18 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... , C3, C4, anti-CCP ... • CXR (diffuse ... high resolution chest ... CT • Bronchoscopy
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 ... HiRes #HighRes #Chest ... #CT #Patterns #
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern - Chest ... thyroid, melanoma, renal ... Miliary #Pattern #Chest ... #CXR #clinical ... #CT
Crazy Paving is a combination of ground glass opacity with superimposed septal thickening (5).
It was first
proteinosis, but later ... Sarcoid - NSIP - Organizing ... pneumonia (COP/ ... BOOP) - Infection ... Clinical #Radiology #CTChest
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Loss of weight • Chest ... Physical stigmata of cor ... high-resolution chest ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... chest to evaluate ... confirm DAH, r/o infection ... typically seen on chest ... differential #diagnosis #management
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Chronic post-infection ... diseases like organizing ... pneumonia (OP) ... Diagnosis #Radiology #Pulmonary ... #CXR #Consolidation
Based on the images alone, it is usually not possible to determine the cause of the
between these chest ... Pulmonary hemorrhage ... Organizing pneumonia ... (OP) - multiple ... Diagnosis #Radiology #CXR
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... disease: Pleuritic chest ... level seen • Chest ... CT Lung Abscess ... treatment until the chest