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Konstantinos Tosios

Assistant Professor

Phone: (+30) 210-746-1003
Email: ktosios[at]dent.uoa[dot]gr

Mailing Address:
2 Thivon Str, 115 27, Goudi, Athens, Greece

Ελληνική Έκδοση English Version

Education/Qualifications

  • 1988: DDS, Dental School University of Athens
  • 1996: PhD, Dental School, University of Athens

Academic and professional positions held

  • 1998-1999, 2000-2001: Adjunct Lecturer, Department of Oral Pathology, Dental School, University of Athens
  • 2002-2006: Lecturer, Department of Basic Sciences, Dental School, University of Athens
  • 2006-2008: Lecturer, Department of Oral Pathology, Dental School, University of Athens
  • 2008-present: Assistant Professor, Department of Oral Pathology, Dental School, University of Athens

Academic and professional responsibilities

  • Teaching of Oral Histology and Embryology (seminars and laboratory exercises), Graduate Program, 2nd semester, Dental School, University of Athens
  • Teaching of Stomatology (seminars and laboratory exercises), Graduate Program, 7th-8th semesters, Dental School, University of Athens
  • Teaching of Stomatology (seminars and clinical practice), Graduate Program, 9th-10th semesters, Dental School, University of Athens
  • Teaching in various courses (Basic Oral Pathology I and II, Principles of Pathology, Principles of Oral Surgery, Diagnostic Oral Histopathology, Advanced Histopathology of Oral Diseases, etc), Postgraduate Program, Dental School, University of Athens
  • Supervisor in eleven M.Sc. theses (9 completed, 2 active) and one PhD thesis (completed), member in seven three-members advisory committees of PhD theses (3 completed, 4 active), Postgraduate Program, Dental School, University of Athens
  • Elected member of the General Assembly (2006-7 and 2011-12), ad hoc member of the committees for the Library (2005-6) and the Curriculum (2008-9), ad hoc member of the committee for the selection of postgraduate students in the Department of Oral Pathology, Dental School, University of Athens
  • Member of the Organizing Committees of five Hellenic and one International scientific meeting (11th Biennial Congress of the European Association of Oral Medicine, 2012).
  • Member of the Board of Executives of the Stomatology Society of Greece (2007) and the Hellenic Society of Oral Medicine and Pathology (2001-2012)

Research Grants and Contracts

  • Immunohistochemical study of calcifying odontogenic cyst (Gorlin’s cyst) and calcifying epithelial odontogenic tumor (Pindborg’s tumor), Financed by the Special Account for Research Grants of the University of Athens (completed)
  • Histologic and immunohistochemical study of dental pulp in diabetic rats, Financed by the Special Account for Research Grants of the University of Athens (completed)

Awards and Honours

  • 2006: Robert Frank 2nd Award, International Association of Dental Research Pan European Federation 2006, Dublin, Ireland
  • 2007: Poster Prize, International Symposium of Osteology, Monaco
  • 2009: Wladimir Adlivankine research prize, 14th Biennial Congress of the European Society of Endodontology, Edinburgh, Scotland
  • 2012: Oral Presentation 2nd position, Roots Summit 2012, Iguazu Falls, Brazil

Memberships

  • American Academy of Oral and Maxillofacial Pathology
  • European Association of Oral Medicine
  • Hellenic Society of Oral Medicine and Pathology (founding member)
  • Hellenic Society of Odontostomatological Research
  • Stomatology Society of Greece

Research Theses - Books

  • Immunohistochemical study of basement membrane components in hyperplastic and neoplastic lesions of the oral epithelium. PhD Thesis, Athens, 1996
  • Basic laboratory and techniques in oral histology and histopathology. K. Tosios, E. Crhrysomali, St. Papanicolaou. Benchbook, Athens, 1998, 2001.

Selected publications in scientific journals

  • Tosios KI, Economou I, Vasilopoulos NN, Koutlas IG. Elastofibromatous Changes and Hyperelastosis of the Oral Mucosa. Head and Neck Pathol 2010, 4(1): 31-6.
  • Houpis CH, Tosios KI, Papavasileiou D, Christopoulos PG, Koutlas IG, Sklavounou A, Alexandridis C. Parathyroid hormone-related peptide (PTHrP), parathyroid hormone/parathyroid hormone-related peptide receptor 1 (PTHR1), and MSX1 protein are expressed in central and peripheral giant cell granulomas of the jaws. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2010, 109(3): 415-2.
  • Tosios KI, Nikolakis M, Prigkos A, Diamanti S, Sklavounou A. Nerve cell bodies and small ganglia in the connective tissue stroma of human submandibular glands. Neuroscience Letters 2010, 475(1): 53–5.
  • Fanourakis G, Lazaris AC, Krithinakis S, Tosios KI, Sklavounou A, Tseleni-Balafouta S. Expression of receptor activator of NF- B ligand and osteoprotegerin in peripheral giant cell granulomas of the jaws. Brief report. J Oral Pathol Med 2010, 39(9): 687-9.
  • Tosios KI, Koutlas IG, Kyriakopoulos VF, Balta M, Theologie-Lygidakis N, Vardas E, Iatrou I. Time to abandon the term angiomyolipoma for non-PEComatous angiomyomatous (or angiomatous) oral tumors with adipocytes. Oral Surg Oral Med Oral Pathol Oral Radiol Endod 2010 110(4): 492-7.
  • Meliou E, Kerezoudis N, Tosios K, Lafkas D, Kiaris H. Immunohistochemical expression of Notch signaling in the lining epithelium of periapical cysts. J Endodont 2011;37(2): 176–180
  • Vassilopoulos SI, Tosios KI, Panis VG, Vrotsos JA: Endothelial cells of oral pyogenic granulomas express eNOS and CD105/endoglin: an immunohistochemical study. J Oral Pathol Med 2011, 40(4): 345-51.
  • Tosios KI, Prountzos N, Katsoulas N, Koutlas IG, Sklavounou-Andrikopoulou A. Melan-A/Mart-1- or HMB-45-positive melanocytes are not present in calcifying cystic odontogenic tumors (calcifying odontogenic cysts): a study in 13 Caucasian patients. J Oral Sci 2012, 54(1): 33-8.
  • Piperi E, Tosios KI, Nikitakis NG, Kyriakopoulos VF, Tzerbos F, Koutlas IG, Sklavounou A. Well-Differentiated Liposarcoma/Atypical Lipomatous Tumor of the Oral Cavity: Report of Three Cases and Review of the Literature. Head Neck Pathol. 2012 Jan 11. [Epub ahead of print]
  • Karathanasi V, Tosios KI, Nikitakis NG, Piperi E, Koutlas I, Trimis G, Sklavounou A. TGF-β1, Smad-2/-3, Smad-1/-5/-8, and Smad-4 signaling factors are expressed in ameloblastomas, adenomatoid odontogenic tumors, and calcifying cystic odontogenic tumors: an immunohistochemical study. J Oral Pathol Med. 2012 [Epub ahead of print]

Areas of scientific interest

  • Odontogenic cysts and tumors
  • Salivary gland tumors
  • Oral cancer and precancer
  • Soft tissue tumors

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