76 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... : 'signet ring sign ... Diagnosis #Radiology #CTChest ... #Differential #Comparison ... #Table #RadiologyAssistant
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... Malignant Cystic ... Lung, Colon, Breast ... Mass #Hepatology #Differential ... Diagnosis #Algorithm #Causes
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
(LAM): uniform cysts ... bizarre shaped cysts ... low attenuation areas ... Radiology #HRCT #CTChest ... Comparison #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
low attenuation areas ... (LAM): regular cysts ... Radiology #HRCT #CTChest ... LowAttenuation #Cystic ... Comparison #Table #RadiologyAssistant
Liver Mass - Differential Diagnosis Algorithm
Cystic:
 • Benign 
     - Simple: Simple
Liver Mass - Differential ... Simple: Simple cyst ... - secondary - Breast ... #Liver #Mass #Differential ... Diagnosis #Algorithm #Causes
Causes of Breast Disorders and Gynecomastia - Differential Diagnosis Algorithm
Breast Infection:
 - Lactational
Causes of Breast ... Gynecomastia - Differential ... Fibroadenoma - Cystic ... • Gross cyst ... #Gynecomastia #Differential
Causes of Ovarian Mass - Differential Diagnosis Algorithm
Hyperplastic:
 • Polycystic ovary
 • Endometrioid cyst
Functional:
 • Follicular
Causes of Ovarian ... Mass - Differential ... metastasis) • Breast ... #Ovary #Mass #Differential ... Diagnosis #Algorithm #Causes
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... Radiology #Pulmonary #CTChest ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Consolidation is synonymous with airspace disease.
When you think of the causes of consolidation, think of 'what
you think of the causes ... the alveoli and cause ... Radiology #Pulmonary #CTChest ... Consolidation #Differential ... #RadiologyAssistant
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... The cystic pattern ... When the cysts have ... seen and in many cases ... #RadiologyAssistant