Faculty of Dental Sciences

University of Peradeniya

Faculty of Dental Sciences

University of Peradeniya

Prof PR Jayasooriya

Professor in Oral Pathology

Official Address :

Department of Oral Pathology
Faculty of Dental Sciences,
University of Peradeniya,
Sri Lanka

Email :


Telephone :


Personal Website :

Information on Research & Innovations

  • Tilakaratne WM, Jayasooriya PR, Jayasuriya NS, De Silva RK. Oral epithelial dysplasia: Causes, quantification, prognosis, and management challenges. Periodontol 2000. 2019 Jun;80(1):126-147. doi: 10.1111/prd.12259. Review.
  • Nimna H. Senarath, Primali R. Jayasooriya, BSMS. Siriwardena, Himal N. Kumarage, Saminda Wadusinghearachchi, Pemith Liyanage, Sulochana Wijetunge, Roshitha Waduge, Palitha Rathnayake, W M. Tilakaratne. Inter-examiner Variability in grading of oral epithelial dysplasia may cause suboptimal management of oral potentially malignant disorders. Journal of Dentistry Indonesia 2019, Vol. 26 (1) doi: 10.14693/jdi.v26i1.1317.
  • Nutalapathi R, Medawela RMSHB, Attygalla AM, Jayasooriya PR. Bronchogenic cyst of the neck occurring as a submandibular swelling in an adult: a case report based on a rare presentation. Ceylon Journal of Science 2019: 48 (2)
  • K Nakandala, A Suraweera, P Jayasooriya, Correlation of elevated mast cell and micro-vessel densities with lymph node metastasis in oral squamous cell carcinoma, Stomatological disease and science, 2018;2:4
  • Herath CK, Perera PR, Jayasooriya PR. The sociodemographic profile of children affected by amelogenesis imperfecta: A pilot study based on children attending a pedodontic clinic in Sri Lanka. South Asia association of pedodontic journal. 2018:1
  • Chandrasiri RA, Jayasinghe RD, Jayasooriya PR.Verrucous hyperplasia: A case report on a controversial entity. SLDJ 2018:48:1
  • Hettiarachchi K, Jayasinghe RD, Gunesena C, Jayasooriya PR. Juvenile pemphigus vulgaris as a differential diagnosis for chronic generalized ulceration. Journal of Experimental Dental. Sciences. Accepted
  • RMSHB Medawela, DRDL Ratnayake, DRDL Ratnayake, PR Jayasooriya, BSMS Siriwardena, WM Tilakaratne. Malignant transformation of oral lichen planus; the first two cases reported in Sri Lanka and literature review. Sri Lanka Dental Journal;2017;47(01):29-37.
  • Eden P, Abeyasinghe WAMUL, MBM Mufees and PR Jayasooriya. A series of 13 new cases of Langerhan’s cell histiocytosis of the oral cavity: a master of disguise. Oral Health Care 2017;2(1):1-4
  • Primali Jayasooriya,Champika Fernando,Anura Suraweera and Upul Dissanayake. Stem cell markers as a resource to predict prognosis of betel quid induced oral squamous cell carcinoma: an immunohistochemical investigation. Stomatological Dis Sci 2017;29-34
  • Herath EMUCK,Jayasooriya PR, Perera IR and Hewavithana PB.Significance of Syndromic Forms of Amelogenesis Imperfecta:Illustrated by Two Cases of Tricho-Osseous Syndrome and Cone-Rod-Dystrophy.Sri Lanka Dental Journal 2017;27-31
  • Thirilosanan G, Qayyum Z, Atygalla AM and Jayasooriya PR.A rare case of Malignant Peripheral Nerve Sheath Tumour of the Anterior Mandible. Sri Lanka Dental Journal 2017;37-43
  • Jayasooriya PR, Pitakotuwage TN, Mendis BRRN, Lombardi T. Descriptive study of 896 Oral squamous cell carcinomas from the only University based Oral Pathology Diagnostic Service in Sri Lanka. BMC Oral Health. 2016: 16: 1. Published online 2016 Jan 8. doi: 10.1186/s12903-015-0139-y . PMCID: PMC4705638
  • Jayasooriya PR, Madawalagamage LN, Mendis BRRN, Lombardi T. Diagnostic approach to synovial sarcoma of the head and neck illustrated by two cases arising in face and Oral cavity. Dermatopathology 2016: 3:13-22.
  • Weerasinghe HGRN, Wijesuriya PC, Jayasooriya PR. Juvenile ossifying fibroma: an analysis of clinico-pathological features in a case series with a literature review. Journal of Diagnostic Pathology 2016;11(2):14-21
  • Eden P, Jayasooriya PR, Jayasuriya NSS. A clinico-pathological study of oncocytoma of salivary origin: a rare tumour occurring predominantly in the parotid gland. Indian Journal of Oral Sciences 2016 (in press)
  • Rajapakshe RMAR, Pallegama RW, Jayasooriya PR, Siriwardena BSMS, Attygalla AM, Hewapathirana S, Werasinghe JU, Dias DK, Tilakaratne WM. A retrospective analysis to determine factors contributing to the survival of patients with oral squamous cell carcinoma. J of Cancer Epidemiol, 2015 Jun;39(3):360-6.
  • RLPR Liyanage, NS Wadusinghearachchi, BSMS Siriwardena, PR Jayasooriya, WM Tilakaratne. Pigmented mucoepidermoid carcinoma with spindle cell differentiation. Oral Surgery, Oral Medicine, Oral Pathology and oral radiology. 117 (6) e449-e451.2014.

