10 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis ... : ill defined centrilobular ... Hypersensitivity pneumonitis ... #Clinical #Radiology ... Nodular #Pattern #Comparison
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... NodularPattern #Differential ... #Comparison #Table
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Hypersensitivity pneumonitis ... edema #Diagnosis #Radiology ... HRCT #ChestCT #Differential
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Hypersensitivity Pneumonitis ... Subacute stage: - RB-ILD ... Clinical #Diagnosis #Radiology ... #CTChest #UIP #Comparison
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
smoker with RB-ILD ... hypersensitivity pneumonits ... #Clinical #Radiology ... CTChest #RBILD #Comparison ... HypersensitivityPneumonitis #ILD
Fungal Biomarkers: Beta-D-Glucan and Aspergillus Galactomannan
Beta-D-Glucan:
 • Polysaccharide cell wall component of many fungi
 • Pathogens:
BAL GM does not differentiate ... setting of GVHD) ID ... Galactomannan #diagnosis #comparison
Timeline of infections after solid organ transplantation can roughly be broken up into three time periods:
febrilepodcast.com] #ID ... #Infections #Differential ... Transplant #TxID #SOT #Comparison
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... Hypersensitivity pneumonitis ... Clinical #Diagnosis #Radiology ... CTChest #MiliaryTB #Comparison
On the left a smoker with RB-ILD with subtle HRCT-findings.
The dominant pattern is ground glass opacification.
Additional
smoker with RB-ILD ... there is a broad differential ... first think RB-ILD ... hypersensitivity pneumonitis ... #Clinical #Radiology
Lobar atelectasis or lobar collaps is an important finding on a chest x-ray and has a
has a limited differential ... produces only mild ... #Diagnosis #Radiology ... Collapse #Patterns #Comparison