22 results
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 ... Radiology #Pulmonary #HRCT ... #CTChest #NodularPattern
The distribution of nodules shown on HRCT is the most important factor in making an accurate
The distribution ... nodules shown on HRCT ... Radiology #Pulmonary #HRCT ... #NodularPattern ... Perilymphatic #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
perilymphatic distribution ... perilymphatic distribution ... bronchiolitis: ill ... Nodular #Pattern #NodularPattern ... #Differential #Comparison
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... perilymphatic distribution ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Radiology #Pulmonary #HRCT ... Differential #Table #Distribution
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Central Distribution ... , Febrile / Ill: ... Afebrile, non-ill ... , Febrile / Ill, ... Papules #Rash #Algorithm
Diagnostic algorithm for idiopathic pulmonary fibrosis, in part adapted from the ATS/ERS consensus statement. HRCT =
Diagnostic algorithm ... HRCT = high-resolution ... computerised tomography; ILD ... #IPF #UIP #Algorithm
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
perilymphatic distribution ... Clinical #Radiology #HRCT ... Nodular #Pattern #Comparison
Approach to the diagnosis of chronic hypersensitivity pneumonitis. 
*Consider additional test: bronchoscopy with bronchoalveolar lavage, transbronchial
hypersensitivity pneumonitis; HRCT ... pulmonary #diagnosis #algorithm ... #HP #ILD
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
Subacute stage: - RB-ILD ... show very similar HRCT ... strong lower zone distribution ... #CTChest #UIP #Comparison ... Fibrosis #Mimic #ILD