9 results
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
there are four patterns ... low attenuation (table ... common pattern ... The cystic pattern ... Diagnosis #Radiology #Pulmonary
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
Anteroposterior and ... CT 3 mSv 150 CXRs ... PatientInfo #Radiology #Background ... #CT #Nuclear #Comparison ... #Table #Risks #
Characteristics of Selected Pneumonias

Streptococcus pneumoniae (pneumococcus). Gram-positive diplococci. 
Haemophilus influenzae. Pleomorphic gram-negative coccobacilli. 
Staphylococcus aureus. Plump
PMNs and monocytes ... #Pneumonia #Patterns ... #Diagnosis #Comparison ... #Table #Presentation ... #Pulmonary
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
diagnosis The table ... to look at the pattern ... more than one pattern ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
) — Abdomen and ... PatientInfo #Radiology #Background ... Imaging #ChestXRay #CXR ... #CT #Nuclear #Comparison ... #Table #Risks #
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
kaolin, mica, and ... Calcification (seen in CT ... typical eggshell pattern ... clinical #radiology #CXR ... XRay #labeled #pulmonary
Reticular pattern 
1. Lymphangitic carcinomatosis: irregular septal thickening, usually focal or unilateral 50% adenopathy', known carcinoma.
2.
Reticular pattern ... Cardiogenic pulmonary ... gravitational and ... CTChest #Reticular #Pattern ... #Comparison #Table
The chart below (from the FDA) shows radiation exposure with a variety of procedures and how
of procedures and ... compares to the background ... Imaging #ChestXRay #CXR ... #CT #Comparison ... #Table #Risks
Fleischner Society recommendations for follow-up of nodules
Previous chest radiographs should be reviewed to determine if the
lesion has been stable ... with a benign pattern ... probability: PET-CT ... contrast-enhanced CT ... Society #Followup #Pulmonary