Computed tomography is a modern method of X-ray diagnostics which provides images of body parts, human organs and systems in the transverse plane. Method allows to reconstruct the images in other planes: coronal (front), sagittal (side), oblique and curved.
The method is based on the phenomenon of unequal X-ray absorptivity by various body tissues. Scanning the human body is provided by fan-shaped X-ray beam. The receiver is a series of detectors operating synchronously. The radiation is transformed into electrical signals and obtained data are computer processed. As the result anatomic images in different planes are got.
What the method is for
- lungs: pneumonia, tuberculosis, pneumoconiosis, parasitic infections, tumors, disorders of pulmonary blood flow (pulmonary embolism, pulmonary infarction, septic pulmonary embolism, pulmonary vascular abnormalities) and so on;
- abdominal organs: tumors, biliary tract disease, pancreas, adrenal glands etc.;
- pelvic organs: urinary tract, uterine diseases, prostate, visualization of bone structure and so on;
- brain: tumors, inflammatory diseases, skull bones damages, circulatory disorders, head injury and others;
- spine: protrusions, disk herniation, injuries, inflammatory and neoplastic processes and so forth;
- neck: diseases and injuries of the neck organs, vessels and lymph nodes.
How it goes
Contrast enhancement makes computed tomography more informative. That is why leading radiology centers use contrast-enhanced CT in more than 80% of examinations.
Contrast enhancement is particularly important in the early cancer detection, cardiovascular diseases diagnostics, diseases of the internal organs parenchyma, during the examination of the brain and neck.
Contrast agent is injected intravenously at a specified rate using automatic syringe. The purpose of contrast enhancement is getting the most informative image of the object of research. In concerns arteries, veins, intestine walls, urinary tract.
Absolute contraindications for contrast-enhanced CT are individual iodine sensitivity and renal failure. Relative contraindications are decompensated diabetes and thyrotoxicosis.
CT does not require special preparation.
Only examination of the bladder is held at its filling, so it is reasonable to refrain from toilet visit before investigation.
To obtain high-quality images of the gastrointestinal tract in addition to bolus contrast enhancement it is necessary to fill the stomach and small intestine with water. Before the day of investigation purgation using special medications should be done. You will receive detailed instructions from our specialists.
Our doctor will assign the necessity of CT after your medical history examination.