23 results
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
- Imaging: • CXR ... - Diagnosis: ... #COP #BOOP #pulmonary ... #ILD #diagnosis ... #management
Ground-glass opacity
Ground-glass opacity (GGO) represents:
- Filling of the alveolar spaces with pus, edema, hemorrhage, inflammation or
) or interstitial ... bronchiolitis, PCP ... bronchiolitis #Diagnosis ... #Radiology #Pulmonary ... #CTChest #GGO #
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
- Differential Diagnosis ... Lymphangitic Carcinoma, Interstitial ... Edema, Alveolar ... Crazy Paving: Alveolar ... #pulmonary #radiology
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
the differential diagnosis ... (OP) or chronic ... eosinophilic pneumonia ... #Diagnosis #Radiology ... #Pulmonary #CXR
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
Differential diagnosis ... the differential diagnosis ... content of the alveoli ... #Diagnosis #Radiology ... #Pulmonary #CXR
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
- Differential Diagnosis ... • Pleuritic CP ... phagocytic function of alveolar ... fever, rales, interstitial ... Infections #HIV #AIDS #pulmonary
Approach to the A-a Gradient
A-a gradient = PAO2 - PaO2
A-a gradient = [FiO2 x (Patm -
Atelectasis, ARDS, Pneumonia ... Lung Disease, Interstitial ... Fibrosis, Interstitial ... #AA #Gradient #alveolar ... #differential #diagnosis
The idiopathic interstitial pneumonias (IIPs) comprise a heterogenous group of disorders. 
They represent fundamental responses of
The idiopathic interstitial ... pneumonias (IIPs ... of NSIP, UIP, OP ... #Diagnosis #Radiology ... #Pulmonary #CTChest
Based on the images alone, it is usually not possible to determine the cause of the
(OP) - multiple ... filling of the alveoli ... this is nodular interstitial ... #Clinical #Diagnosis ... #Radiology #CXR
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... Lymphocytic or lymphoid interstitial ... Evaluation: Imaging (CXR ... /- High res CT chest ... HIVAIDS #workup #diagnosis