31 results
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Nodular LCH: - Sarcoidosis ... : - LAM: round cysts ... #Differential # ... Comparison #Table #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... them from cysts ... Cysts occur without ... Emphysema #Comparison #RadiologyAssistant
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
Emphysema - Lung cysts ... LowAttenuation #Differential ... TractionBronchiectasis #Cysts ... Emphysema #SignetRing #RadiologyAssistant
Nodular pattern(2)
1. Sarcoidosis: nodules with perilymphatic distribution, along fissures, adenopathy.
2. TB: Tree-in-bud appearance in a patient
Nodular pattern( ... histiocytosis: early nodular ... before the typical cysts ... HRCT #CTChest #Nodular ... Comparison #Table #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... before the typical cysts ... Pulmonary #CTChest #Nodular ... NodularPattern #Differential ... Comparison #Table #RadiologyAssistant
Pustular Skin Rash - Differential Diagnosis Algorithm
Pruritic / Scaly / Erythematous lesions, usually poorly demarcated
Acneiform -
Pustular Skin Rash - Differential ... Comedones +/- nodules, cysts ... , scars on face ... #dermatology #Differential
Liver Mass Differential Diagnosis
Solid:
 • Benign: Hepatic Hemangioma, Focal nodular hyperplasia, Hepatocellular adenoma, Regenerative nodules
 •
Liver Mass Differential ... Hemangioma, Focal nodular ... disease, Biliary cysts ... #Liver #Mass #Differential
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... Benign Cystic • Cyst ... Cystadenoma • Hydatid Cyst ... Hemangioma • Focal Nodular ... Mass #Hepatology #Differential
Perilymphatic distribution
Perilymphatic nodules are most commonly seen in sarcoidosis.
They also occur in silicosis, coal-worker's pneumoconiosis and
the overlap in differential ... nodules and the nodular ... Perilymphatic #Nodular ... #Differential # ... RadiologyAssistant
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Lung Nodule - Differential ... Change in Size: • Scar ... • Bronchogenic Cyst ... #Lung #Nodule #Differential