Doctors for Arthroscopy

Mr. Siopis Xristos is an Orthopedic Surgeon with private practices in Thessaloniki (28 Agias Sofias, 2nd Floor) and Veria (32 El. Venizelou, 3rd Floor). He is a graduate of the Medical School of the University of Thessaly. Since 2021, he has been a Collaborating Surgeon at the A’ Orthopedic Clinic of the Interbalkan Medical Center of Thessaloniki and a direct collaborator of Dr. Stylianos Kapetanakis in the Spine & Deformities Department. Simultaneously, he serves as a Collaborating Physician at the Athens Medical Center in Marousi and Psychiko. He specializes in knee and hip arthroplasties with customized implants, spinal surgery, knee and shoulder arthroscopies, as well as pediatric orthopedics. In his private practices, he provides a wide range of services tailored to the individual needs of each patient, always with respect to the patient himself.

Anoua Nikolaos is a specialized Orthopedic Surgeon and Traumatologist with a private practice in Vrilissia. He has extensive clinical and surgical experience with adults as well as a particular focus on Pediatric Orthopedics. He graduated from the Medical School of Democritus University of Thrace and obtained his specialty title in Orthopedic Surgery and Traumatology in 2019. He has served at leading hospitals in the country, such as the General Hospital of Athens "KAT", Metropolitan Hospital, IASO Children’s Hospital, Athens Medical Center, and OSTEON Orthopedic & Spine Clinic, covering a wide range of cases in both children and adults. His expertise also includes additional experience in Pediatric Orthopedics at the General Children’s Hospital of Athens "P. & A. Kyriakou". He is a member of important scientific associations, including the Athens Medical Association, the General Medical Council (UK), the Hellenic Society of Surgery and Orthopedic Traumatology (EEXOT), and the Hellenic Society of Out-of-Hospital Emergency Medicine (EEEE). His goal is to provide personalized and scientifically substantiated care, emphasizing patient safety, functionality, and improvement of quality of life.

Markopoulos Xristos is an Orthopedic Surgeon and a PhD candidate at the Medical School of the University of Athens, with a private practice in Marousi. Concurrently, he serves as a Consultant in the Upper Limb and Microsurgery Department at YGEIA Hospital and has been a member of the medical team for the Panathinaikos BC basketball team. He graduated from the Medical School of the University of Eastern Piedmont in Northern Italy and subsequently specialized in Orthopedic Surgery at the 1st University Orthopedic Clinic of the University of Athens at "Attiko" Hospital. During his specialization, he focused particularly on the Pediatrics and Microsurgery departments at KAT Hospital. Additionally, he holds a postgraduate degree in Metabolic Bone Diseases - Osteoporosis from the National and Kapodistrian University of Athens. He is also a member of the Hellenic Osteoporosis Society and the Hellenic Pain Society. Finally, he has contributed to scientific papers and textbooks that have been presented at conferences and published in journals.

Ο Dr. Καραχοτζίτης Δ.Νικόλαος γεννήθηκε στην Αθήνα και μεγάλωσε στο Άργος. Το 2017 ολοκλήρωσε τις σπουδές του στο Pavol Jozef Šafárik University στο Κόσιτσε της Σλοβακίας. Ειδικεύτηκε στην Ορθοπαιδική Χειρουργική στο Ασκληπιείο της Βούλας στο Δ´ Ορθοπαιδικό τμήμα αθλητικών κακώσεων του αείμνηστου Συντονιστή Διευθυντή Ιωάννη Μίχου. Εκπαιδεύτηκε για 6 μήνες στο τμήμα Νευροχειρουργικής στο ΝΙΜΤΣ - 417 Νοσηλευτικό Ιδρυμα Μετοχικού Ταμείου Στρατού. Εκπαιδεύτηκε για 6 μήνες στο τμήμα Πλαστικής και Επανορθωτικής Χειρουργικής του Γενικού Αντικαρκινικού νοσοκομείου "ΜΕΤΑΞΑ". Εκπαιδεύτηκε για 12 μήνες στο τμήμα Παιδοορθοπαιδικής του Α' Παιδοορθοπαιδικού τμήματος στο Γενικό Νοσοκομείο Παίδων «Π&Α Κυριακού». Από τον Οκτώβριο του 2025 εργάζεται ως επιμελητής στο τμήμα Επανορθωτικής Ορθοπαιδικής Χειρουργικής στο Ιατρικό Κέντρο Αθηνών, κλινική Π. Φαλήρου. Στο ιατρείο του παρέχει υπηρεσίες για:

