8 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : round cysts, evenly ... : 'signet ring sign ... #Radiology #CTChest ... Comparison #Table #RadiologyAssistant
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
atelectasis on CT ... 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
Comet Tail Sign ... hilum • DDx: Rounded ... #Comet #Tail #Sign ... #CT #Lung #Pulmonary ... #diagnosis #radiology
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
Water Lily Sign ... (Camalote Sign) ... cyst in the lung ... .2016.12.033 #WaterLily #Sign ... #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 ... feeding vessel sign ... feeding vessel sign ... #Clinical #Radiology ... SepticEmboli #Cavity #RadiologyAssistant
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... the peripheral lung ... A signet-ring sign ... bronchitis, COPD and cystic ... #Diagnosis #Radiology
he CT shows a lesion that originates in the lung.
Many would have a lungcancer on the
he CT shows a lesion ... originates in the lung ... their differential diagnostic ... the comet tail sign ... Atelectasis #CometTail #Sign
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... signs of congestive ... the differential diagnostic ... #Clinical #Radiology ... IntersitialEdema #Septal #RadiologyAssistant