12 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: round cysts, evenly ... child-bearing age ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Diagram of different types of bone tumors that can occur around the knee on XRay -
knee on XRay - Age ... cyst • Aneurysmal ... bone cyst • Osteoid ... #Differential # ... Radiology #XRay
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... child-bearing age ... bizarre shaped cysts ... #Clinical #Radiology ... #HRCT #CTChest
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
multiple thick walled cysts ... (LAM): regular cysts ... child-bearing age ... #Clinical #Radiology ... #HRCT #CTChest
Diagram of different types of bone tumors that can occur around the knee on XRay -
knee on XRay - Age ... degenerative subchondral cyst ... #Differential # ... Radiology #XRay ... #msk #lesions #adult
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... common tumour in adults ... Cyst Malignant ... - 66% of adult ... Causes #Oncology #Radiology
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
cyst • Aneurysmal ... bone cyst • Osteoid ... degenerative subchondral cyst ... #Differential # ... Diagnosis #Radiology
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
them from cysts ... Cysts occur without ... Cysts usually contain ... #CTChest #Cavity ... #Cyst #Emphysema
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 ... #Diagram #Comparison ... TractionBronchiectasis #Cysts
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
before the typical cysts ... Clinical #Diagnosis #Radiology ... #Pulmonary #CTChest ... NodularPattern #Differential ... #Comparison #Table