19 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... : 'signet ring sign ... central dot. - LIP #Clinical ... #Cysts #Differential ... #Comparison #Table
CT Lung Signs in Pulmonary Diseases - One Page Summary of Pulmonary Signs
 - Air Crescent
CT Lung Signs in ... - Bronchus sign ... sign - Feeding ... Lung #Signs #Pulmonary ... #differential #radiology
Feeding Vessel Sign on Chest CT
 • Distinct pulmonary vessel leading into a lung nodule or
Feeding Vessel Sign ... on Chest CT • ... CT #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... woman of child-bearing ... bizarre shaped cysts ... #Clinical #Radiology ... #Pattern #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... woman of child-bearing ... #Clinical #Radiology ... #Pattern #Comparison
Bronchus Sign on Chest CT
 • Airway leading directly to a peripheral lung nodule or mass
Bronchus Sign on ... leading directly ... #Sign #CT #Lung ... #Pulmonary #diagnosis ... #radiology #clinical
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... pattern can be readily ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts
Water Lily Sign (Camalote Sign) on Chest CT
 • Hydatid cyst in the lung with a
cyst in the lung ... • DDx: Hydatid cyst ... Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... associated pulmonary ... #Clinical #Diagnosis ... #Cavity #Cyst # ... Emphysema #Comparison
There is a hydropneumothorax.
Notice the air-fluid level (blue arrow).
The upper lobe is still attached to the
There is a lung cyst ... something to do with a cystic ... small airways leading ... to pulmonary cyst ... #Clinical #Radiology