23 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
: 'signet ring sign ... Clinical #Diagnosis #Radiology ... #CTChest #Cystic ... #Cysts #Differential ... #Comparison #Table
Primary Bone Tumors - Differential Diagnosis Algorithm 

Metastatic - Most common tumour in adults
 - Breast
- Differential ... Friboxanthoma • Fibrous ... Cyst Malignant ... Diagnosis #Algorithm #Orthopedics ... Causes #Oncology #Radiology
Diagram of different types of bone tumors that can occur around the knee on XRay
Age <
< 30 years: • Fibrous ... bone cyst • Osteoid ... blade of grass sign ... #Differential # ... Diagnosis #Radiology
Diagram of different types of bone tumors that can occur around the knee on XRay -
different types of bone ... sequestrum, cloaca, and ... blade of grass sign ... #Differential # ... Radiology #XRay
Bone Tumor Location within the Skeleton

Epiphysis: 
Only a few lesions are located in the epiphysis, so
cyst must be added ... to the differential ... , Enchondroma, Fibrous ... Diaphysis #Epiphysis #Radiology ... #MSK #Differential
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
or tumor cells (Table ... Even fibrosis as ... #Diagnosis #Radiology ... #Pulmonary #CTChest ... Consolidation #Differential
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... with end-stage fibrosis ... Clinical #Diagnosis #Radiology ... #CTChest #Cavity
Highlighted Conditions With Arteritis or Periarteritis of the Coronaries
Takayasu's arteritis:
 - Onset < 40 yrs
 -
disease: - Oral and ... Erdheim-Chester disease: - Bone ... Coronaries #Arteritis #Differential ... #Diagnosis #Cardiology ... #Table
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
dilatation (signet-ring sign ... A signet-ring sign ... cystic fibrosis ... #Diagnosis #Radiology ... Bronchiectasis #Differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... low attenuation (table ... The cystic pattern ... When the cysts have ... #Diagnosis #Radiology