NMTCB CT imag UPDATED ACTUAL Questions and CORRECT Answers

NMTCB CT imag UPDATED ACTUAL Questions and CORRECT Answers

metastases in pulmonary parenchyma
pulmonary masses
pulmonary emboli
enlarged hilar lymph nodes
Chest CT pleural effusions
- indications tumor extension
thoracic abscesses
mediastinal masses
aortic aneurysms
evaluate heart and greater vessels
- arms raised over head - minimizes artifacts and expo-
sure
- AP localizer image
Chest scan - no gantry tilt
- helical scan in a single breath hold
- slices from above the apices of the lungs superiorly
through the adrenals
evaluate
- masses
- hilar masses
- lymphoma
- cardiac masses
Chest IV contrast
- enhance aorta and vessels

contrast
- may cause streak artifacts during bolus
- followed by a saline flush to minimize artifact
heart
great vessels
trachea
bronchi

, esophagus
thymus
Mediastinum CT
lymph nodes
- regions
thoracic duct
phrenic and vagus nerves
contrast
- rate 2 -4mL/sec
- scan delay time of 30 secs
- esophageal contrast agent may be used to coat esoph-
Mediastinum CT agus
- contrast
- scan scan
- axial slices
- apices of lungs superiorly to the adrenals
- 3mm axial and coronal slices recon
- soft tissue recon
locate nodules

contrast
- used to define between the mass and the mediastinal
Lung CT vessels
- contrast
- scan scan
- axial slices
- sternal notch superiorly through the adrenals inferiorly
- 3mm axial and coronal slices recon
- soft tissue and sharp recon

Low dose lung CT
- criteria
- scan