52 results
Nodular pattern
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary TB: random nodules
3. Sarcoidosis: nodules with perilymphatic
Hypersensitivity pneumonitis: ill ... Nodular #Pattern #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern 
1. Lymphangiomyomatosis (LAM): uniform cysts in woman of child-bearing age; no history of
child-bearing age ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Phimosis 
Inability to retract the foreskin - Can be normal up to 3 years old -
up to 3 years old ... significant after age ... #Paraphimosis #Comparison
Differential diagnosis of Langerhans cell histiocytosis.
Nodular LCH:
- Sarcoidosis: perilymphatic distribution.
- Metastases: random distribution.
Cystic LCH:
- LAM: round
child-bearing age ... #Differential #Comparison ... #Table #RadiologyAssistant
Low Attenuation pattern (2) 
1. Centrilobular emphysema: low attenuation areas without walls. Notice the centrilobular artery
child-bearing age ... Cystic #Pattern #Comparison ... #Table #RadiologyAssistant
Here are the most common examples of these four patterns on a chest x-ray (click image
Here are the most ... consolidation - Multifocal ill-defined ... Consolidation #Patterns #RadiologyAssistant
On the left some diseases with a nodular pattern.
1. Hypersensitivity pneumonitis: ill defined centrilobular nodules.
2. Miliary
Hypersensitivity pneumonitis: ill ... bronchiolitis: ill ... #Differential #Comparison ... #Table #RadiologyAssistant
Toxidromes Compared: Anticholinergic, Cholinergic, Opioid, Sympathomimetic, Sedative-Hypnotic

During your physical exam, look for evidence of some of
There are a lot ... toxidrome that are ... little forced" "I'd ... highest order and I'd ... Toxicology #Toxidromes #Comparison
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
Notice that there are ... ill-defined and ... Probably we are ... possibility of multiple ill-defined ... OrganizingPneumonia #BOOP #RadiologyAssistant
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Chronic diseases are ... usually multiple ill-defined ... Other examples are ... The old name is ... Differential #Table #RadiologyAssistant