hrct chest

 

HRCT chest  indication ,Technique and Procedure

Indication

• Chronic cough. 
• Trauma to chest.
• Chest pain. 
• Fever.  
• Cough.
• Haemoptysis.
• Shortness of Breath.
• Bronchiectasis.
• Cystic lung disease.
• Small airways disease.
• Pulmonary micronodules.
• Cancer history.
• Interstitial lung disease. 

Technique 

• Patient preparation : Remove metallic objects including earrings, necklaces.
• Patient positioning: Patient lying in supine position, arms positioned comfortably   above the head in the head-arm rest, lower legs supported.
• Tube voltage : 120 to 130 kVp.
• mAs : 100
• Scout : Thorax apex to diaphragm.
• Scan direction : Caudocranial.
• Scan geometry Slice thickness 5.0 mm. or 1mm
• Respiration phase :  Breath hold.

Contrast protocol : (if needed)

• Non-contrast performed first.
• Delayed phase post-contrast acquisition.
• Post-contrast 50 cc hand injection.

 Reconstructions : If you want to reconstruct thin slices in every 10 or 20 mm instead of 15   mm as predefined, simply change the Feed/Scan before loading the mode.

HRCT Scan of Chest full work " SIEMENS"