CT Examination

Modern CT scan – Diagnostic Center Budapest

The computed tomography or CT scan is used for examining and diagnosing the following areas: tumors, infections, accidents, injuries, atherosclerosis, thrombosis, nervous system (brain and spine), facial bones, malformations, sinuses for the purpose of making a precise analysis.

The CT scan is particularly useful as it provides a high-resolution cross-section view, which is especially suitable to help the assessment of the anatomy, the structure and the organs compared to one another and to pathological lesions (e.g. before operations), as well as to identify pathological conditions and their locations in almost all parts of the body. Some of its methods can also be used for testing (e.g. lungs, colon). 

In the framework of private healthcare, you do not need a referral to initiate the payable CT test.

The CT scan

The CT scan is a type of computed tomography, which in the early 1980s was already used in diagnostic imaging, in the course of which we can get appropriate information of the regions of the body.

  • The CT computed tomography – diagnostic imaging method is suitable in such cases too to identify, seek or exclude illnesses, as well as to assess patients’ conditions. 
  • In any area suspected to be ill, or to diagnose the exact extent of a known tumor.
  • To demonstrate illnesses, to assess the state of the bones, soft tissues, as well as to evaluate the effectiveness of the treatment.

CT scan in Budapest

We provide CT scans for outpatients in the framework of private healthcare in our modern private Budapest CT center from Monday to Friday between 8 a.m. and 8 p.m.

Appointments for MRI scans can be made on phone: +36-1-998-0000 or mobile: +36-30-641-0000

Address. Hungary, 1027 Budapest, Henger utca 2/B

The significance of CT in diagnostic imaging:

The first use of CT scan X-ray in computed tomography preparation, in 1970, revolutionized diagnostic imaging.

The pictures are built up from different perspectives without superimposition (which was a problem in the case o the X-ray test) and in 3D as well. While evaluating the finished images processed by computer, further 3D images and virtual video tests can be made and the location of the mutation and the relations of organs to each other can be clarified.

Modern CT equipment, with a short test time and low radiation, produces high resolution images of extensive areas (chest-abdominal pelvic examinations and arteric examinations of limbs).

Speed and accuracy are of great importance in emergency medical care. The examination can be carried out on a number of diseases, or where there is a suspicion.

It’s a great help in the detection and accurate diagnosis of the disease.  It facilitates to carry out examinations within short testing period with high image resolution and low radiation. Because it’s fast it is particularly important in emergency medical care. This examination can be carried out as first examination in case of numerous diseases disease or suspicion.

The significance of these test methods compared to conventional techniques is that the various structures are not projected onto each other, their picture is not combined. Hence it can be analyzed in detail.

What we examine during CT:

This high-tech process can be very effectively used in the diagnosis of any body organ diseases. It is  used for the head and neck (nervous system, sinuses, eyes, eye socket, ear, oral cavity, pharynx, larynx), chest (lungs, lymph nodes, blood vessels, heart, fluid collections), abdomen and pelvis (liver, bile ducts, spleen, pancreas, kidneys, adrenal glands, lymph nodes, internal sexual organs, urinary tract, bladder) examination. It can be used for examining the structure of the bones, inflammation, tumours, and the precise detection of fractures.

Spinal diseases and bleeding disorders of any organ system can be examined by this method. The method can provide a very accurate and high-resolution image of any organ. Virtual colongraphy is an approved screening method for the colon, a low-dose chest CT scan for the lungs. This high-tech method can be very useful for all organ and organ system diagnostics. The method can provide very accurate and high-resolution images of any organ. Primarily, it is excellent for viewing the central nervous system, the chest and abdomenand the vascular system, as well as almost all parts of the human body . Cancer, inflammatory disease, injury, bleeding of the organs, are detectable with it. It is also suitable for 3-D display of the human body.

The process of CT examination:

CT scanning is carried out by qualified personnel. The duration of the test is 5 to 15 minutes. In some special cases it may be longer than that, followed by an approximately 20-30 minute observation period, after administering the contrast agent. During the test, the patient lies on a table and slides into a large, but relatively short cylinder.The cylinder is less constricted than the MR device, so claustrophobic patients can tolerate it better. Throughout the test, the table slides in and out several times in the tube, while the patient lies motionless during the measurements, and breathes in the manner requested by the machine.

During the test, the X-ray tube rotates around the body, while the table moves in and out continuously. The machine measures the course of this, the extent of absorption of X-ray examination of transverse sections specific points. The resulting data set computer compiles the images required. Time is allocated to administor the contrast material required for most blood vessels, in order to obtain more accurate information about the soft tissues.

To achieve this we administer the contrast material via a small plastic tube into the vein with a catheter, while an additional set of pictures are obtained during the examination.

You can experience a metallic taste during the injection of the contrast agents, which is not unusual, and which ceases after a few minutes. Iodinated contrast agents rarely cause complications, such as allergic reactions.

If you have had such allergic reactions before, please indicate it!

In order to separate the abdominal examinations of the intestines, they need to be filled with liquid. Before the examination about 1 to 1.7 litres of fluid is needed to be consumed in a period of about 1-2 hours.

The liquid consumed can be of different types, depending on the purpose of the examination. The liquid consumed can cause diarrhea, as a natural consequence.

