8 results
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
Primary Bone Tumors ... in adults - Breast ... • Aneurysmal Bone ... Histiocytoma #Primary #Bone ... #Bony #Tumors #
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
Low Attenuation pattern ... low attenuation areas ... #Clinical #Radiology ... #Pattern #Comparison ... #Table #RadiologyAssistant
Osteoarthritis (OA): X-ray features 
 - Joint space narrowing (least specific)
 - Subchondral Cysts (pockets of
- Subchondral Cysts ... Osteophytes (Abnormal bone ... (Thickening of bone ... directly under the areas ... of bone-bone contact
High Attenuation pattern 
1. Chronic eosinophilic pneumonia with peripheral areas of ground glass opacity.
2. Sarcoid end-stage
with peripheral areas ... presenting as areas ... with peripheral areas ... consolidation #Clinical ... #Comparison #Table
Acute Liver Injury - Differential Diagnosis Algorithm

Vascular Causes of Acute Liver Injury: 
 • Hepatic vein:
Differential Diagnosis Algorithm ... Infiltration: Often breast ... CA, small cell lung ... Ascariasis, Choledochal cyst ... hemolysis) • ALP: Bone
Langerhans Cell Histiocytosis (LCH)

Granulomatous Lesions comprising langerin-positive histiocytes and an inflammatory infiltrate can arise in virtually
particular affinity for bone ... SPECTRUM Common areas ... pituitary gland • Bone ... Lungs: Cysts (esp ... Liver, Spleen, Bone
On the left a patient who is treated with cytotoxic drugs for a hematologic malignancy.
The radiographic
radiographic findings are areas ... However it is not one ... or NSIP pattern ... consider drug-related lung ... #Clinical #Radiology