Εκφυλιστική αρθοπάθεια ισχιου

Ολική αρθροπλαστική ισχίου

Εκφυλιστική αρθροπάθεια γόνατος

Ολική αρθροπλαστική γόνατος

Αναθεώρηση αρθροπλαστικής γόνατος και ισχίου

Αρθροσκοπηση γόνατος

Αποκατάσταση προσθίου χιαστού γόνατος

Βλαισό μέγα δάκτυλο, σφυροδακτυλία

Οσφυαλγία

Ισχιαλγία

Αρθροσκόπηση ώμου

Αρθροσκόπηση ποδοκνημικής

Μυοσκελετικές παθήσεις

Οστεοπόρωση

Κατάγματα

Σύνδρομο καρπιαίου σωλήνα

Εκτινασσόμενος δάκτυλος

Εγχύσεις υαλουρονικού

Prp

Papoutsis Konstantinos MD, FEBOT, FRCS (Tr&Orth) is a Military Physician, Orthopedic Surgeon, Traumatologist, and maintains a private practice in Panormou. He is a Consultant at the Orthopedic Clinic of the Naval Hospital of Athens. He graduated from the Medical Department of the Military School of Corps Officers and holds a degree from the Medical School of Aristotle University of Thessaloniki. He trained in both surgical and non-surgical management of the full spectrum of orthopedic conditions initially at the Naval Hospital of Athens and subsequently in London, where he spent a total of six years. He completed his specialty training in Orthopedic Traumatology, earning fellowships from the Royal College of Surgeons of England and the European Board of Orthopaedics and Traumatology following specialized examinations. He has specialized in recognized centers in London in Adult Hip and Knee Reconstructive Surgery, management of Hip disorders in Young Adults, and is among the few surgeons in Greece specialized in Trauma Surgery, Fractures, and Pelvic Ring (Pelvis) and Acetabulum Pathologies. Hip and Knee Arthroplasty using the latest minimally invasive, bloodless techniques and fast recovery protocols, revision of painful arthroplasty, arthroscopic surgery of the hip, knee, and shoulder, ligament reconstruction, sports injuries, and fracture surgery are some of the procedures he frequently performs. He is committed to providing high-level healthcare services modeled on the standards of the United Kingdom's health system, with respect for the patient's individuality and dignity. Finally, he collaborates with Metropolitan, Metropolitan General, Mediterraneo Hospital, and the Peristeri Medical Center.

Dr. Georgios Tsakotos MD, MSc, PhD Orthopedic Surgeon - Assistant Professor, Medical School, National and Kapodistrian University of Athens Georgios Tsakotos was born in Tripoli, Arcadia. After completing secondary education in Tripoli, he was admitted to the Medical School of the National and Kapodistrian University of Athens. From 2006 to 2012, he trained as an Orthopedic Surgeon at the 4th Orthopedic Clinic of "KAT" Hospital. He has received further training abroad in sports medicine, arthroscopic and reconstructive orthopedic surgery. He has participated, presenting papers and lectures, in numerous medical scientific conferences in Greece and abroad. He has authored and published over 100 research scientific articles in peer-reviewed international medical journals. He holds a distinction as Doctor of Philosophy (PhD) from the Medical School of Athens, a Master's degree (MSc) in metabolic bone diseases – osteoporosis from the Medical School of Athens, is a member of the Hellenic Osteoporosis Foundation (EL.I.OS.), the Hellenic Society of Orthopedic Surgery and Traumatology (E.E.CH.O.T.), the Hellenic Arthroscopy Society, the Hellenic Society of Anatomy and Surgical Anatomy, is a Full Member of the European Hip Society, a Member of the European Society of Sports Traumatology, Knee Surgery & Arthroscopy (ESSKA), Member of European Knee Associates (EKA), and an Associate Member of ISAKOS (International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine). He serves as Assistant Director and Orthopedic Surgeon at the "METROPOLITAN" Hospital, in the Sports Injuries and Reconstructive Orthopedic Surgery department. He is Assistant Professor at the Medical School of the National and Kapodistrian University of Athens.

