Proton Therapy

Hong Kong’s First Proton Therapy Centre

Proton therapy, a form of particle beam therapy, is the most advanced radiotherapy modality used in tumour treatment. In conventional X-ray (photon)- based radiotherapy, the radiation penetrates the target site, causing damage to the normal tissue behind the tumour. However, proton therapy harnesses the physical properties of the “Bragg Peak”. It involves meticulous computation and regulation of the precise depth and intensity of the proton beam, enabling it to precisely aim at the tumour and delivering a concentrated burst of energy at the end of its range. This focused release of energy effectively targets and eliminates cancer cells, after which the radiation halts and dissipates instantaneously.

Proton therapy offers the advantage of minimising the radiation exposure to the healthy tissues surrounding the tumour, therefore lowering the risk of complications and side effects associated with conventional radiotherapy treatment, while optimising the radiation dose to kill cancer cells.

Proton therapy is suitable for various cancer types, including brain cancer, head and neck cancer, lung cancer, liver cancer, breast cancer, prostate cancer, and more. It is particularly beneficial for paediatric cancer patients who are still in the developmental stage.

Why Choose Proton Therapy?

Enhanced precision: The unique physical attribute of proton therapy enables the proton beam to precisely target tumour cells, minimising damage to surrounding healthy tissues and organs.
Reduced side effects: Due to its targeted approach, proton therapy reduces the risk of short-term and long-term side effects compared to conventional radiation therapy.
Paediatric-friendly: Proton therapy is particularly well-suited for treating paediatric cancers, as it spares developing tissues and reduces the risk of inducing secondary cancers later in life.
Sustained quality of life: Patients are often able to maintain quality of life during and after proton therapy, with relatively minimal disruption to daily activities.