10 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
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
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
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
throughout the lungs ... thyroid, melanoma, renal ... #diagnosis #pulmonary ... #CXR #clinical ... #CT
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
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
heart failure, COPD ... , Lung cancer, Primary ... Evaluation: Imaging (CXR ... +/- High res CT ... chest scan), CBC
Bronchiectasis - Summary

What?
• Bronchiectasis is derived from the Greek words bronckos meaning airway and ectasis meaning
obstruction • COPD ... Physical stigmata of cor ... in the adjacent lung ... CT) • Broncho-arterial ... Laboratory: • ANA, RF, CCP
It is very important to differentiate between acute consolidation and chronic consolidation, because it will limit
- Lung neoplasms ... 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 ... Organizing pneumonia (OP ... nodular interstitial lung ... Clinical #Diagnosis #Radiology ... #CXR #Lobar #Consolidation
Malignant RV Mass on POCUS Echocardiogram (PLAX)
57yo M with chest pain.  Normal work up including
PLAX) 57yo M with chest ... negative ECG, CXR ... Post-op course initially ... well, then 4mo later ... #clinical #cardiology