The evaluation of the tests is done after the completion of the investigation. It can be time consuming, depending on the type of test, but it is possible to obtain a quick result.The visual material is available on CD upon request, after the test.

The complete findings can be given in person, but on request they can be sent by e-mail.

What to pay attention to before and during the test:

Don’t eat anything for two hours before the CT scan. The contrast agent injected into the veins is largely excreted by the kidneys from the body, so before and after the test drink plenty of fluids (2.5 to 3.5 liters of water a day, or a sugarless liquid).

For this reason it is important to know whether the kidneys are functioning normally, so please bring along a laboratory test result, not older than one month, which indicates kidney function. 

During the abdominal, thoracic examinations, the patient should lie motionless and should hold their breath, and will receive instructions from the staff or the machine in the control room. 

The ingested contrast material  before the test can produce diarrhea, which is normal. The patient should hold their breath during the abdominal, thoracic examinations, and  will get instructions  from the staff in the surgery room.

In the case of abdominal examinations, an oral contrast agent is given to the patient one hour before the test in order to separate the intestines and clarify their differences easier.

CT scan and pregnancy:

Imaging is made by X-ray during the CT scan and therefore it is not performed during pregnancy. If you are pregnant or suspect that you are pregnant, please be sure to indicate this before the test!

Injection of contrast agent

Information about the intravenous application of contrast agent:

If you previously received iodinated contrast agent in your vasculars (CT, kidney staining, angiography) and any complications, such as with blood vessels, were observed, please indicate before taking the test.

If you show symptoms of an allergic reaction, you cannot receive iodinated contrast material. If you have experienced an allergy to medicines containing iodine and skin disinfectant, it does not automatically mean that your body will react to the intravenous contrast agent with an allergy. If you are taking medicines containing merkformin for diabetes, it should be discontinued two days before the test, and for an additional 2 days after the test you should not take this medicine.

Please consult with your physician about how to suspend the use of medicine, and the necessary diet.

Mercformin containing medicines: Adebit, Adim, Avandamet, Competact. Eucraes, Gluformin HUMAN Matformin, Janumet, Maformin, Maforal, Meglucon, Merkformin, metformin, metformin BMS MetforminHexal, Metformin-Teva, Metfogamma 850, Metglucon, Metrivin, METWIN, Siofor, Velmetia.

If you have thyroid problems, please mention it, as iodinated contrast agents can cause temporary thyroid imbalance. The injected contrast material is largely excreted by the kidneys, therefore in order to prevent damage to the kidneys it is very important to increase your fluid intake before and after the test period (1-2 days).

This is why it is recommended to monitor renal function before the test, especially for those over 70 years of age, those who have had kidney disease, kidney surgery, if the urine contains protein excretion, in case of diabetes, high blood pressure, gout or nephrotoxic medications, when renal function impairment can be more frequent.

If your compromised renal function is known, then it can be tested again within 7 days, or a month if it is unknown, to decide whether you can receive e-contrast agent. (According to The European Urologist Society recommendation, the so-called EGFR value must be 45 ml / min / 1.73 m2k ).

The technical background of the CT:

Examinations can be carried out within a short test time with high resolution imaging and low radiation. The process is a high-tech procedure which can be used for all organ and organ system diagnostics. The method is highly accurate and provides high-resolution images of any organ. Based on these values, after complex mathematical and computational operations, the computer displays the sectional view of the given part of the body on the monitor.

Special CT examination:

CT – colonoscopical test, fecal marking

CT colonoscopy screening is used as a screening test in case of intestine polyps and malignant lesions. 

After purification, the intestine is inflated with air in a similar way to the abdominal CT examination, with the help of the data obtained and with a special software programme 3-D images are made and ’virtual’ images displaying the surface of the intestines are made that are similar to the images made during colon-mirroring.

This method examines the inner surface of the colon in order to find the overgrowth of tissue from the surface of mucous membranes called  intestinal polyps, or to find thickenings on the intestines that narrow the alimentary canal. It is less burdensome than a colonoscop, but inflating the colon with air is also required, which can be uncomfortable. The examination also provides an opportunity to review the abdominal areas on the resulting images (surrounding the abdominal fat tissue, lymph nodes or other abdominal organs).

CT – colonoscopy – in detail:

The test creates images using X-rays so there’s an exposure to radiation. So, in case of pregnacy, it can only be carried out under medical supervision.

The images are evaluated later by a special computerized 3-D image processing method, which enables the checking of the inner surface of the colon in a similar way to colon mirroring.

The process is less stressful than a colonoscopy. The examination also provides an opportunity to review your abdominal areas besides your guts, such as the surrounding abdominal fat tissue, lymph nodes or other abdominal organs. 

However, there is no possibility for taking samples and removing polyps during the examination. 

In very rare cases the inflated air can cause a perforation of the weakened bowel wall during the course of the examination.

This complication occurs very rarely, less than one patient out of 2000, and it’s significantly lower than the frequency of occurrence in the case of  direct colon mirroring. The CT colonography examination can be tolerated well, with no need for sedation. In order to achieve success during the test, it is very important to have proper bowel cleansing, so that the inner surface of the intestine can be visible.

Before starting the bowel cleansing, the intestinal content is marked by the contrast agent so that any residual contamination can be distinguished from polyps and other tissue  formula. 

In order to achieve this, the patient should consume a teaspoon of contrast material dissolved in water during each meal, 2 days before the test.