Ο Νικόλαος Σαλαμαλίκης είναι Ορθοπεδικός Χειρουργός Σπονδυλικής Στήλης και σκοπεύει στην εξατομικευμένη αντιμετώπιση παθήσεων και παραμορφώσεων της σπονδυλικής στήλης με ατραυματικές τεχνικές, κατέχοντας ήδη μεγάλη σειρά αποσυμπιέσεων σπονδυλικής στήλης με ενδοσκοπική τεχνική. Το 2024 ολοκλήρωσε με επιτυχία, Χειρουργικό Fellowship, με αντικείμενο τη Χειρουργική Σπονδυλικής Στήλης ελάχιστης επεμβατικότητας (Minimal Invasive Spine Surgery), σε αναγνωρισμένη Κλινική Σπονδυλικής Στήλης, από το παγκόσμιο εκπαιδευτικό δίκτυο Ορθοπεδικής (ΑΟ), στο Okayama Rosai Hospital της Ιαπωνίας, υπό τον Καθηγητή Dr. Masato Tanaka. Ο Ιατρός ειδικεύτηκε και εξειδικεύτηκε στην Γερμανία, αποκτώντας τον τίτλο του Ειδικού Χειρουργού Ορθοπεδικού, κατόπιν εξετάσεων, από τον Ιατρικό Σύλλογο του κρατιδίου του Βρανδεμβούργου (2020).Μετά τη λήψη της ειδικότητάς του, διετέλεσε Επιμελητής Α' Ορθοπεδικής και Τραυματιολογίας σε αναγνωρισμένο κέντρο Τραύματος της Γερμανίας (Sana Klinikum Niederlausitz). Μετά από πολυετή εμπειρία σε πρωτοπόρα Ορθοπεδικά Κέντρα και κέντρα Tραύματος της Γερμανίας, ο Ιατρός υπηρέτησε, ως συνεργάτης, στην Κλινική Σκολίωσης και Σπονδυλικής Στήλης του Γενικού Νοσοκομείου "ΚΑΤ" για ένα έτος (2022). Διαθέτει πληθώρα εμπειρίας και εξειδικεύεται στις χειρουργικές τεχνικές ελάχιστης επεμβατικότητας των παθήσεων και παραμορφώσεων της Σπονδυλικής Στήλης, στην ενδοσκοπική αποσυμπίεση των παθήσεων του Σπονδυλικού καναλιού, στις αρθροπλαστικές μεγάλων αρθρώσεων με πρωτόκολλα ταχείας μετεγχειρητικής αποκατάστασης και στην αρθροσκοπική αποκατάσταση αθλητικών κακώσεων. Το 2022, κατόπιν εξετάσεων, έγινε μέλος της Ευρωπαϊκής Εταιρείας Ορθοπεδικών Χειρουργών ( FEBOT). Ο Σαλαμαλίκης Νικόλαος διατηρεί ιδιωτικό Ιατρείο στους Αμπελοκήπους και στο Περιστέρι, ενώ παράλληλα διατελεί Επιμελητής στο 251 Γενικό Νοσοκομείο της Αεροπορίας.Χειρουργεί ιδιωτικά στο Νοσοκομείο Υγεία, στο Νοσοκομείο Ερρίκος Ντυνάν.Είναι απόφοιτος της Στρατιωτικής Σχολής Αξιωματικών Σωμάτων και της Ιατρικής Σχολής του Αριστοτελείου Πανεπιστημίου Θεσσαλονίκης (2009).

Armakolas Nikolaos MD, MSc, PhD is an Orthopedic Surgeon and maintains a private practice in Nea Smyrni. He holds a Doctorate from the Medical School of the National and Kapodistrian University of Athens with a Master’s Degree in "Metabolic Bone Diseases" from the same University. Additionally, he is a Scientific Collaborator at the 3rd Orthopedic Clinic of the General Hospital of Attica KAT, at the "Hygeia" Clinic in Marousi, and at the private clinic "Leto" in Kalamata, while also collaborating with major clinics such as the Iatriko and Mediterraneo Hospital. At his practice, he provides comprehensive information and appropriate treatment tailored to each patient’s needs, following the most modern techniques. Finally, the doctor is a member of the Medical Association of Athens, the Medical Association of the United Kingdom, and the Medical Association of Sweden.

