάσχει σε πληθώρα πανευρωπαϊκών και πανγερμανικών συνεδρίων χειρουργικής ενδοκρινών αδένων και νευροενδοκρινών όγκων με παρουσιάσεις σε μορφή posters (ελεύθερων ανακοινώσεων) και ομιλιών, ενώ έχει βραβευτεί για το επιστημονικό του έργο από τη Γερμανική Εταιρία Χειρουργικής Ενδοκρινών Αδένων. Το συγγραφικό του έργο αριθμεί πάνω από 40 επιστημονικές δημοσιεύσεις στο PubMed σε μεγάλα διεθνή ιατρικά περιοδικά, πάνω από 890 βιβλιογραφικές αναφορές και ειδικό δείκτη παραπομπών (h-index) 15. Ως ενεργό μέλος της Ακαδημαϊκής Κοινότητας του Πανεπιστημίου του Marburg συνεχίζει το ακαδημαϊκό και ερευνητικό-επιστημονικό του έργο. Παράλληλα είναι τακτικό και ενεργό μέλος της Γερμανικής Εταιρίας Χειρουργικής Ενδοκρινών Αδένων, της Γερμανικής Εταιρίας Γενικής και Σπλαχνικής Χειρουργικής και μέλος του Συλλόγου Χειρουργών Γερμανίας. 

Nikolaidis Georgios is a General Surgeon with a private practice in Kalamaria, Thessaloniki. He holds a degree from the Medical School of Université de Médecine et Pharmacie in France and obtained his General Surgery specialization at the General Hospital of Thessaloniki "Papageorgiou." He trained in Oncologic Surgery, Breast Surgery, and Laparoscopic Surgery as an assistant surgeon at the same hospital. He continued his training at the General Hospital of Thessaloniki AHEPA as a scientific collaborator, where he still delivers numerous lectures and educates medical students who have completed their third year of study. He has extensive experience in the diagnostic and interventional use of breast ultrasound and is among the few surgeons in Greece certified for Advanced Laparoscopic Surgery by the Northern Greece Surgical Society in collaboration with the 4th Surgical Clinic of Aristotle University. He has attended numerous seminars on the diagnostic approach and surgery of the breast throughout Greece and abroad. He has served in the Surgical Department of the Military Hospital of Xanthi, the Surgical Clinic of the General Hospital of Ptolemaida "Bodosakeio," the General Hospital of Kozani "Mamatsio," the Health Center of Siatista, and in the emergency surgery, minor surgery, and vascular surgery departments of the "Papageorgiou" Hospital. Currently, he is a scientific collaborator at the University Hospital of Thessaloniki AHEPA and leads numerous oncologic and other surgical procedures, with an emphasis on breast-related cases, at Euromedica General Clinic Thessaloniki, the Private Clinic of Thessaloniki "Agios Loukas," and Genesis Clinic Thessaloniki, where he is involved in the full spectrum of activities.

Menelaos Zoulamoglou MD, MSc is a General Surgeon maintaining a private practice in Vrilissia, specializing in modern minimally invasive and oncological surgery. He completed his medical studies at the National and Kapodistrian University of Athens and has undergone extensive postgraduate training through multiple advanced degrees, including surgical oncology and advanced laparoscopic, bariatric, and robotic surgery. Throughout his professional career, he has served at major hospitals in Athens, gaining extensive experience in general and oncological surgery, with years of training in both university and hospital settings, including specialization in surgery. His expertise encompasses a wide range of conditions, such as colorectal surgery, oncologic procedures of the digestive system, as well as liver, pancreas, and breast surgery. His objective is to provide high-quality medical services with an emphasis on patient safety, modern minimally invasive techniques, and individualized surgical care.

Georgantas Dimitrios is a General Surgeon and maintains a private practice in Marousi. He graduated from the Medical School of the National and Kapodistrian University of Athens and specialized in General Surgery at the Pediatric Surgery Clinic of the General Hospital of Piraeus “Tzaneio” and in Surgery at the University Clinic of the University Hospital of Athens Aretaieio. Additionally, he holds a PhD from the Department of Surgery at the National and Kapodistrian University of Athens and collaborates with Metropolitan General. He has also served as Deputy Director at the Third Surgical Clinic of HYGEIA Hospital and is a member of the Hellenic Surgical Society.

Perrakis Euaggelos MD, PhD is a General Surgeon with a private practice in Aigaleo. He is a graduate of the Medical School of the National and Kapodistrian University of Athens. He collaborates with various private healthcare facilities in Athens, such as the Athens Medical Center, and was the first to introduce the technique of complete mesocolic excision (CME) for the surgical treatment of colon cancer in Greece. He has taught at the University of Düsseldorf in Germany and has worked for over 10 years in major surgical centers in Germany. Additionally, he developed his own techniques for the repair of inguinal hernias, umbilical hernias, and Spigelian hernias, which have been accepted by the European and global surgical communities. In his private practice, he provides high-level services in laparoscopic surgery, oncological surgery, and hernia repair surgery, as well as for the treatment of diseases of the colon and digestive system, liver, biliary tract, pancreas, thyroid, endocrine glands, and adrenal glands. He has a significant scientific contribution, with publications and presentations at medical conferences, as well as authorship of books for medical professionals and the general public.

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.

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.

Ioumpas Leon is a General Surgeon and maintains a private practice in Kolonos. He graduated from the Medical School of Cluj Napoca in Romania and obtained his specialty in general surgery at the General Hospital of Athens "Evangelismos," in the 3rd Surgical Clinic - Laparoscopic Unit. Currently, he is a Scientific Collaborator at Hygeia Hospital, the "Eugenideio" Therapeutic Center, the "Attiko Therapeutic Center," as well as the private hospital "Mitera." He manages cases across the full spectrum of general surgery, including the diagnosis, laparoscopy, and surgical treatment of the colon, stomach, and pancreas. Additionally, he performs thyroidectomies, appendectomies, hemorrhoidectomies, and cholecystectomies, as well as all types of hernia repairs and provides comprehensive information and evidence-based surgical management plans for patients with skin tumors, such as melanomas and lipomas. Finally, his private practice offers the possibility of performing minor procedures, bloodlessly and under local anesthesia, such as removal of skin tumors - cysts, skin nevi, biopsies, ingrown nails, and treatment of telangiectasias.