Brachytherapy is a special form of internal radiation therapy, where a radioactive source is placed close to or inside the tumour. It is used commonly in Gynaecological cancers such as cervix or endometrial cancers, breast cancer and prostate cancer. This characteristic of the treatment sets it apart from External Beam Radiation Therapy [EBRT], where radiation beams are delivered from outside the body.
The main advantage of brachytherapy is the sharp dose fall off over a short distance, which allows sparing of the surrounding normal tissues and hence reduction in side effects without compromising the tumour dose. This enables the tumour to receive full dose.
Another advantage for brachytherapy is that since the radioactive sources are placed close to the tumour, they will retain their position in relation to the tumour irregardless if the patient moves or breaths during a treatment procedure. This ensures precise and accurate delivery of the radiation treatment.
Brachytherapy is administered through either a permanent radioactive seed implant (Low Dose Rate “LDR” treatment) or through moving a radioactive source in and/or around the cancer (High Dose Rate “HDR” treatment). With HDR treatment, the radioactive source is retracted out of the body once depositing the prescribed dose by the radiation oncologist.
Our radiation oncologists will discuss which treatment is suitable for you.
Senior Consultant Radiation Oncologist, Medical Director, MBBS (Aust), FRANZCR (Radiation Oncology)
Dr Tang obtained his medical degree from the University of Newcastle, Australia in 1998 and completed his house officer training at the Hunter Area Health Service, Australia before returning to Singapore to start his specialty training in Radiation Oncology at the National University Hospital (NUH). After obtaining his fellowship from the Royal Australian College of Radiologist (FRANZCR) in 2006, Dr Tang underwent fellowships in breast brachytherapy at University of Wisconsin and Arizona Breast Cancer Specialist Centre as well as prostate brachytherapy, skin and paediatric fellowships at Peter Maccallum Cancer Institute, Australia.
Dr. Johann Tang is an experienced radiation oncologist who aims to deliver the highest level of care to his patients. e is dedicated to understanding each patient’s condition and provides holistic customized care that is both effective and compassionate. With ethics and empathy held at the core of our practice, we strive to understand your individual needs and provide care that is compassionate and responsive.
Mon – Fri: 8:30am – 5:30pm
Sat: 8:30am – 12:00pm
Sun & Public Holidays: Closed