Orthopaedic - Orthopaedic Surgeons for Spondylolysis in Attica

Pentazos Panagiotis - Nektarios is an Orthopedic Surgeon who maintains a private practice in Kolonaki. He graduated from the Medical School of the University of Timișoara in Romania and specialized in Pediatric Orthopedics at the General Children’s Hospital "Panagiotis & Aglaia Kyriakou" and in Vascular Surgery at the General Hospital of Athens "G. Gennimatas." Additionally, he specialized in Plastic Surgery at the Attica General Hospital KAT, Orthopedics at the General Hospital "Asklipieio" Voula, and General Surgery at the General Hospital of Pyrgos "Andreas Papandreou." Since 2018, Dr. Pentazos has been a Scientific Collaborator at the Osteoporosis Clinic of the General Hospital "Asklipieio" Voula. Finally, he is a member of the Athens Medical Association, the Hellenic Society of Orthopedic Surgery and Traumatology, and the Hellenic Osteoporosis Foundation.

Karmali Aikaterini is an Orthopedic Surgeon and maintains a private practice in Ilion. She graduated from the Medical School of Aristotle University of Thessaloniki. She specialized in the Orthopedic department of the General Children's Hospital of Athens "P. & A. Kyriakou," the 3rd Orthopedic department of the Attica General Hospital KAT, and the Orthopedic department of the Anti-Cancer - Oncology Hospital of Athens "Agios Savvas." Additionally, she served as a physician at IKA in Ilion, and at her private practice, she offers a wide range of services, tailored to the individual needs of each patient.

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.

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

Dionysios Xionis, an orthopedic surgeon, is an associate of the Athens Medical Center and specializes in the full spectrum of orthopedic medicine. In his orthopedic clinic, every patient, regardless of age, can receive information on the prevention and rehabilitation of orthopedic conditions. As an orthopedic surgeon, Dionysios Xionis provides a range of services at his clinic, including fracture monitoring, kyphosis, spondylolysis-spondylolisthesis, scoliosis, osteoporosis screening, and intra-articular hyaluronic acid injections for knees and shoulders. Additionally, the physician offers high-quality services for arthroscopic procedures such as anterior cruciate ligament (ACL) arthroscopy, meniscus repair, and chondropathy treatment. Finally, through continuous education, he focuses on the management of spinal disorders, including low back pain and cervical syndrome.

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.

Dr. Tsapakidis Giannis was born in Larisa in 1975 and graduated from the Medical School of Aristotle University of Thessaloniki in 2000. He completed his Orthopedic specialty residency at Tzaneio General Hospital of Piraeus, with part of his training conducted at KAT Hospital and Charing Cross Hospital in London. He received a scholarship from AO and worked as a Fellow at the Sports Injuries and Trauma Center of Queens Medical Centre University Hospital in Nottingham. He is a PhD candidate at the University of Athens and a member of AO ALUMNI. Since 2006, he has served as the team physician for the women's basketball team “ESPERIDES” Kallithea (Women’s A1 Basketball Champion for 2006-07 and 2008-09 and Greek Cup Winner for 2005-06, 2006-07, 2007-08, and 2008-09). From 2015 to 2018, he was part of the medical team covering orthopedic concerns for the athletes of KAE AEK. Since 2013, he has provided medical coverage for the basketball team PROTEAS VOULAS and from 2015 to 2025 served as the medical provider for the athletes of the basketball team KAE AMAROUSIOU. From 2021 to 2023, he was the team physician for the WOMEN'S NATIONAL BASKETBALL TEAM, and from 2022 to 2024 for the team of PANIONIOS B.C. Previously, he was part of the medical team covering orthopedic needs of the athletes of KAE PANELLINIOS from 2008 to 2011 and the Cultural and Sports Center “DAIS.” Subsequently, from 2018 to 2022, he provided medical coverage to the athletes of MELLISION and since 2018 to the athletes of ESPEROS B.C. Finally, starting this year, he has been the medical provider for the amateur club PANATHINAIKOS A.O. He has attended specialized seminars/workshops in Traumatology, Microsurgery, and Arthroscopic Surgery both in Greece and abroad. He has participated with publications/presentations in Greek and International scientific conferences and journals.

