Colonic polyp,EBT scan

Numéro d’image : 11841918
Colonic polyp,EBT scan
Colonic polyp. Coloured 3-D electron beam tomography (EBT) scan of the colon showing a polyp (benign tumour,upper left). EBT provides clearer,more detailed information about body tissues than CT (computed tomography) scans & reduces the time patients are exposed to dangerous radiation. EBT involves firing an electron beam against tungsten targets arranged in a 210 degree arc below the patient. These produce X-rays which pass through the patient. A computer is able to produce cross- sectional (slice) images of the body tissues,and 3-D images can be built up by combining many slices. Polyps are usually removed surgically as they cause obstruction and may become cancerous
Licence : Droits gérés
Crédit: Science Photo Library / King-Holmes, James
Taille de l’image : 3543 px × 3527 px
Model Release : Non requis
Property Release : Non requis
Restrictions : -

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