13 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Diagnosis #Radiology ... #Cysts #Differential
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
the peripheral lung ... patients with chronic ... bronchitis, COPD and cystic ... #Diagnosis #Radiology ... #RadiologyAssistant
Comet Tail Sign on Chest CT
 • Curvilinear pleural based opacity directed towards the ipsilateral hilum
Comet Tail Sign ... • DDx: Rounded atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Air Bronchogram Sign on Chest CT
 • Patent airways surrounded by opacified lung
 • DDx: pna,
Air Bronchogram Sign ... non-obstructive atelectasis ... #CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
on Chest CT • Hydatid ... cyst in the lung ... #Camalote #CT # ... #diagnosis #radiology ... #clinical
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
Rounded atelectasis
The typical findings of rounded atelectasis on CT are pleural thickening, pleural-based mass and comet
on CT are pleural ... and comet tail sign ... The underlying lung ... #Diagnosis #Radiology ... #RadiologyAssistant
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 ... the top of their differential ... diagnostic list ... #Clinical #Radiology
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
no evidence of cystic ... Nasal polyps and signs ... high-resolution chest CT ... Bronchiectasis #pulmonary #differential ... #diagnosis
CT will also demonstrate signs of congestive heart failure.
On the image on the left notice the
CT will also demonstrate ... signs of congestive ... be high in the differential ... diagnostic list ... #Clinical #Radiology