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Based on the images alone, it is usually not possible to determine the cause of the
considered, like acute ... or chronic illness ... between these chest ... this is nodular interstitial ... Diagnosis #Radiology #CXR
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
chronic consolidation ... organizing pneumonia (OP ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation ... #Acute #Chronic
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
Lymphangitic Carcinoma, Interstitial ... Eos PNA • Chronic ... , Chronic Eos PNA ... Hemorrhage, Edema • Consolidation ... Honeycombing: Idiopathic Pulmonary
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... opacities, Unilateral consolidation ... • HRCT: patchy consolidation ... organizing pneumonia, Chronic ... #BOOP #pulmonary
Causes of Chronic Dyspnea - Differential Diagnosis Algorithm
Pericardial
 • Effusion
 • Cardiac Tamponade*
 • Constriction
Myocardial
 •
Causes of Chronic ... Stable Angina • Acute ... Thickening/Masses Chest ... Interstitium ... • ILD • CHF
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Physical stigmata of cor ... centrilobular nodules, or consolidation ... high-resolution chest ... Laboratory: • ANA, RF, CCP
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
• Pleuritic CP ... dyspnea • Lobar consolidation ... Abdominal pain, chronic ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Stage III - Alveolar edema
This stage is characterized by continued fluid leakage into the interstitium, which
leakage into the interstitium ... dyspnoe due to acute ... with perihilar consolidations ... Clinical #Radiology #CXR ... #CHF #Alveolar