12 results
Chronic hypersensitivity pneumonitis
The key findings in chronic hypersensitivity pneumonitis are:
Mosaic pattern with areas of ground-glass atenuation
pneumonitis The ... The HRCT shows a ... #Clinical #Radiology ... #Pneumonitis #HypersensitivityPneumonitis ... Chronic #Fibrosis #RadiologyAssistant
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity ... #Clinical #Radiology ... #HRCT #CTChest ... Pattern #Comparison #Table ... #RadiologyAssistant
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
histiocytosis - Hypersensitivity ... pneumonitis - Sarcoidosis ... #Pulmonary #HRCT ... #ChestCT #Differential ... #Table #Distribution
This patient presented with acute dyspnoe and a normal chest film (not shown).
The HRCT at presentation
A control HRCT ten ... pneumonitis. ... #Clinical #Radiology ... #Pneumonitis #HypersensitivityPneumonitis ... #Resolution #RadiologyAssistant
On the left a patient with ground glass pattern in a mosaic distribution.
Some lobules are involved
The differential ... are confluent, HRCT ... #Clinical #Radiology ... MosaicAttenuation #Mosaic #HypersenstitivityPneumonitis ... #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Pneumonitis. ... show very similar HRCT ... #Clinical #Diagnosis ... #Fibrosis #Mimic
On the left two different patients with similarl HRCT findings.
The left one is a smoker with
with similarl HRCT ... the right has hypersensitivity ... pneumonits. ... #Clinical #Radiology ... #ILD #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity ... #Clinical #Diagnosis ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
pneumonitis (2) ... included in the differential ... #Clinical #Radiology ... #Pneumonitis #HypersensitivityPneumonitis ... #Fibrosis #RadiologyAssistant
Differential diagnosis of TB.
Primary TB: Acute bacterial pneumonia
Secondary TB: Sarcoidosis, Silicosis, Pneumoconiosis
Endobronchial spread of TB: Bronchopneumonia,
Differential diagnosis ... Bronchopneumonia, Hypersensitivity ... pneumonitis Miliary ... #Clinical #Diagnosis ... #RadiologyAssistant