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In 2022, SJMC became the first private hospital in Malaysia to offer digital PET/CT scan as part of its nuclear medicine services. Positron emission tomography (PET) scanner and a computed tomography (CT) are highly utilised scanners in nuclear medicine. They are used as a pair for better imaging outcome.

Conventional medical scans such as CT scan, X-rays, ultrasound and MRI detect anatomical or structural changes in the human body to detect disease and to assess treatment response.

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Note: This article is an excerpt from the original article published on The Star newspaper on 16 August 2022 available HERE .

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The main difference with PET/CT is that it attempts to detect physiological or functional changes to diagnose a condition and evaluate treatment response. As physiological changes occur earlier in the development of a particular disease, it stands to reason that diseases are able to be detected earlier before there are any significant anatomical changes that can be detected on conventional scans.

Dr Yogendran continues to explain that earlier treatment means improving the chances of patient recovery and survival. For a cancer patient, the treatment response to a particular regime can be assessed earlier to determine the effectiveness of the treatment, allowing oncologists to modify the treatment earlier and thus improving the overall outcome for the patient.

To put it in simpler terms, consultant nuclear medicine physician at Subang Jaya Medical Centre (SJMC) Dr Yogendren Letchumanasamy  says, “The difference between a PET/CT and a traditional CT scan is that a traditional CT scan can only show you the form of the abnormalities. It can neither tell you the function nor the aggressiveness of the abnormalities. However, with a PET/CT, you can determine the form and the function of the abnormal cells, thus allowing doctors to come up with a better course of treatment.”