Ο Χρηστογεώργος Πάρις, MD, MSc είναι Ορθοπαιδικός Χειρουργός και Τραυματολόγος με εξειδίκευση στις παθήσεις και τη Χειρουργική της Σπονδυλικής Στήλης. Ο ιατρός είναι απόφοιτος της Ιατρικής Σχολής του Πανεπιστημίου Κρήτης και κάτοχος Μεταπτυχιακού Διπλώματος (Master of Science, MSc) στην «Άθληση και Υγεία» με βαθμό Άριστα από την Ιατρική Σχολή Αθηνών του Εθνικού και Καποδιστριακού Πανεπιστημίου Αθηνών. Εκπλήρωσε την ειδίκευσή του στη Γενική Χειρουργική στο 251 Γενικό Νοσοκομείο Αεροπορίας (2014-2015). Ξεκίνησε και ολοκλήρωσε την ειδίκευσή του στην Ορθοπαιδική Χειρουργική και Τραυματολογία στο Γενικό Νοσοκομείο Αθηνών «Γ. Γεννηματάς» (2016-2021), όπου απέκτησε ιδιαίτερη εμπειρία στη διάγνωση και χειρουργική αντιμετώπιση σύνθετων καταγμάτων, κακώσεων, χρόνιων εκφυλιστικών παθήσεων και παραμορφώσεων του άνω και του κάτω άκρου . Στο πλαίσιο της ειδικότητας, εκπαιδεύτηκε στο Τμήμα Σκολίωσης και Σπονδυλικής Στήλης του Γ.Ν.Α. «ΚΑΤ» (2019-2020), όπου απέκτησε εμπειρία στην ολοκληρωμένη αντιμετώπιση όλου του φάσματος των παθήσεων, σύνθετων παραμορφώσεων και κακώσεων της Σπονδυλικής Στήλης. Ακόμα, εκπαιδεύτηκε στην Παιδο-ορθοπαιδική στο Νοσοκομείο Παίδων «η Αγία Σοφία» (2020-2021), όπου ήρθε σε επαφή με μεγάλο όγκο κακώσεων και παραμορφώσεων του παιδιατρικού πληθυσμού. Ο ιατρός εκπαιδεύτηκε ως Fellow στο Centre for Spinal Studies and Surgery του Queen’s Medical Centre, Nottingham University Hospitals στο Nottingham του Ηνωμένου Βασιλείου (2023), το οποίο αποτελεί διεθνώς αναγνωρισμένο Κέντρο Αριστείας κι Αναφοράς για τις παθήσεις, παραμορφώσεις και κακώσεις της Σπονδυλικής Στήλης στο Ηνωμένο Βασίλειο, καθώς και Κέντρο Εκπαίδευσης της AO Spine. Σήμερα, ο ιατρός εργάζεται ως Επιμελητής Ορθοπαιδικός- Χειρουργός Σπονδυλικής Στήλης στην Κλινική Σπονδυλικής Στήλης, Κέντρο Σκολίωσης, Τραύματος και Ογκολογίας Σπονδυλικής Στήλης του Νοσοκομείου Metropolitan General στην Αθήνα. Είναι διδάσκων του σεμιναρίου «Πρώτες βοήθειες- ορθοπαιδικά επείγοντα» για προπτυχιακούς και μεταπτυχιακούς φοιτητές της Ιατρικής Σχολής Αθηνών, ΕΚΠΑ από το 2019 έως σήμερα και ομιλεί άπταιστα Αγγλικά και Γερμανικά. Συμμετέχει ενεργά σε εγχώρια και διεθνή συνέδρια καθώς και επιμορφωτικά σεμινάρια και παράγει ερευνητικό έργο. Τέλος, είναι μέλος της Ελληνικής Εταιρίας Χειρουργικής Ορθοπαιδικής και Τραυματολογίας (Ε.Ε.Χ.Ο.Τ.) καθώς και του Ιατρικού Συλλόγου της Μεγάλης Βρετανίας (G.M.C.).

Samdanis Vasileios is an Orthopedic Surgeon with private practices in Agia Paraskevi and Koropi. He holds a PhD from the Medical School of the National and Kapodistrian University of Athens and is specialized in upper limb surgery (shoulder-elbow-wrist-hand) at one of the largest purely orthopedic centers in the United Kingdom. Additionally, he is an attending physician at the 5th Orthopedic Clinic of "Hygeia" Hospital. He holds a postgraduate degree in metabolic bone diseases - osteoporosis from the National and Kapodistrian University of Athens and a medical degree from Aristotle University of Thessaloniki. He has served as a Scientific Collaborator at the 2nd University Orthopedic Clinic of Aristotle University of Thessaloniki. He has an extensive research portfolio, with numerous lectures and presentations at Greek and international medical conferences, as well as publications in scientific journals. Furthermore, he has a rich teaching record spanning several years in the postgraduate program "Metabolic Bone Diseases" at the Medical School of Athens. Finally, he is a member of Greek and international medical associations and scientific societies.

