Our Specialists

Our radiologists at St Vincent's Clinic Medical Imaging & Nuclear Medicine have vast experience and expertise in all areas of radiology, with subspecialties in neuroradiology, musculoskeletal imaging, interventional radiology, thoracic imaging, womens imaging, breast imaging and nuclear medicine.

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Dr Linda Borella

Head of DepartmentMBBS FRANZCR

Dr Linda Borella is the Managing Partner of St Vincent’s Clinic Medical Imaging & Nuclear Medicine. Dr Borella completed her Radiology training at Royal North Shore Hospital and Liverpool Hospital. She completed a Fellowship in Breast Imaging with the NSW Cancer Institute and a Fellowship in Paediatric Imaging at The Children’s Hospital at Westmead.

 Dr Borella has a particular interest in breast imaging and oversees breast imaging in the department. Dr Borella is actively involved in diagnostic and interventional breast MRI services and implemented at the practice Sydney’s first Abbreviated Breast MRI screening service.  Dr Borella holds an accredited VMO position with BreastScreen NSW and also has an interest in general ultrasound, neuroradiology, body oncology and head and neck imaging. Dr Borella is actively involved in teaching and research and is an Honorary Scientist at the Garvan Institute and Conjoint Lecturer at the University of New South Wales and Adjunct at the University of Notre Dame.

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Dr Garry Schaffer


Dr Garry Schaffer trained and worked as a Staff Specialist in radiology at RPAH prior to entering private practice and joining St Vincent's Clinic Medical Imaging & Nuclear Medicine in 2005.

Dr Schaffer's particular areas of interest include abdominal & urological imaging and application of effective multimodality imaging.

He has previously served as a director of RANZCR and is currently a  board member of St Vincent’s Clinic.

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Dr Sebastian Fung


Dr Sebastian Fung undertook his medical training in the University of Sydney, graduating with first class honours, before embarking on specialist training in radiology in Westmead hospital, Sydney. He accomplished his specialist qualifications in 2004 when he was awarded the M. G. F. Donnan Prize for best candidate for the FRANZCR Part II pathology examination. He furthered his training with a Paediatric Radiology Fellowship at Westmead Children's Hospital. This was followed by a fellowship in Musculoskeletal Imaging at the Hospital for Special Surgery in New York, where he was awarded the Charles L. Christian Award for excellence in musculoskeletal research for his study on "Stratification of Cartilage Injury Following Isolated ACL Injury".

Dr Fung's particular areas of expertise include musculoskeletal, spinal and neurological imaging, as well as musculoskeletal and spinal therapeutic procedures.

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Dr Christine Shearman

B. Med (Hons) FRANZCR

Dr Christine Shearman graduated from the University of Newcastle and undertook her radiology training at Royal Prince Alfred Hospital, followed by 18 months in Body Imaging at Hammersmith Hospital (UK) and 12 months as a Fellow in Musculoskeletal Imaging at the University of Iowa Hospitals and Clinics (USA).  Dr Shearman has worked extensively in both the Public and Private Sectors in Sydney.

Dr Shearman's particular interest is in all aspects of breast radiology in the setting of screening, diagnostic and interventional work.  She has a long-standing accredited position at BreastScreen, has significant Breast MRI and Breast Interventional experience and is passionate about optimising outcomes through collaborative multidisciplinary discussion.

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Dr Pascal Bou-Haidar


Dr Pascal Bou-Haidar specialises in neuroradiology, head & neck imaging, musculoskeletal imaging, body MRI, cardiac and prostate imaging. He completed his radiology training at Westmead Hospital and was awarded the HR Sear prize for the most outstanding candidate in the examination for the Fellowship of the Royal Australian and New Zealand College of Radiology (RANZCR). Dr Bou-Haidar was also awarded the Thomas Baker Fellowship from RANZCR, where in New York, he completed Fellowships in Neuroradiology (2009) and Musculoskeletal Imaging (2010) at Mount Sinai Hospital. He joined St Vincent’s Clinic Medical Imaging & Nuclear Medicine in 2011.

Dr Bou-Haidar has a research interest in 3D medical visualisation techniques including 3D printing and has obtained a Masters of Engineering Science (UNSW School of Biomedical Engineering).

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Dr Bill Lees


Dr Bill Lees is a dual trained Nuclear Medicine Radiologist. He completed radiology training at St Vincent's Sydney and a 2 year Nuclear Medicine and PET fellowship at Royal Prince Alfred Hospital. He has been a partner at Goulburn Valley Imaging Group, Victoria from 2001 to 2012 and has since relocated to Sydney. He completed formal PET training and accreditation at the Peter MacCallum Cancer centre in Melbourne.

Dr Lees' particular areas of interest include cardiac and hybrid imaging including SPECT/CT and PET/CT.

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Dr Grant Bigg-Wither


Dr Grant Bigg-Wither is a Staff Specialist at St Vincent's Hospital and a contributor to Safety Guide for Radiation Protection In Diagnostic and Interventional Radiology – Australian Radiation Protection and Nuclear Safety Agency (ARPANSA) 2008. He is actively involved with Registrar training at St Vincent's Hospital and is a Royal Australian and New Zealand College of Radiology (RANZCR) examiner for Radiology fellowship final examinations.

Dr Bigg-Wither's particular area of interest is in head and neck imaging.

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Dr Andrew Csillag


Dr Andrew Csillag is a graduate of Sydney University and completed radiology training at St Vincent's Hospital Sydney in 1995.

He spent five years as a staff specialist at Nepean Hospital before joining St Vincent's Medical Imaging and Nuclear Medicine in 2000.

Dr Csillag's principal interests are in cardiac and vascular imaging, thoracic imaging, oncology and interventional radiology.

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