12 results
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
CT • Variable ... BO, CTEPH, PJP, CEP ... , HP, COP https ... #Lung #Pulmonary ... #diagnosis #radiology
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Hypersensitivity Pneumonia, COP ... Sarcoidosis, NSIP, COP ... #CT #Patterns # ... #radiology
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
• Labs: CBC, cr ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... CT • Bronchoscopy
Atoll Sign (Reverse-Halo Sign) on Chest CT
 • Central GGO surrounded by a crescentic or circumferential
CT • Central GGO ... consolidation • DDx: COP ... Reverse #Halo #Sign #CT ... #Lung #Pulmonary ... #diagnosis #radiology
Barrel Chest Appearance on Lateral Chest Xray
Typically seen in the setting of chronic air-trapping in COPD

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Barrel Chest Appearance ... on Lateral Chest ... air-trapping in COPD ... #Xray #CXR #Lateral ... #Radiology #pulmonary
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
Pulmonary Infections ... heart failure, COPD ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
proteinosis, but later ... Organizing pneumonia (COP ... Bronchoalveolarca (BAC) - Pulmonary ... AIP) #Clinical #Radiology ... #CTChest #CrazyPaving
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... obstruction • COPD ... Physical stigmata of cor ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
organizing pneumonia (OP ... proteinaceous material ... #Diagnosis #Radiology ... #Pulmonary #CXR
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... Organizing pneumonia (OP ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation