29 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 ... #Radiology #CTChest ... #Cystic #Cysts ... #Differential #Comparison
Diagram of different types of bone tumors that can occur around the knee on XRay -
around the knee on XRay ... cyst • Aneurysmal ... bone cyst • Osteoid ... #Tumors #Diagnosis ... #Radiology #XRay
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
cyst • Aneurysmal ... bone cyst • Osteoid ... blade of grass sign ... degenerative subchondral cyst ... #Radiology #XRay
Diagram of different types of bone tumors that can occur around the knee on XRay -
around the knee on XRay ... blade of grass sign ... degenerative subchondral cyst ... #Tumors #Diagnosis ... #Radiology #XRay
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
On the left three different patients with lung cysts.
From left to right: Lymphangiomyomatosis, LIP and Langerhans
patients with lung cysts ... #Clinical #Diagnosis ... #Radiology #CTChest ... #Cystic #Comparison
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... #Clinical #Radiology ... #HRCT #CTChest ... #Pattern #Comparison
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
Osteoarthritis (OA): X-ray ... - Subchondral Cysts ... under the areas of bone-bone ... Osteoarthritis #OA #Xray ... #radiology #diagnosis
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
Cysts occur without ... Cysts usually contain ... #Radiology #CTChest ... #Cavity #Cyst # ... Emphysema #Comparison
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Differential #Diagram #Comparison ... TractionBronchiectasis #Cysts