The receptor of the radiation that passes through the body is connected to a computer and forwards the information (without needing to develop an X-Ray film). The CAT scan computer assesses the information and designates a gray-scale for each pixel depending on the radiation. The result is a “slice” image of the body.

Moreover, advances in technology have permitted the development of equipment with a great number of detectors, and in which the acquisition of information can be done while the table with the patient advances through the ring; we are talking about the Multi-slice Helical CT.

 What types of CAT scans does E.R.E.S.A. have?

All of our CAT scan equipment has multi-slice helical technology.

What type of tests can be performed with a Multi-slice CAT scan?

The integration of this latest generation technology in our CAT scans, allows the acquisition of entire body parts within seconds, and a need for less doses of radiation. Likewise, given its temporary high resolution, organs in motion such as the heart and its arteries can be studied.

  • Coronary CT: Allows the study of the hearts arteries without catheterisation.
  • CT colonography (also Virtual Colonoscopy): By inserting a small tube in the rectum, air enters the colon and an acquisition is achieved. Following this procedure, at a special computer workstation the radiologist will reconstruct the image and study the walls of the colon to detect polyps (Vcolono).
  • CT Angiography (the study of arteries through CT scanning):  A frequently requested test for studying arteries. Its high resolution allows for the assessment of 1mm distal vessels. In many hospitals this test is necessary before planning treatment for aneurysms or obstruction of arteries (VTAC).
  •  Extension and staging studies of neoplasm: By acquiring the whole body in seconds, it enables the search for metastasis or neoplasia. Likewise, you can perform dynamic studies to assess liver injury.
  • Studies of pulmonary parenchyma: Test of choice for the assessment of bronchiectasis, lung fibrosis or the search for neoplasms.
  • Emergency scans:  Assessment of polytrauma, bone fractures, torn aorta, lung embolism …
  • Brain scans: It is probably the most frequent test. It allows to assess haemorrhages, suspected ischemic strokes, skull fractures, brain tumours…

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