55 results
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... is seen in: - UIP ... #Radiology #Pulmonary ... #HRCT #ChestCT ... #Differential #Table
Halo Sign on Chest CT
 • SPN or mass surrounded by a circumferential GGO
 • DDx:
Halo Sign on Chest ... CT • SPN or mass ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... Feeding #Vessel #Sign ... #diagnosis #radiology ... #clinical
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... central dot. - LIP ... #Clinical #Diagnosis ... #Radiology #CTChest ... Differential #Comparison #Table
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
lesions than the chest ... can suggest the diagnosis ... The chest film shows ... #Clinical #Radiology ... #CXR #CTChest #
Usual Interstitial Pneumonia (UIP) pattern on Chest CT
75 M with progressive dyspnea. Typical usual interstitial pneumonia
Interstitial Pneumonia (UIP ... ) pattern on Chest ... CT 75 M with progressive ... radiology #pulmonary ... #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... on Chest CT • ... edema, severe ILD ... #diagnosis #radiology ... #clinical
Tram Track Sign on Chest CT
 • Parallel, non-tapering airways, extending to the lung periphery.
 •
Tram Track Sign ... on Chest CT • Parallel ... bronchiectasis, CF, ILD ... #diagnosis #radiology ... #clinical
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
listed in the table ... findings of NSIP, UIP ... , OP and LIP have ... #Diagnosis #Radiology ... #Pulmonary #CTChest
On the left a chest film of a patient with UIP due to IPF.
The findings on
On the left a chest ... a patient with UIP ... findings on the chest ... preference also think 'UIP ... #Clinical #Radiology