20 results
The fourth pattern includes abnormalities that result in decreased lung attenuation or air-filled lesions.
These include:
- Emphysema
-
LowAttenuation #Differential ... #Diagram #Comparison ... Emphysema #SignetRing #RadiologyAssistant
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
Differential diagnosis ... Cystic #Cysts #Differential ... #Comparison #Table ... #RadiologyAssistant
Causes of Culture Negative Abscess - Differential Diagnosis Framework
Consider prior antibiotics as a cause of a
Causes of Culture Negative ... Abscess - Differential ... Consider prior antibiotics ... as a cause of a negative ... #Abscess #Differential
Infective endocarditis - etiology and sources of infection. 
 • Native and prosthetic 
valve endocarditis
 •
• Native and ... for TPN) and antibiotic ... Bacteria #Etiology #Differential
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
NodularPattern #Differential ... #Comparison #Table ... #RadiologyAssistant
Causes of Isolated Neutropenia - Differential Diagnosis Algorithm
Congenital
Medications
 • Anticonvulsants
 • Antibiotics
 • Antithyroid
 • Antihypertensive
Neutropenia - Differential ... Anticonvulsants • Antibiotics ... Bacteria • Gram Negative ... #Neutropenia #Differential
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
not respond to antibiotics ... dealing with the differential ... OrganizingPneumonia #BOOP #RadiologyAssistant
Approach to Eosinophilic Lung Diseases
 • Acute Eosinophilic Pneumonia (< 1 wk) - ~30yo, M; Recent
Variable) - NSAIDs, antibiotics ... Diseases #pulmonary #differential ... #diagnosis #comparison
Cavities frequently arise within a mass or an area of consolidation as a result of necrosis.
We
In the differential ... To differentiate ... Cyst #Emphysema #Comparison ... #RadiologyAssistant
The distribution of nodules shown on HRCT is the most important factor in making an accurate
randomly distributed relative ... Perilymphatic #Comparison ... #Diagram #RadiologyAssistant