11 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... child-bearing age ... Diagnosis #Radiology #CTChest ... #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
bronchiolitis: ill ... Radiology #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
Some lobules are ... The differential ... Clinical #Radiology #CTChest ... #GGO #MosaicAttenuation ... HypersenstitivityPneumonitis #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... honeycomb cysts are ... Diagnosis #Radiology #CTChest ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... fibrotic changes are ... Diagnosis #Radiology #CTChest ... #UIP #Comparison ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
upper lung fields are ... films are taken ... In these cases comparison ... with old fims can ... Redistribution #RadiologyAssistant
Mosaic attenuation
The term 'mosaic attenuation' is used to describe density differences between affected and non-affected lung
There are patchy ... Radiology #Pulmonary #CTChest ... #MosaicAttenuation ... #Attenuation #Differential ... #RadiologyAssistant
It can be difficult to distinguish these three entities.
There are two diagnostic hints for further differentiation:
-
If the vesses are ... Clinical #Radiology #CTChest ... #MosaicAttenuation ... #Attenuation #Comparison ... #RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... TB the nodules are ... Diagnosis #Radiology #CTChest ... #MiliaryTB #Comparison ... Metastases #Mimic #RadiologyAssistant
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... of atelectasis are ... produces only mild ... Collapse #Patterns #Comparison ... #RadiologyAssistant