22 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... nodules and the nodular ... Radiology #Pulmonary #HRCT ... #Differential # ... RadiologyAssistant
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... Central #Peripheral #RadiologyAssistant
Sarcoidosis
In this case the chest x-ray shows subtle findings that could be described as fine reticulation.
In
In many cases a HRCT ... The HRCT - not shown ... demonstrated a fine nodular ... #Sarcoidosis #Nodular ... Interstitial #Pattern #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early nodular ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Nodular pattern ... Clinical #Radiology #HRCT ... #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
Radiology #Pulmonary #HRCT ... #ChestCT #Differential ... #Upper #Lower #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... on HRCT Most of ... patterns: reticular, nodular ... Interstitial #Pattern #Differential ... #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
on the basis of HRCT ... LowAttenuation #Differential ... Emphysema #SignetRing #RadiologyAssistant
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular ... MultipleNodules #Nodules #Differential ... #Algorithm #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
nodules shown on HRCT ... diagnosis in the nodular ... Radiology #Pulmonary #HRCT ... NodularPattern #Nodular ... Comparison #Diagram #RadiologyAssistant