27 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Sarcoidosis Lower ... #Differential #Table ... #Distribution # ... Upper #Lower #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Central distribution ... Peripheral distribution ... #Differential #Table ... #Distribution # ... Central #Peripheral #RadiologyAssistant
Mechanisms of Lower Extremity Edema: #Diagnosis #Pathophys #EM #IM #Edema #Lower #LowerExtremity #Causes #Starling #Oncotic #Hydrostatic
Mechanisms of Lower ... Edema: #Diagnosis #Pathophys ... EM #IM #Edema #Lower ... Differential #Mechanism #Algorithm
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
perilymphatic distribution ... Metastases: random distribution ... cysts, evenly distribution ... Differential #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... pattern The algorithm ... in number, the distribution ... #Differential #Algorithm ... #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
perilymphatic distribution ... Pattern #Comparison #Table ... #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Pattern #Comparison #Table ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... Differential #Comparison #Table ... #RadiologyAssistant
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
air-bronchogram in the right lower ... is a peripheral distribution ... CXR #Peripheral #Distribution ... OrganizingPneumonia #BOOP #RadiologyAssistant
Stage I - Redistribution
In a normal chest film with the patient standing erect, the pulmonary vessels
Stage I - Redistribution ... This results in redistribution ... flow from the lower ... The term redistribution ... #RadiologyAssistant