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A computerized tomography (CT) scan, sometimes referred to as computerized axial tomography (CAT) scan, is a type of imaging test that uses a combination of sophisticated X-ray technology and a computer to create cross-sectional images of the body. The images produced show more detail than a regular X-ray and can show blood vessels, bones, and soft tissues in various parts of the body. The scan can help your doctor detect a variety of diseases and conditions. In a full-body CT scan, the test is used to visualize virtually all parts of the body.
A full-body CT scan can analyze three major areas of the body: the heart, the lungs, and the abdomen. This test is commonly used on those who already have cancer, to see if it has spread to other parts of the body. It is also helpful in an emergency situation to help your doctor examine a major injury. Besides, the test can be used to:
Diagnose disorders of the muscle and the bone, such as fractures and bone tumors
Pinpoint the exact location of an infection, blood clot, or tumor
Detect and monitor diseases and conditions that may be present in your body
Detect internal bleeding and internal injuries.
Your doctor may also recommend a full-body CT scan if you are at a high risk of lung cancer.
During a full-body CT scan, you will have to lie flat on your back on a motorized table that can slide through the doughnut-shaped CT scanner machine. Straps, pillows, and a special cradle may be used to help you stay in the correct position and remain still during the exam. In some cases, a contrast material may be used. It will be injected through an intravenous line (IV) or swallowed.
To determine the correct position for the scans, the table will move quickly through the scanner. Then, during the actual CT scanning, the table will move slowly through the machine and it may take several passes. When the motorized table moves you into the machine, the X-ray tube and detectors will rotate around you. Several images of thin slices of your body are taken in each rotation. The images are then sent to a computer, where they are combined to
The radiographer will operate the machine from a separate room. They can see and hear you, and you will be able to communicate with them during the scan via intercom. They may ask you to hold your breath at certain parts of the scan because you need to stay completely still. Any motion, including body movements and breathing, can blur the scan images. The radiographer may also lower, raise, or tilt the table to create the correct angle for the X-rays.
No anesthesia is involved in a full-body CT scan as it is not painful. However, children who cannot stay still may be sedated.
You may be allowed to leave the hospital on the same day as your full-body CT scan. However, since the results will not be given to you immediately, it is advisable that you stay in Hong Kong for 5 to 7 days, or until the results are ready. Once the results are ready, you will have to attend a follow-up appointment to discuss them with your doctor.
Full-body CT scans do not require any recovery time. You can return to your daily activities, go to work, drink, drive, eat, and drink as normal straight away.
If a contrast material is used, you will have to drink lots of fluids to help your kidneys flush out the contrast material from your body. If not, there are no restrictions or special aftercare following the procedure.
A full-body CT scan has the potential to be inaccurate. A cancer diagnosis based on a CT scan has up to 30% inaccuracy rates. In addition, the procedure is not recommended for those without symptoms.
A full-body CT scan carries some potential risks. During the procedure, your body will be exposed to ionizing radiation. While low doses of radiation in the procedure have not been revealed to cause any harm in the long-term, much greater doses may slightly increase your risk of cancer. The procedure can also harm unborn babies. Therefore, make sure to tell your doctor if you are pregnant.
In some cases, the contrast material can cause allergic reactions, which may result in a rash or itchiness.
Magnetic Resonance Imaging (MRI) scans is the main alternative to a full-body CT scan. MRI scans are currently being evaluated for their possible value in screening. One major benefit of the procedure is that they do not expose you to ionizing radiation. However, they tend to be more expensive than a full-body CT scan.
Before a full-body CT scan, you may experience unexplained symptoms or have a high risk of developing certain diseases. After the procedure, your doctor should find out if there are any abnormalities present in your body. If they do find an abnormality, they may order more imaging procedures to confirm their diagnosis or discuss the best treatment/management plan for you.
Whilst the information presented here has been accurately sourced and verified by a medical professional for its accuracy, it is still advised to consult with your doctor before pursuing a medical treatment at one of the listed medical providers
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The former British colony became a special administrative region of China in 1997, when Britain's 99-year lease of the New Territories, north of Hong Kong Island, expired. Hong Kong is governed under the principle of "one country, two systems", under which China has agreed to give the region a high degree of autonomy and to preserve its economic and social systems for 50 years from the date of the handover.
Hong Kong welcomes an ever-increasing number of medical tourists each year, many of which travel for Full Body CT Scan procedures. Hong Kong is a well-established hub for medical tourism, although it is better known for its quality and cutting-edge procedures than for cost.
Hong Kong is a blend of a dynamic cultural landscape with an astonishing skyline, glamorous shopping, as well as one of the world’s top culinary destinations.
Hong Kong’s weather is influenced by the monsoon subtropical climate. The temperature is mostly mild all year round. May to September are the warmest months with an average temperature of 33 °C while mid-December to February are the coldest months with the temperature falling to 10 °C. Spring starts from March and ends in early May and the weather during this season is pleasant with many sunny days, but you can also have foggy, rainy, and stormy days.
The summer in Hong Kong is hot and humid with a perpetual threat of rain showers, thunderstorms, and sometimes even typhoons. Summer lasts for around four months from May to September. With August as the wettest month in the city.
The best time to visit Hong Kong is in the autumn, starting from October to early December when the days are generally sunny and the temperatures range from 22 °C to 28 °C. Winter is the holiday season in the city and the average temperature is around 16 °C to 18 °C but it can drop under 10 °C.
The main gateway to Hong Kong is the Hong Kong International Airport. The airport is built on reclaimed land on the island of Chek Lap Kok and it serves international destinations to almost every major city in the world, including, Dubai, Amsterdam, Seoul, Canada, Singapore, and Sydney. For affordable travel, budget airlines such as AirAsia, Eastar Jet, and IndiGo are available. There are a wide variety of public transport services to and from the airport. The best options are Airport Express, public buses, and taxis.
To get around Hong Kong, it is best to purchase Tourist Day Tickets which gives you unlimited access to the main MTR and certain Rail lines for HK$65. If you are planning to stay longer in the city, the Octopus Card will be a big help. The card is reusable and can be used for almost every public transportation mode and you can buy the card for HK$150.
One of the fastest and easiest ways to get around the city is by the MTR (Mass Transit Railways) and it is one of the most advanced metro systems on the planet. The MTR operates 11 lines from 06.00 am to 01.00 am. The fare ranges from HK$3.6 to HK$52.6 depending on the distance.
The public bus is a great way to explore Hong Kong, especially the south side of the island and the New Territories. Most buses are double-decker and air-conditioned and it is an affordable way to get around the city and the fares will vary based on the distance traveled. Other public transportation modes such as tram and ferry are also available.
If you need a more flexible way of travel, taxis are easy to find and offer excellent value. There are three types of taxis, the red taxis operate throughout the city except for Lantau Island and the fares start at HK$24. The green taxis only operate in the New Territories and the fares start at HK$20.50. The blue taxis serve Lantau Island and the fares start at HK$19.
Citizens of around 170 countries and territories may visit and stay in Hong Kong without a visa for up to 180 days. Other countries not listed in the visa-free entry such as Albania, Armenia, and Cambodia need to apply and obtain a visa before entering the country. All visitors must have a passport valid for at least one to six months beyond the date of entry to Hong Kong. Visitors can apply for a visa from their nearest Chinese embassy or consulate.
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