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CAT scan is often combined with _____(a) PET(b) SPECT(c) Fluoroscopy(d) MRIThe question was posed to me in unit test.My question is based upon Computerized Axial Tomography in section Diagnostic Investigation via Imaging Techniques of Clinical Science

Answer»

Right answer is (a) PET

Easiest EXPLANATION: PET scan is used to look into the metabolic ACTIVITIES while the CT scan is used to look into the anatomical STRUCTURE of the organ. Thus, while a CT scan may hint the PRESENCE of a tumour, a PET scan can confirm if the tumour is benign or malignant.



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