Dr. Shaun Ho Zhirui

Dr. Shaun Ho is a radiation oncologist at Proton Therapy SG. He specialises in the use of advanced radiotherapy techniques to improve patient outcomes while minimizing treatment side effects. This encompasses proton beam therapy (PBT), stereotactic body radiotherapy (SBRT), stereotactic radiosurgery (SRS), as well as intensity modulated/volumetric modulated arc radiotherapy (IMRT/VMAT).

Prior to joining Proton Therapy SG, Dr. Ho was the head and Clinical Director of Radiation Oncology at Raffles Hospital. He also previously served as a Consultant and Clinical Assistant Professor at the National Cancer Centre Singapore (NCCS) and Duke-NUS Graduate Medical School.

Dr. Ho is an MOH accredited specialist in Radiation Oncology and a Fellow of the Academy of Medicine Singapore. He is also a Fellow of the UK Royal College of Radiologists (Clinical Oncology) and a Member of the Royal College of Surgeons of Edinburgh. Additionally, he holds a Graduate Diploma in Palliative Medicine.

He underwent radiation oncology residency at NCCS and subsequently completed a fellowship in Clinical Oncology at University College London Hospital (UCLH) in the UK. During his fellowship, he treated patients at UCH Macmillan Cancer Centre, the National Hospital for Neurology and Neurosurgery (NHNN), and was part of the London Sarcoma Service, one of the largest sarcoma services in Europe. His subspecialty training was in gastrointestinal oncology, neuro-oncology, sarcomas and lymphomas. He also underwent further training in proton beam therapy (PBT) at Kobe Proton Therapy Center in Japan, and at Taipei Medical University in Taiwan.

Dr. Ho served as a Consultant Radiation Oncologist at the National Cancer Centre Singapore (NCCS), specialising in gastrointestinal oncology, sarcomas, and lymphomas. During his time in public service, he received the SingHealth 10-year long service award in recognition of his contributions to patient care.

In 2020, Dr. Ho took on the role of Clinical Director of Radiation Oncology Services at Raffles Hospital. There, he established and operationalised their first radiotherapy services, which included techniques such as Stereotactic Body Radiotherapy (SBRT) for lung and bone tumours, Stereotactic Radiosurgery (SRS) for brain metastases, Deep Inspiratory Breath-hold (DIBH) Radiotherapy for breast cancer, and Volumetric Modulated Arc Therapy (VMAT) for cancers in the head and neck, lung, and prostate.

To advance the radiation oncology specialty in Singapore, Dr. Ho served on the Executive Committees of the Chapter of Radiation Oncologists, College of Radiologists Singapore, and the Singapore Radiological Society. He is also a member of the International Society for Radiosurgery.

Dr Ho treats patients for a wide range of conditions. He also has deep expertise and interest in the treatment of colorectal cancer, esophagus, liver and pancreatic cancers, head & neck cancers, breast cancer, lung cancer, prostate cancer, sarcomas, lymphomas, and brain tumours.

Proton Beam Therapy (PBT)

Stereotactic Body Radiotherapy (SBRT)

Stereotactic Radiosurgery (SRS)

Volumetric Modulated Arc Therapy (VMAT)

Deep-Inspiratory Breath Hold Radiotherapy (DIBH)

Image Guided Radiotherapy (IGRT)