23 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... #Radiology #CTChest ... #Comparison #Table ... #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
Multiple masses ... of multiple masses ... consolidations from masses ... #Management #Radiology ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... Nodule - Multiple Masses ... Atelectasis #Diagnosis ... Clinical #Radiology #CXR ... Consolidation #Patterns #RadiologyAssistant
Cystic versus Reticular
It can be difficult to determine whether we are dealing with a reticular pattern
The CXR is of a ... LCH is called a ... In many of such cases ... #CTChest #Cystic ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
supplying the lung bases ... non-perfused vessels and causes ... apex and the lung bases ... In these cases comparison ... Clinical #Radiology #CXR
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... seen and in many cases ... #Diagnosis #Radiology ... Interstitial #Pattern #Differential ... #RadiologyAssistant
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
• Most common cause ... breath sounds • Rales ... Blood cultures • CXR ... early disease) • CXR ... #causes #management
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
particularly at the lung bases ... In many cases you ... to confirm the diagnosis ... pattern at the lung bases ... #Honeycombing #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
multiple ill-defined masses ... dealing with the differential ... diagnosis of chronic ... Clinical #Radiology #CXR ... OrganizingPneumonia #BOOP #RadiologyAssistant
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
countries (11-24 cases ... Americans (18-71 cases ... mortality: 9-14 cases ... symptoms are not caused ... e.g. incidental CXR