20 results
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison ... #Table #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Cystic LCH: - LAM ... : round cysts, evenly ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Comparison #Table
Effective radiation dose in adults - Following are comparisons of effective radiation dose in adults with
Following are comparisons ... #PatientInfo #Radiology ... Radiation #Doses #Imaging ... #CT #Nuclear #Comparison ... #Table #Risks
Medical Imaging - Radiation Dose
#PatientInfo #Radiology #Procedures #Imaging #Radiation #Doses #ChestXRay #CT #Nuclear #Stress #Comparison #Table
Medical Imaging ... Radiation Dose #PatientInfo ... #Radiology #Procedures ... Nuclear #Stress #Comparison ... #Table #Risks
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... diseases with a low ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
before the typical cysts ... #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
Pediatrics 2008 #PatientInfo ... #Radiology #Background ... Radiation #Doses #Imaging ... #CT #Nuclear #Comparison ... #Table #Risks #
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
knowledge about imaging ... nodular, high and low ... attenuation (table ... The cystic pattern ... #Diagnosis #Radiology
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Lesions on Various Imaging ... nodule, Hepatic cyst ... CT #MRI #POCUS #radiology ... differential #diagnosis #comparison ... #table #appearance