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Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
organizing pneumonia (COP ... #Diagnosis #Radiology ... HRCT #ChestCT #Differential
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
CT Patterns - Differential ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns #Differential ... Diagnosis #pulmonary #radiology
Bronchiectasis is defined as localized bronchial dilatation.
The diagnosis of bronchiectasis is usually based on a combination
chronic bronchitis, COPD ... #Diagnosis #Radiology ... Bronchiectasis #Differential
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
is necessary to differentiate ... a patient with COPD ... #Clinical #Radiology
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... to think of the differential ... called cryptogenic (COP ... #Diagnosis #Radiology ... Diffuse #Multifocal #Differential
Differential diagnosis of the reversed halo sign (RHS). AIA, angioinvasive aspergillosis; AIS, adenocarcinoma in situ; COP,
Differential diagnosis ... adenocarcinoma in situ; COP ... Diagnosis #Pulmonary #Radiology ... ReverseHaloSign #Differential
First-line therapies for Asthma, Asthma-COPD Overlap and COPD

The diagnosis of COPD, asthma, and ACO initially requires
Asthma, Asthma-COPD ... Overlap and COPD ... The diagnosis of COPD ... summary of the differential ... ACO = asthma-COPD
Pathogens in Pneumonia

Here is a quick review of the pathogens causing pneumonia (useful for enumerating differentials
for enumerating differentials ... H. influenzae (COPD ... Pseudomonas — COPD ... Legionella spp (COPD ... Pathogens #Pneumonia #Differential
Wheezing - Differential Diagnosis Framework - Not all that wheezes is asthma
Vibrations of turbulent flow against
Wheezing - Differential ... Paradoxical vocal cord ... motion, Vocal cord ... bronchi: - Asthma/COPD ... AnnKumfer #Wheezing #Differential
Autoimmune Hemolytic Anemia (AIHA) - Differential Diagnosis Table

Warm AIHA (48-70%)
Cold AHA (16-32%)
 • Donath-Landsteiner HA (paroxysmal
Anemia (AIHA) - Differential ... AIHA (48-70%) Cold ... HA (paroxysmal cold ... hemoglobinuria) • Cold ... #Anemia #AIHA #Differential