112 results
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
loss, lethargy, fever ... • Fever, weight ... be normal • Fever ... : • (Fever, weight ... Infections #HIV #AIDS #pulmonary
Interstitial pneumonias
An acute reticular pattern is most frequently caused by interstitial edema due to cardiac heart
Interstitial pneumonias ... PCP Mycoplasma pneumonia ... cough and some fever ... #Clinical #Radiology ... #PJP #RadiologyAssistant
Fever in Returning Travelers from Tropical Regions - Frequent Differential Diagnoses
Medical History:
 • Skin exposure to
Fever in Returning ... , Dengue fever, ... Cough, dyspnea - Pneumonia ... melioidosis, typhoid, pulmonary ... eosinophilia - Tropical pulmonary
Central distribution is seen in sarcoidosis and cardiogenic pulmonary edema.
Peripheral distribution is mainly seen in cryptogenic
and cardiogenic pulmonary ... chronic eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #HRCT ... Central #Peripheral #RadiologyAssistant
Based on the images alone, it is usually not possible to determine the cause of the
Lobar pneumonia ... with cough and fever ... with low oxygen level ... Clinical #Diagnosis #Radiology ... Consolidation #Causes #RadiologyAssistant
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
of organizing pneumonia ... cough, dyspnea, fever ... , Pulmonary lymphoma ... #COP #BOOP #pulmonary ... ILD #diagnosis #management
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
Non-Resolving Pneumonias ... yersinia/rats, Q fever ... Others: - Pulmonary ... #NonResolving #Pneumonia ... #diagnosis #pulmonary
On the left a case of chronic eosinophilic pneumonia.
It was a patient with low-grade fever, progressive
chronic eosinophilic pneumonia ... with low-grade fever ... #Clinical #Radiology ... #Eosinophilic #Pneumonia ... EosinophilicPneumonia #RadiologyAssistant
Lobar consolidation
The most common presentation of consolidation is lobar or segmental.
The most common diagnosis is lobar
diagnosis is lobar pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR ... #Differential #RadiologyAssistant
Eosinophilic Pneumonia
When to suspect Eosinophilic Pneumonia? Non-resolving pneumonia + BAL > 25% eosinophils + excluded more
Eosinophilic Pneumonia ... Non-resolving pneumonia ... tobacco hx - Fever ... Consolidations AKA "inverse pulmonary ... #diagnosis #pulmonary