22 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... LIP #Clinical #Diagnosis ... #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Diagram of different types of bone tumors that can occur around the knee on XRay -
< 30 years • Fibrous ... bone cyst • Osteoid ... #Tumors #Diagnosis ... #Bony #Differential ... #Radiology #XRay
Upper lung zone preference is seen in:
- Inhaled particles: pneumoconiosis (silica or coal)
- Smoking related diseases
bronchiolitis (RB-ILD ... Pulmonary edema #Diagnosis ... #Radiology #Pulmonary ... HRCT #ChestCT #Differential ... #Table #Distribution
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
diagnosis. ... cyst must be added ... sarcoma, SBC, ABC ... , Enchondroma, Fibrous ... Diaphysis #Epiphysis #Radiology
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
< 30 years: • Fibrous ... cyst • Aneurysmal ... bone cyst • Osteoid ... #Differential # ... Diagnosis #Radiology
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... Diagnosis Algorithm ... Friboxanthoma • Fibrous ... Cyst Malignant ... Causes #Oncology #Radiology
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 ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
UIP with honeycombing (left) and chronic HP (right)
Differential diagnosis of Hypersensitivity Pneumonitis.
Subacute stage:
- RB-ILD: seen in
chronic HP (right) Differential ... Subacute stage: - RB-ILD ... strong lower zone distribution ... #Radiology #CTChest ... #Mimic #ILD #RadiologyAssistant
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
Centrilobular distribution ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #GroundGlass #Differential ... #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... diagnosis there ... with end-stage fibrosis ... #Radiology #CTChest ... Emphysema #Comparison #RadiologyAssistant