19 results
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
Perilymphatic nodules ... the overlap in differential ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... TB: Tree-in-bud appearance ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Algorithm for nodular pattern
The algorithm to distinguish perilymphatic, random and centrilobular nodules is the following:
- Look
Algorithm for nodular ... centrilobular nodules ... Diagnosis #Radiology #Pulmonary ... #HRCT #CTChest ... #Differential #
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
- Aspiration - Pulmonary ... Diagnosis #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... patterns: reticular, nodular ... low attenuation (table ... Diagnosis #Radiology #Pulmonary ... Interstitial #Pattern #Differential
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
centrilobular nodules ... narrowing the differential ... describes the appearance ... irregular and often nodular ... Pathophys #Radiology #Pulmonary
Appearance of Liver Lesions on Various Imaging Modalities
 • Computed Tomography (CT) - Arterial Phase, Portal
Appearance of Liver ... , Dysplastic nodule ... POCUS #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Appearance of Liver Lesions on Computed Tomography (CT) - Arterial Phase, Portal Venous Phase and Delayed
Appearance of Liver ... , Dysplastic nodule ... CT #radiology #differential ... diagnosis #comparison #table ... #appearance #hepatology
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
nodosa: - Skin nodules ... sinusitis - pulmonary ... nodules - Hemoptysis ... Coronaries #Arteritis #Differential ... Diagnosis #Cardiology #Table