11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... bronchiectasis: 'signet ring ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring ... trapping A signet-ring ... dilated bronchus (ring ... The most common cause ... #Diagnosis #Radiology
On the left another typical case of sarcoidosis.
In addition to the perilymphatic nodules, there are multiple
another typical case ... located in the upper ... #Clinical #Radiology ... #CTChest #Sarcoidosis ... #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
patterns on a chest ... opacities - Fine Nodular ... Atelectasis #Diagnosis ... #Clinical #Radiology ... Consolidation #Patterns #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... seen and in many cases ... #Diagnosis #Radiology ... #Differential #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
determine the cause ... between these chest ... #Clinical #Diagnosis ... #Radiology #CXR ... #RadiologyAssistant
On the left we see focal irregular septal thickening in the right upper lobe in a
thickening in the right upper ... that support this diagnosis ... #Clinical #Radiology ... #CTChest #SeptalThickening ... Carcinomatosis #RadiologyAssistant
Basic Interpretation
A structured approach to interpretation of HRCT involves the following questions:
What is the dominant HR-pattern:
reticular
nodular
high
random) Is there an upper ... bronchiectasis) #Diagnosis ... #Radiology #Pulmonary ... #HRCT #CTChest ... Algorithm #ILD #RadiologyAssistant
On the left a typical case of perilymphatic distribution of nodules in a patient with sarcoidosis.
Notice
sarcoidosis is an upper ... #Clinical #Radiology ... #CTChest #Sarcoidosis ... Peribronchovascular #Nodular ... #RadiologyAssistant
On the left a chest film of a 19 year old patient with Langerhans cell histiocytosis.
The
this pattern was caused ... challenging differential diagnosis ... The upper lobe predominance ... #Clinical #Radiology ... Histiocytosis #Cystic #RadiologyAssistant