23 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
attenuation or air-filled ... Lung cysts (LAM, LIP ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
Lymphangiomyomatosis, LIP ... #Clinical #Diagnosis ... CTChest #Cystic #Comparison ... #LAM #LIP #Histiocytosis ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... central dot. - LIP ... #Clinical #Diagnosis ... #Comparison #Table ... #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
In daily clinical ... In these cases comparison ... during a period of CHF ... #Clinical #Radiology ... Redistribution #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... usually contain air ... #Clinical #Diagnosis ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Pleural effusion is not always visible as a meniscus in the costophrenic angle. 
A subpulmonic effusion
with signs of CHF ... of the stomach air ... #Clinical #Radiology ... #CXR #CHF #Pleural ... SubpulmonicEffusion #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
#Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Hx of asthma, CF ... sx similar to AEP ... Diseases #pulmonary #differential ... #diagnosis #comparison
On the left a patient with CHF. 
There is an increase in heart size compared to
a patient with CHF ... Other signs of CHF ... that helpful, but comparison ... #Clinical #Radiology ... #Comparison #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
maybe there is an air-bronchogram ... dealing with the differential ... #Clinical #Radiology ... OrganizingPneumonia #BOOP #RadiologyAssistant