Dimitrakis Nikolaos MD, MSc is an Orthopedic Surgeon and serves as an Assistant Consultant at the General Hospital "Asklipieio" Voula. He maintains a private practice in Glyfada within MEDIONE. He specialized in the Orthopedic Clinic - Sports Injuries Department at the General Hospital "Asklipieio" Voula, as well as at the General Children's Hospital "Agia Sofia" and the General Children's Hospital "P. & A. Kyriakou." As part of his specialty training, he was trained in the Hand - Upper Limb - Microsurgery Department at the Attica General Hospital KAT. He has completed postgraduate studies in "Metabolic Bone Diseases" at the Medical School of the National and Kapodistrian University of Athens, with a thesis on ''Congenital and Neuromuscular Scoliosis.'' He has also undergone further training in preventive screening for spinal deformities in students at the General Hospital of Piraeus "Tzaneio." In his practice, he manages cases spanning the entire spectrum of orthopedics, orthopedic surgery, and pediatric orthopedics, with specialization in traumatology, sports injuries, arthroscopy, and arthroplasty. Furthermore, the doctor has participated in numerous conferences and seminars both in Greece and internationally and is a member of the Hellenic Society of Orthopedic Surgery and Traumatology. Holder of the Diploma of the

Hellenic Spine Society 

Papavasileiou Ioannis is an Orthopedic Surgeon and maintains a private practice in Serres. He holds a degree from the Medical School of Democritus University of Thrace. He specialized for one year in General Surgery at the General Hospital of Chalkidiki. Additionally, he completed a five-year residency in Orthopedics and Traumatology for adults and children at the General Hospital of Xanthi, where he participated in a wide range of orthopedic surgical procedures including reconstructive surgery, trauma, sports injuries, and hand surgery. During his specialty training, he received education in sports injuries at the Sports Injuries Unit of the General Hospital of Thessaloniki "Agios Pavlos" and at the Neurosurgery Clinic of the General Hospital of Thessaloniki "Hippocratio".

Dr. Theodosios Koukoumpis, MD, PhD, is an Orthopedic Surgeon with a private practice in Thessaloniki. His medical education and specialty training were initially completed at the University of Ioannina, followed by further training in the United States. His specialization and primary scientific interest lie in adult reconstructive surgery, with a particular focus on the Hip and Knee. Surgically, he employs modern techniques in Total Hip Arthroplasties for degenerative diseases as well as for complex Congenital Hip Dislocations, and also in Total Knee Arthroplasties. Where indicated for the patient's benefit, he applies minimally invasive surgical approaches (MIS) and selects the ideal implant for each patient, with appropriate planning and the highest quality materials. In Knee Arthroplasties, he utilizes advanced preoperative planning with Computed Tomography to employ patient-specific instruments (PSI). Finally, his scientific work includes hundreds of published papers, presentations, organization of conferences, and chairing of conferences both in Greece and internationally.

Xaralampidis Eustathios is an Orthopedic Surgeon with private practices in Pallini and Nemea. He graduated from the Medical School of the "OVIDIUS" University and specialized in Orthopedic Surgery at the General Hospital of Athens "Evangelismos" and other major hospitals in Athens and Piraeus. Additionally, he is specialized in Hand Surgery and Microsurgery, Pediatric Orthopedics, as well as Orthopedic Oncology. Furthermore, he has extensive experience in conditions such as sports injuries and fractures, having served as a Consultant in the Sports Injuries Clinic at Mediterraneo Hospital in Glyfada, as well as a physician for the football teams PAE Panathinaikos and O.F. Cholargos. To date, he serves as a Consultant in the Orthopedics and Sports Orthopedics Clinic at Metropolitan Hospital. Finally, Dr. Xaralampidis has participated in numerous conferences and educational seminars both in Greece and abroad and is a member of the Hellenic Society of Orthopedic Surgery and Traumatology, the Hellenic Arthroscopic Society, and Osteosynthesis and Trauma Care Hellas.

Lagoudakis Georgios MD, MSc is an Orthopedic Surgeon with a private practice in Chania. He holds a Master's Degree (MSc) specializing in "Metabolic Bone Diseases - Osteoporosis" from the National and Kapodistrian University of Athens and a medical degree from the Medical School of Ioannina. Additionally, after completing his specialization at the largest orthopedic hospital in Athens, the General Attica Hospital KAT, he received a scholarship from the Hellenic Society of Orthopedic Surgery and Traumatology and began his postgraduate training in England alongside world-renowned orthopedic surgeons, focusing on the most advanced arthroscopic surgical techniques. He also received a scholarship from the Stavros Niarchos Foundation for further training at the top orthopedic hospital in America, the HSS-Hospital for Special Surgery, in Manhattan, New York. He is specialized in performing arthroplasties using minimally invasive methods. He has extensive experience in sports injuries, particularly knee injuries such as meniscal and cruciate ligament tears, as well as all shoulder disorders. Furthermore, he handles hand and upper extremity surgery cases and microsurgery, following his extensive training in the microsurgery department of the General Attica Hospital KAT.

Rozis Konstantinos is an Orthopedic Surgeon specializing in Orthopedic Surgery and maintains a private practice in Elefsina. He studied at the Medical School of the University of Patras and obtained his specialty title in Orthopedic Surgery and Traumatology at the General Hospital of Athens "KAT". Additionally, he holds a postgraduate diploma entitled "Metabolic Bone Diseases" from the National and Kapodistrian University of Athens. He has worked in London as a Senior Clinical Fellow in the Shoulder and Elbow Surgery Department, Foot and Ankle Surgery Department at Newham University Hospital, and in the Knee Surgery and Sports Injuries Department at Homerton University Hospital. Beyond significant clinical experience, he also possesses research expertise with numerous scientific publications and presentations in both international and Greek conferences and journals. Lastly, he has teaching experience, providing clinical lectures to medical students at Barts University of Medicine and at the General Hospital of Attica KAT, as well as conducting training courses preparing for specialty examinations EEXOT.

Ο Κωνσταντίνος Μακρής είναι Ορθοπαιδικός Χειρουργός – Τραυματιολόγος – Αθλητίατρος, MD, MSc και διατηρεί ιδιωτικά ιατρεία στην Αθήνα (Κολωνάκι) και στη Θεσσαλονίκη. Είναι συνεργάτης του Νοσοκομείου «ΥΓΕΙΑ», όπου εφαρμόζει σύγχρονες θεραπευτικές μεθόδους με έμφαση στην εξατομικευμένη φροντίδα των ασθενών του. Έχει εκπαιδευτεί σε κορυφαία Πανεπιστημιακά και Νοσοκομειακά Ιδρύματα, αναπτύσσοντας διεθνή εμπειρία στην Ορθοπαιδική Χειρουργική και τις Αθλητικές Κακώσεις. Είναι αριστούχος κάτοχος Μεταπτυχιακού Διπλώματος στην Αθλητιατρική από το Αριστοτέλειο Πανεπιστήμιο Θεσσαλονίκης. Πραγματοποίησε την ειδικότητά του στο Γενικό Πανεπιστημιακό Νοσοκομείο «Παπαγεωργίου», στο Γενικό Νοσοκομείο Καβάλας και στο Γενικό Νοσοκομείο Θεσσαλονίκης «Γ. Γεννηματάς», αποκτώντας σημαντική εμπειρία σε προηγμένες χειρουργικές επεμβάσεις. Εξειδικεύεται στην ολική αρθροπλαστική ισχίου, γόνατος και ώμου, καθώς και στην αρθροσκόπηση αθλητικών κακώσεων, εφαρμόζοντας ελάχιστα επεμβατικές τεχνικές που συμβάλλουν στην ταχύτερη αποκατάσταση των ασθενών. Παρέχει εξατομικευμένη θεραπεία για προβλήματα όπως πόνος στη μέση (οσφυαλγία), αυχεναλγία, τραυματισμούς και παθήσεις των αρθρώσεων. Παρακολουθεί συστηματικά τις τελευταίες εξελίξεις στον χώρο της Ορθοπαιδικής, συμμετέχοντας σε διεθνή σεμινάρια και συνέδρια, με κλινική εμπειρία στο Βερολίνο, Γερμανίας. Ο κ. Μακρής αρθρογραφεί τακτικά σε επιστημονικά περιοδικά και είναι μέλος της Ελληνικής Εταιρείας Αρθροσκόπησης (ΕΑΕ), Χειρουργικής Γόνατος και Αθλητικών Κακώσεων.

Katsougkrakis Ilias is an Orthopedic Surgeon, serving as Deputy Director of the Robotic Orthopedic Surgery and Pediatric Orthopedics Clinic at Metropolitan Hospital. He maintains private practices in Ilioupoli and Sparta, Laconia. After completing his specialty training, he went to the United Kingdom where he completed a postgraduate specialization program, a Fellowship, in Arthroscopic Surgery and Knee and Shoulder Arthroplasty at East Surrey Hospital in Redhill, England. From 2012 to 2017, he worked as an Orthopedic Consultant in Adult and Pediatric Traumatology and Hip, Knee, and Shoulder Arthroplasty at Ealing Hospital in London and East Surrey Hospital in Redhill. He holds a degree from the Medical School of the University of Novi Sad in Serbia and obtained his medical specialty title from the 6th Orthopedic Clinic of the General Hospital "Asklipieio Voulas." After completing his specialty, he worked as the coordinating physician of the Parnassos Ski Center. Finally, he completed a postgraduate program in Health Units Management and Crisis Management at the University of Peloponnese. He maintains private practices in Ilioupoli and Sparta, Laconia.

