9 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... is seen in: - UIP ... edema #Diagnosis #Radiology ... #Pulmonary #HRCT ... #Differential #Table
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... #Clinical #Radiology ... #HRCT #CTChest ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Estimated Medical Radiation Doses for 5 Year-Old Child

3-view ankle	0.0015 mSv	1/14th CXRs
2-view chest	0.02 mSv	1 CXRs
Anteroposterior and lateral
Doses for 5 Year-Old ... Chest CT 3 mSv 150 ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #Comparison #Table
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... morphologic findings on HRCT ... #Diagnosis #Radiology ... IdiopathicInterstitialPneumonia #ILD ... #Findings #RadiologyAssistant
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
Computed Tomography (CT ... Computed Tomography (CT ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #Comparison #Table
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... show very similar HRCT ... Clinical #Diagnosis #Radiology ... Comparison #Chronic ... #RadiologyAssistant
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... Chest CT 3 mSv 12 ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #Comparison #Table
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
with subtle HRCT-findings ... these non-specific CT ... patient was coughing up ... #Clinical #Radiology ... #RadiologyAssistant
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
cells taking in 8 mSV ... #PatientInfo #Radiology ... Doses #Imaging #ChestXRay ... #CXR #CT #Comparison ... #Table #Risks