Masount Mamoun is an Orthopedic Surgeon with private practices in Ambelokipi (Gkyzi area) and Nafplio (Head of the Orthopedic Department at IASIS Polyclinic - Argolida).

He is a graduate of the Medical School of Aristotle University of Thessaloniki and holds a postgraduate diploma in metabolic bone diseases from the National and Kapodistrian University of Athens.

He has obtained a specialty title in Orthopedic Surgery and Traumatology from the 3rd University Orthopedic Clinic of the General Hospital of Attica KAT. He is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and surgery of major joints, as well as in osteoporosis, osteoarthritis, and fracture healing.

In his private clinic, he manages conditions across the entire spectrum of orthopedics, with a special interest and experience in pediatric orthopedics.

Additionally, he serves as a Scientific Collaborator and surgeon at Metropolitan Hospital, Medical Center Athens Group, and Hospitality Clinic Athens.

Finally, through his participation in numerous seminars, workshops, and conferences, he continually updates himself on advancements in his field to provide specialized services tailored to his patients' individual needs. He is also a member of the Hellenic Society of Orthopedic Surgery and Traumatology and the Hellenic Osteoporosis Foundation.

Lallos Stergios MD, MSc is an Orthopedic Surgeon maintaining a private practice in Agia Paraskevi and also sees patients at the Metropolitan General. He holds a master's degree (MSc) in Metabolic Bone Diseases - Osteoporosis and a Medical Degree from the Medical School of the National and Kapodistrian University of Athens. He completed his specialty in Orthopedics and holds ATLS (Advanced Trauma Life Support) certification as well as a Basic Life Support diploma. Additionally, he is specialized in arthroplasty, arthroscopy, traumatology, sports injuries, and major joint surgery, areas he focused on after completing his specialty and subsequently upon selection by the Medical School of Athens, where he served as a University Fellow of the 2nd Orthopedic Clinic of the University of Athens. He then moved to Switzerland, where he worked as a Consultant in the Orthopedic Clinic of Salem Spital in Bern, covering the full spectrum of joint pathology and surgery. It is noteworthy that during his career, he served as a Scientific Associate at the "Errikos Dynan" Hospital Center and the Medical Diavalkaniko Center. Finally, Dr. Lallos is a member of numerous professional associations and has extensive participation in conferences, seminars, presentations, and publications.

Ioannis Masiotis is an Orthopedic Surgeon with private practices in Agia Paraskevi and Cholargos. He holds a doctoral dissertation on the "Effect of anticoagulant factors on fracture healing," conducted in collaboration with the 4th University Clinic of the General Hospital of Attica KAT at the National Technical University of Athens. He has undergone advanced training in metabolic bone diseases and minimally invasive total hip arthroplasty techniques. Utilizing modern surgical methods (Minimally Invasive Surgery), he ensures minimal pain and rapid recovery in the management of sports injuries (meniscal tears, cruciate ligament tears, chondral lesions – cartilage transplantation, chondropathy, tendon ruptures, shoulder dislocation), knee, shoulder, ankle, and hip arthroscopies, knee and hip arthroplasty (Path and SuperPath techniques), fractures, hand disorders (carpal tunnel syndrome, ulnar neuropathy, trigger finger, tendinitis, etc.), foot conditions, and osteoporosis. Furthermore, Dr. Masiotis has authored numerous pioneering studies and publications presented at national and international conferences and is a member of the European Society of Sports Traumatology, Knee Surgery and Arthroscopy.

Dimitrios Kampras is an Orthopedic Surgeon with a private practice in Melissia. He is a PhD candidate at the Medical School of the National and Kapodistrian University of Athens and has specialized in Orthopedic Surgery at the 1st Orthopedic Department of the General Children’s Hospital "P. & A. Kyriakou" and at the corresponding department of the Attica General Hospital KAT. He also holds a postgraduate diploma in "Metabolic Bone Diseases - Osteoporosis" from the Medical School of the National and Kapodistrian University of Athens. Alongside his private practice, he serves as Deputy Director of the Orthopedic Department at "Euroclinic Children’s Hospital" and collaborates with "Errikos Dynan" Hospital Center and the Athens Medical Center. Throughout his professional career, he has gained valuable experience and knowledge, and today, in his private practice, he offers specialized services covering the entire spectrum of orthopedic cases. Finally, he has particular expertise in sports injuries, pediatric orthopedics, and reconstructive surgery of major joints, namely the hip and knee.

