13 results
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
early nodular stage ... before the typical cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... (LAM): uniform cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Comparison #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
low attenuation (table ... On a Chest X-Ray ... detected on a chest ... When the cysts have ... #Diagnosis #Radiology
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
early nodular stage ... before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Comparison #Table
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
14th CXRs 2-view chest ... mSv 200 CXRs Chest ... #PatientInfo #Radiology ... Nuclear #Comparison #Table ... #Risks #Testing
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Diagnosis Algorithm ... Infarction • Stable ... /Unstable Angina ... ChestPain #Noncardiac #Cardiology ... Differential #Diagnosis #Algorithm
Radiation Dose to Adults from Common Imaging Examinations
ABDOMINAL REGION
 - Computed Tomography (CT) — Abdomen and
6 mSv 2 years CHEST ... ) — Chest 7 mSv ... #PatientInfo #Radiology ... Nuclear #Comparison #Table ... #Risks #Testing
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 ... calcification, further testing ... #Management #Radiology ... #CTChest #Fleischner
How much radiation is used in paediatric radiology examinations compared to other exposures?

Estimated dose - Days
in paediatric radiology ... mSv 8 months Chest ... #PatientInfo #Radiology ... Nuclear #Comparison #Table ... #Risks #Testing