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Posterior Mediastinal Mass - Differential Diagnosis
 • Neurofibroma
 • Neurosarcoma
 • Neuroblastoma
 • Ganglioneuroma
 • Meningocele
Posterior Mediastinal Mass ... - Differential ... • Paraspinal abscess ... • Small cell lung ... Diagnosis #pulmonary
Liver Mass - Differential Diagnosis Algorithm
Benign Cystic 
 • Cyst
 • Polycystic Liver Disease
 • Caroli's
Liver Mass - Differential ... Hemangioma • Focal Nodular ... • Adenoma • Abscess ... Lung, Colon, Breast ... ) #Liver #Mass
CAVITY – a useful mnemonic for the causes of a cavitating lung mass.

C = cancer
of a cavitating lung ... mass. ... abscess (TB, fungal ... Cavitary #Lesions #Differential ... #Lung #Pulmonary
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
- Emphysema - Lung ... Diagnosis #Radiology #Pulmonary ... LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Tree-in-bud
In centrilobular nodules the recognition of 'tree-in-bud' is of value for narrowing the differential diagnosis.
Tree-in-bud describes
narrowing the differential ... irregular and often nodular ... identified in the lung ... Pathophys #Radiology #Pulmonary ... TreeInBud #Diagram #RadiologyAssistant
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
arise within a mass ... the surrounding lung ... without associated pulmonary ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
Solitary Pulmonary Nodule
Click here for more detailed information about Solitary Pulmonary Nodule
A solitary pulmonary nodule or
surrounded by lung ... The differential ... the same as of a mass ... SolitaryPulmonaryNodule #Differential ... #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
diseases with a nodular ... Diagnosis #Radiology #Pulmonary ... NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... infections • Nodular ... complicate MAC pulmonary ... infiltrates NTM Pulmonary ... NTM #Infections #differential
Differential diagnosis on HRCT
Most of our knowledge about imaging findings in interstitial lung disease comes from
Differential diagnosis ... in interstitial lung ... is interstitial lung ... Diagnosis #Radiology #Pulmonary ... #RadiologyAssistant