9 results
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
Rounded atelectasis ... and comet tail sign ... The underlying lung ... #Diagnosis #Radiology ... #Atelectasis #RadiologyAssistant
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
hilum • DDx: Rounded ... atelectasis https ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... lumen - associated atelectasis ... and sometimes air ... #Diagnosis #Radiology ... #RadiologyAssistant
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Sign on Chest CT ... non-obstructive atelectasis ... #Bronchogram #Sign ... #diagnosis #radiology ... #clinical
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
diagnostic list ... Rounded atelectasis ... Rounded atelectasis ... #Clinical #Radiology ... #Sign #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic LCH: - LAM: round ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology
Septic emboli
Septic emboli usually present as multiple ill-defined nodules.
In about 50% cavitation is seen.
CT demonstrates more
can suggest the diagnosis ... abutting the pleura, air-bronchograms ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Chronic hypersensitivity pneumonitis (2)
The case on the left shows an inspiratory and expiratory scan: the mosaic
scan, indicating air ... Signs of fibrosis ... mid and lower lung ... included in the differential ... #Clinical #Radiology
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
also demonstrate signs ... be high in the differential ... diagnostic list ... #Clinical #Radiology ... IntersitialEdema #Septal #RadiologyAssistant