Daras Xristos is an Orthopedic Surgeon and Sports Medicine Specialist who operates a private practice in Kolonaki and simultaneously serves as the Director of the Orthopedic Clinic at the Medical Center of Palaio Faliro. He graduated from the Medical School of the University of Athens and holds a PhD from the Medical School of the University of Rome. Additionally, he specialized in Orthopedics and Sports Medicine at the General State Hospital of Nikaia and the General Hospital of Athens "KAT." He has extensive experience and has served as a physician for football and basketball teams in the Greek first division, as well as for the national swimming and water polo teams. Specifically, he has been the Sports Medicine Specialist for the football clubs Olympiacos FC, Panionios, and Ionikos. Finally, he specializes in sports injuries.

Roussis Ksenofon MD, PhD is an Orthopedic Surgeon and Sports Medicine Specialist with a private practice in Agia Paraskevi. He holds a medical degree from the School of Medicine and Surgery at the University of Bologna in Italy and completed his doctoral thesis in Sports Medicine. He specialized in Orthopedic Surgery at the General Hospital of Attica KAT and at the 1st IKA Therapeutic Center (Papadimitriou). Additionally, his expertise in both conservative and surgical treatment of sports injuries, particularly those concerning the knee, along with extensive professional experience in recognized hospitals and sports clubs, enables him to manage a wide range of cases. Specifically, he possesses valuable professional experience as a Sports Medicine Physician for numerous football teams and as a Lecturer at football coaching schools, teaching Sports Medicine, Anatomy, and Dietetics. Furthermore, it is noteworthy that he served as an official physician at the Athens and South Korea Olympic Games, as well as the Pre-Olympic Games in Australia. Finally, Dr. Roussis is the President of the Sports Medicine Association of Sports Physicians, a member of the Hellenic Sports Medicine Society, and the European Federation of Sports Medicine Associations, actively participating in conferences held both in Greece and abroad.

Dr. Diakatos Andreas is an Orthopedic Surgeon who maintains a private practice in Ilioupoli. He was born in Athens. He began his specialty training in Orthopedic Surgery and Traumatology at the Asklipiio Voulas Hospital. For two years, he trained in Microsurgery at KAT Hospital and for one year in Pediatric Orthopedics at the same hospital. In 2014, he obtained the Orthopedic Surgery and Traumatology specialty certification and has been practicing privately since then. He is currently affiliated with Hygeia Hospital, where a significant number of robotic surgeries are performed, a cutting-edge technology in knee and hip arthroplasty within this specialty. Finally, it would be remiss not to mention his training in Bologna, Italy, under Professor Maurilio Marcacci, as well as in Leeds, United Kingdom.

Tsimplakis Mixalis is an Orthopedic Surgeon - Sports Medicine Specialist, Deputy Director of the 8th Orthopedic Clinic at Metropolitan General, and maintains a private practice in Nea Smyrni. He is a graduate of the Medical School of the National and Kapodistrian University of Athens and has received advanced training in Shoulder Arthroscopic Surgery at the 401 General Military Hospital of Athens. He has particular expertise in knee arthroplasty, meniscal arthroscopy, chondropathy arthroscopy, shoulder arthroscopy, osteoporosis management, as well as monitoring kyphosis, scoliosis, and fractures. Additionally, he collaborates with the Medical Center of Palaio Faliro, BioClinic of Piraeus, and Doctors Hospital. Finally, the physician has contributed to scientific publications both in Greece and internationally.

Paulidis Ioannis is an Orthopedic Surgeon who maintains a private practice in Acharnes. He deals with the entire spectrum of orthopedic cases and sports injuries, specializing in Arthroscopic and Open Surgery of the Shoulder and Knee, Microsurgery of the Upper Limb, and Hand Surgery, as well as their revisions. To date, he has performed a very large number of surgeries and stays continuously updated on the latest developments in surgical techniques as well as all scientific publications worldwide in his field. His scientific papers have been published at the Panhellenic Congresses of the Hellenic Society of Arthroscopy, Knee Surgery and Sports Injuries, at the Panhellenic Congresses of Orthopedic Surgery and Traumatology, at Pan-European Shoulder and Elbow Congresses, and at many other medical conferences in which he regularly participates as part of his ongoing education and training.