86 results
The distribution of nodules shown on HRCT is the most important factor in making an accurate
centrilobular or random ... Random refers to ... Random distribution ... Nodules are randomly ... Comparison #Diagram #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Miliary TB: random ... Pattern #Comparison #Table ... #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
- Metastases: random ... Differential #Comparison #Table ... #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
perilymphatic, random ... pattern is either random ... it is likely a random ... Differential #Algorithm #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Miliary TB: random ... Differential #Comparison #Table ... #RadiologyAssistant
Random distribution of nodules in miliary tuberculosis #Clinical #Radiology #CTChest #Random #MiliaryTB #Miliary #RadiologyAssistant
Random distribution ... Radiology #CTChest #Random ... MiliaryTB #Miliary #RadiologyAssistant
Multiple masses
The differential diagnostic list of multiple masses is very long.
The most important diagnoses are listed
listed in the table ... #Differential #RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
#Differential #Table ... Central #Peripheral #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
#Differential #Table ... #Upper #Lower #RadiologyAssistant
Since these risk factors are numerous and have different effects on the malignancy risk, it is
malignancy [8](Table ... PulmonaryNodule #RadiologyAssistant