Oncology Experts

Dr Sim Shao-jen, Llewellyn

Department of Diagnostic Radiology
Dr Sim is currently the Director of Breast Imaging in the Department of Diagnostic Radiology. He was trained under Dr Jan Hendriks and Professor Roland Holland at the National Expert and Training Cent
National university of Singapore


A/Prof Mikael Hartman has been practising in Singapore since 2009 and is originally from Stockholm, Sweden where he received his training at Karolinska Institute. That is also where he received his board certification in General Surgery in 2005. Having completed his doctoral studies in the field of epidemiology in 2007, he specializes in the field of breast cancer etiology and prognostification as well as inheritance of cancer prognosis. He has been a co-recipient of the Breast Cancer Concept Award, US Army, in 2002 and 2006.

Research Interest

A Fellow of the Royal College of Radiologists (UK) and the Academy of Medicine, Singapore as well as a member of the Singapore Radiological Society, Dr Sim is also a Visiting Consultant to the National Cancer Centre, Changi General Hospital & Thomson Medical Centre. His other appointments include Clinical Lecturer at the National University of Singapore, Assistant Professor at Duke NUS Medical School and a member of the National Breast Cancer Screening Programme Workgroup on Digital Mammography.


  • The Value of Breast Ultrasound in Women with Familial Risk of Breast Cancer. Sim LSJ, Hendriks JHCL, Fook-Chong MC. Annals of the Academy of Medicine Singapore. 2004;33:600-6 Single Centre Review of Radiologically Guided Percutaneous Nephrostomies: A Report of 273 Procedures. Sim LSJ, Tan BS, Yip SKH, Ng CK, Lo RHG, Yeong KY, Htoo HH, Cheng CWS. Annals of the Academy of Medicine Singapore. 2002;31:76-80 Statistical Analysis of Healthy and Malignant Breast Thermography. Ng EYK, Ung LN, Ng FC, Sim LSJ. Journal of Medical Engineering & Technology. 2001;25(6):253-263

  • Supplementary breast ultrasound screening in Asian women with negative but dense mammograms – A pilot study. Leong LCH, Gogna A, Pant R, Ng FC, Sim LSJ Annals Academy of Medicine Singapore 2012;41:432-9. Upright Stereotactic Vacuum-assisted Needle Biopsy of Suspicious Breast Microcalcifications. Sim LSJ, Kei PL Journal of Medical Imaging and Radiation Oncology. 2008;52(4):358 -364 Numerical Modelling of Biopotential Field for Detection of Breast Tumor. Ng WK, Ang WT, Sim LSJ, Acharya RU. Computers in Biology and Medicine. 2007;37:1121-1132 Ultrasound Correlation for MRI-detected Breast Lesions in Women with Familial Risk of Breast Cancer. Sim LSJ, Hendriks JHCL, Bult P, Fook-Chong MC. Clinical Radiology. 2005;60:801-806

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