13 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Honeycombing 4. ... #Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Honeycombing. 4. ... #Clinical #Radiology ... #HRCT #CTChest ... #LowAttenuation ... #Comparison #Table
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
#Diagnosis #Radiology ... #Pulmonary #CTChest ... #LowAttenuation ... Differential #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
knowledge about imaging ... low attenuation (table ... histiocytosis or honeycombing ... pattern on a CXR ... #Diagnosis #Radiology
The CXR demonstrates a reticular interstitial pattern with a preference at the lung bases.
The HRCT demonstrates
pattern with a ... #Clinical #Radiology ... #CXR #UIP #CTChest ... #Pattern #Honeycombing ... TractionBronchiectasis #RadiologyAssistant
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
#PatientInfo #Radiology ... Radiation #Doses #Imaging ... #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks
High Attenuation pattern (2) 
1. Non specific interstitial pneumonitis (NSIP): ground glass with traction bronchiectasis, no
bronchiectasis, no honeycombing ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table ... #RadiologyAssistant
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
On a chest X-ray ... a reticular pattern ... #Clinical #Radiology ... #CXR #UIP #Reticular ... 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
200 CXRs Chest ... #Radiology #Background ... Radiation #Doses #Imaging ... #CT #Nuclear #Comparison ... #Table #Risks #
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
mSv 7 weeks #PatientInfo ... #Radiology #Background ... #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #