158 results
More common & convincing pneumonia mimics 

Aspiration pneumonitis, 
Pulmonary vasculitis, 
Acute eosinophilic pneummia,  
Cryptogeric organizing
common & convincing pneumonia ... pneumonitis, Pulmonary ... Acute eosinophilic pneummia ... Emboli #Pneumonia ... #Mimics #Differential
Etiologies of pulmonary infections according to CT-scan patterns. 
CMV cytomegalovirus, GM galactomannan, HSV herpes simplex virus,
Etiologies of pulmonary ... herpes simplex virus ... Varicella–Zoster virus ... #CT #Patterns #Pulmonary ... ComputedTomography #Differential
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... pseudomallei, hanta virus ... Others: - Pulmonary ... #NonResolving #Pneumonia ... #differential
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Infections in HIV - Differential ... , Cryptococcal pneumonia ... - 20% of pneumonias ... Infections #HIV #AIDS #pulmonary ... #differential #
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... • Eosinophilic pneumonia ... Acute, Chronic • Pulmonary ... ILD #diagnosis #differential ... #pulmonary #causes
Bronchiectasis: diagnosis and management 

Causes of localized -> diffuse bronchiectasis
Foreign body, Bronchial stenosis (tumor, .. ),
cough, Bacterial pneumonia ... , Virus, measles ... diagnosis #management #Differential ... workup #algorithm #pulmonary
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... , Pulmonary embolism ... , Lipid pneumonia ... NonInfectious #Differential ... #Diagnosis #pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... cryptogenic organizing pneumonia ... chronic eosinophilic pneumonia ... Diagnosis #Radiology #Pulmonary ... HRCT #ChestCT #Differential
Chest Pain - Differential Diagnosis Algorithm
Cardiovascular Causes:
 - Outflow Obstruction
     • Aortic
Chest Pain - Differential ... • Myocarditis Pulmonary ... Parenchymal • Pneumonia ... Herpes Simplex Virus ... Noncardiac #Cardiology #Differential
Hand, Foot, and Mouth Disease: A febrile illness (caused by Coxsackie Virus) associated vesicle formation on
caused by Coxsackie Virus ... Goldberg, M.D. - UCSD ... Catalog of Clinical ... Images #Clinical ... Coxsackie #Vesicle #UCSDH