Iona Leong

Associate Professor

Other Appointments

B.Sc. (Hons), B.D.S., M.Sc., F.R.C.D. (C) 

Cross Appointments

Department of Laboratory Medicine and Pathobiology, Faculty of Medicine


Dr. Leong’s research explores topics in oral pathology including the progression and prognosis of different kinds of oral cancers and diseases.

Select Publications

Kumar M, Srivastava G, Kaur J, Assi J, Alyass A, Leong I, MacMillan C, Witterick I, Shukla NK, Thakar A, Duggal R, Roychoudhury A, Sharma MC, Walfish PG, Chauhan SS, Ralhan R. ‚ÄúPrognostic significance of cytoplasmic S100A2 overexpression in oral cancer patients.‚ÄĚ J Transl Med. 2015 Jan 16;13:8.

Somasundaram RT, Kaur J, Leong I, MacMillan C, Witterick IJ, Walfish PG, Ralhan R. ‚ÄúSubcellular differential expression of Ep-ICD in oral dysplasia and cancer is associated with disease progression and prognosis.‚ÄĚ BMC Cancer. 2016 Jul 16;16:486.

Kaur J, Matta A, Kak I, Srivastava G, Assi J, Leong I, Witterick I, Colgan TJ, Macmillan C, Siu KW, Walfish PG, Ralhan R. ‚ÄúS100A7 overexpression is a predictive marker for high risk of malignant transformation in oral dysplasia.‚ÄĚ Int J Cancer. 2014 Mar 15;134(6):1379-88.