Alafropatis Ilias is an Orthopedic Surgeon maintaining a private practice in Evosmos, Thessaloniki. He graduated from the Medical School of Aristotle University of Thessaloniki. He began his specialization at the Surgical Clinic of the General Hospital of Lamia, continued at the Orthopedic Clinic of the General Hospital of Kavala, and subsequently was appointed to the 3rd University Orthopedic Clinic of Aristotle University of Thessaloniki at Papageorgiou General Hospital. He obtained the specialist title in Orthopedic Surgery and Traumatology after successful examinations in 2015 and concurrently received the diploma of the Hellenic College of Orthopedic Surgeons. He has been a scientific collaborator of the 3rd University Orthopedic Clinic of Aristotle University of Thessaloniki since obtaining his specialty to the present day. He served as an Orthopedic consultant for the MDA Hellas department operating in the 2nd University Pediatric Clinic of Aristotle University of Thessaloniki, where adults and children with neuromuscular disorders are treated. Throughout his scientific career, he has participated in numerous conferences, seminars, and educational events, contributed to the authorship of various scientific papers in Greek and international scientific journals, authored a book published by an international publisher of scientific monographs, and has been involved in the education of medical students at the Medical School of Aristotle University of Thessaloniki. Finally, the physician has been trained in a broad spectrum of orthopedic surgeries encompassing both trauma surgery and reconstructive orthopedic surgery, with particular interest in upper limb and hand pathologies, and has established collaborations with all private clinics in Thessaloniki.

Papaioannou K Ioannis is an Orthopedic Surgeon with a private practice in Thessaloniki. He specialized at the 1st Orthopedic Clinic of the Aristotle University of Thessaloniki at the General Hospital of Thessaloniki "G. Papanikolaou". He holds a degree from the Faculty of Medicine at Masaryk University in Brno, Czech Republic. He is specialized in hip and knee surgery, sports injuries, spinal disorders, and trauma. He trained in General Surgery at the 2nd Surgical Clinic of the 424 General Military Training Hospital and to this day serves as an Associate Physician at the Euromedica Cyan Cross Clinic. The doctor provides specialized services in hip and knee surgery (arthroplasty, sports injuries), management of spinal disorders, treatment of kyphosis/scoliosis, hand surgery, and traumatology.

Topkas Athanasios MD, MSc is an Orthopedic Surgeon - Sports Medicine Specialist, affiliated with the Orthopedic Clinic of "Hygeia" Hospital, and maintains a private practice in Marousi. He graduated with honors from the Medical School of Varna University and holds a Master's degree in Metabolic Bone Diseases from the National and Kapodistrian University of Athens. He began his specialization in Orthopedic Surgery - Traumatology at the General Prefectural Hospital of Edessa and continued his training at the 1st IKA Hospital of Athens and the General Attica Hospital KAT. He worked as a Registrar B at the Sports Injuries Department of the General Attica Hospital KAT and subsequently as a Registrar B in the 2nd Hand Surgery and Microsurgery Department of the same hospital. During his specialization and tenure, he specialized in all surgeries related to the upper limb and the hand. Additionally, he specialized in Sports Medicine, with a particular emphasis on knee arthroscopy and anterior cruciate ligament reconstruction (ligament injuries of the knee). To date, Dr. Topkas remains a Scientific Collaborator of numerous private hospitals and groups such as Hygeia Hospital, the Biomed Group, the Athens and Piraeus Bioclinic, the Euromedica Group, the Errikos Dynan Hospital Center, the Mediterraneo Hospital, the Athenian Clinic, and the Athens Medical Group. Throughout his medical career, he has actively participated in the development of numerous studies, which have been presented at Greek and international conferences, and has contributed to the authorship of publications. He has participated in numerous postgraduate training programs and workshops and has served on organizing committees for various conferences. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Reconstructive Microsurgery, the Hellenic Society for Hand Surgery, and the Hellenic Society for Wound and Ulcer Healing.