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Mediastinal masses are discussed in more detail in Mediastinal masses.
Here is just a brief overview. #Diagnosis
Mediastinal masses ... #Diagnosis #Radiology ... #Differential # ... Table #Anterior ... Middle #Posterior #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM ... : 'signet ring sign ... #Diagnosis #Radiology ... #Comparison #Table
The table on the left is the overall table for mediastinal masses.
In the next paragraphs we
#Diagnosis #Pulmonary ... #Radiology #Mediastinal ... #Mass #Differential ... #Table #Anterior ... Middle #Posterior #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... patients with chronic ... COPD and cystic fibrosis ... #Diagnosis #Radiology ... #RadiologyAssistant
Longstanding Sarcoidosis
Here a typical chest film in a patient with long standing Sarcoidosis (stage IV).
There is
The differential ... diagnosis includes ... chronic hypersensitivity ... #Clinical #Radiology ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
densities in both lungs ... dealing with the differential ... diagnosis of chronic ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
HP (right) Differential ... In chronic HP fibrotic ... throughout the whole lung ... #Clinical #Diagnosis ... #Radiology #CTChest
UIP
UIP is a histologic pattern of pulmonary fibrosis.
On a chest X-ray UIP manifests as a reticular
pattern of pulmonary fibrosis ... to confirm the diagnosis ... attributed to chronic ... #Clinical #Radiology ... #Honeycombing #RadiologyAssistant
On the left two cases with chronic consolidation. 
There are patchy non-segmental consolidations in a subpleural
The final diagnosis ... will be other signs ... look like this #Clinical ... #Radiology #CTChest ... OrganizingPneumonia #RadiologyAssistant
Sarcoidosis - Diagnosis and Management Summary
Epidemiology
1) High incidence in Scandinavian countries (11-24 cases per 100,000 individuals
granulomas within the lungs ... renal failure Clinical ... but stable or chronic ... papules, nodules; anterior ... #Management #Signs