To diagnose lung inflammations and lung findings, to diagnose chest tumors or tumors that have metastasized there from other parts of the body, to check if there is a reaction for treatment of the tumor in the chest, to assess thoracic injuries including, heart, blood vessels, lungs and ribs injuries.
Virtual catheterization is a CT scan of heart arteries, and it is performed when there is suspicion of a problem in the blood vessels that feed the heart muscle.
Virtual colonoscopy is a CT scan designated to diagnose colon tumors and is an alternative to standard colonoscopy. Normal abdominal CT scan is not an alternative to colonoscopy – virtual or normal – as it does not provide a picture of the inside of the intestine.
In which cases should a chest CT be performed?
In cases of cough, shortness of breath, chest pain and fever. These raise the suspicion of thoracic or lung disease, so a CT scan is needed as it is sometimes not enough to have a chest X-ray for an accurate diagnosis.
In case of an abnormal finding in chest X-ray.
Diagnosis and assessment of chest tumors, or those that have metastasized there from other tissues in the body.
Assessment of tumor response to radiotherapy or chemotherapy.
Assessment of chest injuries, in cases of heart, blood vessels, lungs, ribs and spine injuries.
In cases of cancer, assistance in planning for radiotherapy or surgery.
Assessment of lung diseases including pneumonia, tuberculosis and cystic fibrosis.
How should one prepare for a chest CT?
It is advised to arrive without jewelry or metals that may interfere with the scan and wear comfortable clothing.
In addition, the patient may sometimes be asked to remove their hearing aid, or detachable dental devices. Women are advised to arrive wearing a bra that does not contain metal.
The doctor should be informed of any contrast agent sensitivity. Patients with diabetes, kidney disease, thyroid disease, heart disease and asthma should consult a doctor regarding the vitality of the examination, as there is a higher risk of problems due to the contrast agent. In cases of sensitivity to iodine or asthma, anti-allergic drugs will be administered prior to the scan to prevent allergic reactions to the contrast agent.
In cases where a contrast agent is to be used, the patient may have to fast for 6-4 hours prior to the examination.
Women at the age of fertility should notify the doctor if they may be pregnant. The examination is not recommended for pregnant women, as it is may harm the fetus.