  • NH Senarath, PR Jayasooriya, BSMS Siriwardena,H Kumarage, NS Wadusinghearachchi, RLPR Liyanage, S Wijetunge, R Waduge, P Ratnayake, WM Tilakaratne. Inter – Examiner variability in diagnosing oral epithelial dysplasia using the conventional system (WHO 2005). Annual Scientific Sessions of Sri Lanka Dental Association, 2018, Colombo, Sri Lanka.
  • WAMUL Abeyasinghe, PR Jayasooriya, WM Tilakaratne. Natuaral history of oral submucous fibrosis; a clinicopatholgical study. IPURSE, 2017, Peradeniya, Sri Lanka
  • Senarath NH, Jayasooriya PR, Jayasinghe RD and Amaratunga EAPD.Assesment of Demographic features and concordance between clinical and histopathological diagnoses of the tongue. Proceedings of the Peradeniya Universiy International Research Session;2017;136-137
  • Jayawardena JACK, Tamara R, Jayasooriya PR, Illeperuma R. Learning experience of medical laboratory students towards a self study e-learning resource. Proceedings of the University of Peradeniya international Research sessions 2016: 20; 176
  • Eden P, Tennakoon TMPB, Jayasooriya PR. Retrospective analysis of demographical findings and concordance between clinical and histopathological diagnosis of radicular cysts. Proceedings of the University of Peradeniya international Research sessions 2016: 20; 252
  • Jayasooriya PR, Fenando MC, Suraweera AK, Dissanayake UB. Evaluation of cancer stem cell marker expression as a tool to predict survival and nodal metastasis of patients with oral squamous cell carcinoma. Proceedings of the University of Peradeniya international Research sessions 2016: 20; 262
  • Abeyasinghe WAMUL, Tilakaratne WM, Jayasooriya PR, Liyanapathirana L. A case report on deep fungal infection presenting as necrotizing stomatitis in an immunocompromised patient. Sri Lanka Dental Associationconference manual 2016: p46
  • Evaluation of “senescence associated secretory phenotype” and the role of senescent fibroblasts in oral submucous fibrosis” Rs 2.9 Million grant from National Science Foundation, Sri Lanka; 2017/18. (RG/HS/2017/01)
  • A clinicopathological and immunohistochemical analysis of extra nodal intra oral lymphoma. Rs 6,00,000 grant from University of Peradeniya (URG/2017/24/D)
  • NRC merit award for scientific publication-2015 Cancer Epidemiology 2015: 39: 3: 360-366
    Research supervision for Faculty of Allied Health Science undergraduate students
    2019- AHS/14/NUR/060