Skarleas Christos

Skarleas Christos Radiation Oncologist

Associate Director, Gamma Knife Department and Radiation Oncology Centre HYGEIA

Education & Academic Qualifications

  • National & Kapodistrian University of Athens, School of Medicine – MD, 1995
  • Radiation Oncology fellow, Areteion Hospital, 2001
  • Medical specialization to Radiosurgery of Brain, Gamma Knife, University of Pittsburgh Medical Center, UPMC, USA, 2008


Doctoral thesis

  • Under preparation of PhD : “Clinical Evaluation of intravenous use of Disodium Pamidronate (AREDIA) in combination with Radiotherapy for bone metastases». School of Medicine, National & Kapodistrian University of Athens, Greece 

Fellowship in Societies, Membership in Journal Editorial Committees

  • European Society of Therapeutic Radiation Oncology (ESTRO) (member)

  • American Society of Clinical Oncology (ASCO) (member)

  • European Society for Palliative Care (ESPC) (member)

  • International Society of Radiosurgery (ISRS) (member)

  • Hellenic Society for Fertility Preservation (HSFP) (founding member)

  • Greek Society of Head and Neck Oncology (member)

  • Medical Association of Piraeus (member)

  • Greek Society of Radiation Oncology (member)

  • Greek Society of Digestive Oncology (member)

  • Greek Society of Palliative Care (member)

  • Greek Society of Supportive Care Orally to Cancer Patients (founding member)


Work Experience

  • Associate Director Gamma Knife Department, Hygeia Hospital, Athens, Greece, December 2014

  • Radiosurgeon: Stereotactic Radiosurgery & Stereotactic Radiotherapy, Hygeia Hospital, Athens, Greece, November 2007

  • Radiation Oncologist, Euromedica, Athens, Greece, May 2003

  • Radiation Oncologist: Gamma Knife Department & Radiation Oncology Center, Hygeia Hospital, Athens, Greece, November 2001

  • Radiation Oncology Fellow, Aretaieio Hospital, Athens, Greece, October 1996-December 2000 

  • Social Contribution Program of Armed Forces, March 1995 – September 1996

Teaching Experience:

He has taught in many teaching seminars for medical students, oncology trainees and medical – nursing staff.

  • Speech on: Radiotherapy Prostate Cancer. Radiology Athens University Laboratory. June 2000

  • Speech on: Inflammatory and neoplasmatic diseases of the colon. –Radiotherapy of rectal cancer. December 2005

  • Speech on: Breast Cancer – Radiotherapy after Mastectomy. Training workshop for specialists Radiation Oncology. May 2006

  • Speech on: G-Knife in brain metastasis. 4th Seminar for the treatment of lung cancer. May 2007

  • Speech on: Newer data radiotherapy in the treatment of malignant tumors. Advanced courses of surgical department. Asklipiion Voulas, Greece. February 2011


Clinical & Research Interest

Clinical Interest:

  • Radiation Therapy 6- 18 MV X-rays 

  • 3D, IMRT, VMAT, IGRT, Adapted Radiotherapy (CBCT, EPID) 

  • Stereotactic Radiotherapy (brain & body) SRT-SBRT

  • Radiosurgery SRS

  • Gamma knife brain radiosurgery 

  • Radiotherapy with 6, 9, 12, 15 or 18 MeV electron beams 

  • Brachytherapy HDR Afterloading (Micro Selectron) 

  • Radiochemotherapy 

  • Oncological evaluation 

  • Clinical Examination 

  • Oncology council – Tumor Board

Research Interest:

  • Brain tumors

  • Head & Neck tumors

  • Gynaecological cancer

  • Ιmage (CBCT-EPID) – Computer Guided 3D – IMRT Radiotherapy –Temodal 

  • Stereotactic Radiotherapy SRT-SBRT

  • Stereotactic Radiosurgery SRS

  • Stereotactic Radiosurgery Meningiomas and Acoustic Neuromas with Gamma Knife

  • Brain Radiosurgery. Combined Stereotactic Radiotherapy and Gamma Knife to brain metastasis

  • Study of the role of PET/CT in Radiotherapy Planning of Lymphoma 

  • Mosaiq Network Communications and Quality Assurance


Honors & Awards

  • Award of distinction from the Greek Army for my services as a doctor in the Social Contribution Program of Armed Forces. September 1996


  • Author of the chapter: The Role of PET/CT in Radiotherapy Planning of Lymphoma at “Imaging of lymphomas with FDG PET/CT” Atlas, Springer books.

Recent Publications

  • Hypofractionated irradiation for gliomas with 45.5Gy in 13 fractions: a retrospective study. Kouloulias V1, Zygogianni A, Kouvaris J, Platoni K, Georgakopoulos J, Boviatsis E, Beli I, Tolia M, Antypas C, Karaiskos P, Scarleas C, Asimakopoulos C, Pantelakos P, Kelekis N., J Neurosurg Sci. 2015 Dec;59(4):447-53.

  • Management of brain metastasis in a patient with advanced epithelial ovarian carcinoma by gamma-knife radiosurgery. Nikolaou m., Stamenkovic S.,Stergiou C., Skarleas C., Torrens M., Srp Arh Celok Lek. 2015 Mar-Apr;143(3-4):205-9.

  • Investigating the clinical aspects of using CT vs CT-MRI images during organ delineation and treatment planning in prostate cancer radiotherapy. Tzikas A., Karaiskos P., Papanikolaou N., Sandilos P., Koutsouveli E., Lavdas E., Skarleas C., Dardoufas K., Lind BK., Mavroidis P. Technol Cancer Res Treat., 10, 231-42 (2011). 

  • Herpes simplex virus-1 (HSV-1) infection in radiation-induced oral mucositis. Nicolatou-Galitis O, Athanassiadou P, Kouloulias V, Sotiropoulou-Lontou A, Dardoufas K, Polychronopoulou A, Gonidi M, Kyprianou K, Kolitsi G, Skarleas C, Pissakas G, Papanikolaou IS, Kouvaris J. Support Care Cancer. 2006 Jul:14(7):753-62. Epub 2006 Jan 10.

  • Effect of fluconazole antifungal prophylaxis on oral mucositis in head and neck cancer patients receiving radiotherapy. O .Nicolatou -Galitis, A. Velegraki, A. Sotiropoulou – Lontou, K. Dardoufas, V.Kouloulias, K. Kyprianou, G. Kolitsi, C. Skarleas, G. Pissakas, VS. Papanicolaou, J. Kouvaris. Supportive Care Cancer. 2006 Jan:14(1):44-51. Epub 2005 Jun 10. 

  • Response to radiotherapy in brain metastasis and survival of patients with non-small cell lung cancer. D. Antoniou, K. Kyprianou, G. Stathopoulos, C. Skarleas, G. Kolitsi, M. Veslemes, J. Dimitroulis, P. Giamboudakis, K. Marosis, O. Armenaki, C. Papageorgiou, C. Katis. Oncology Rep. 2005 Sep:14(3):733-6.

  • The use of tolouidine blue as a diagnostic aid in the follow – up of patients treated with radiotherapy for oral carcinoma. K. Dardoufas, O. Nicolatou – Galitis, G. Kolitsi, K. Kyprianou, G. Pissakas, C. Skarleas, P. Mavroidi, G. Nikolatos, V. Papanicolaou, A. Sotiropoulou – Lontou. Radiotherapy & Oncology, September 2002, VOL.64 (Suppl 1).

  • Life expectancy-quality of life after palliative radiotherapy for patients with brain metastases. C. Kyprianou, C. Skarleas, G. Kolitsi, E. Morianou, B. Taranto, S. Kosmidou, G. Stathopoulos, G. Manolakis, S. Rigatos. Radiotherapy & Oncology, September 2002, VOL.64 (Suppl 1).

  • A Phase II study evaluating the efficacy and safety of Temozolamide (tmz) post and concurrently with radiotherapy (RT) in the treatment of patients with previously untreated high grade gliomas. A.Miliadou, C.Dardoufas, I.Kouvaris, M.Balafouta, C.Skarleas, I.Kokakis, P.Mauroidi, S.Vosdoganis, D.Pandoleon, L.Vlachos. European Journal of Cancer (EJC), October 2001, VOL.37 (Suppl.6)

  • A Phase II study evaluating the efficacy and safety of Temozolamide Post-Radiation in the Treatment of patients with previously untreated high grade Gliomas. A.Miliadou, C.Dardoufas, I.Kouvaris, M.Balafouta, V.Kouloulias, C.Skarleas, I.Kokakis, P.Mauroidi, K.Mistakidou, L.Vlachos. Neuro-Oncology, July 2000, VOL.2 (Suppl.1)