15 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 #clinical
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
Acute Respiratory Distress Syndrome – ARDS: Clinical Cheat Sheet

An acute diffuse, inflammatory lung injury, leading to
: Clinical Cheat ... leading to increased pulmonary ... consistent with pulmonary ... be detected on CT ... or CXR ● PaO2/
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
in HIV-AIDS Bacterial ... heart failure, COPD ... , Lung cancer, Primary ... +/- High res CT ... chest scan), CBC
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 #clinical
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... Other tests: • CT ... o infection • Echocardiogram ... sparing of the lung ... CT
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... thyroid, melanoma, renal ... differential #diagnosis #pulmonary ... #CXR #clinical ... #CT
Berlin Criteria for Acute Respiratory Distress Syndrome (ARDS) 
- Respiratory symptoms must have begun within one
week of a known clinical ... - Bilateral ... be present on a chest ... computed tomographic (CT ... lobar collapse, lung
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
Physical stigmata of cor ... in the adjacent lung ... of the affected lung ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP