14 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... symptomatology Differential ... , anti-CCP • CXR ... resolution chest CT ... #differential #
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 ... sparing of the lung ... seen on chest CT ... #differential #
IgG4-Related Disease
Clinical history:  Man, 60 years, multiorgan involvement, unique or multiple inflammatory pseudotumor
4 phenotypes:
 •
IgG4-Related Disease ... Clinical history ... , biliary, renal ... , lung, lymph node ... concentration PET-CT
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
Lung Abscess - Clinical ... ) • CXR upright ... seen • Chest CT ... #Abscess #pulmonary ... #differential #
Pulmonary Infections in HIV-AIDS
Bacterial: 
 • No organism identified, Strep pneumoniae, H. influenzae, S.aureus, Streptococcus Grp
failure, COPD, Lung ... Evaluation: Imaging (CXR ... +/- High res CT ... Infectious Diseases ... diagnosis #evaluation #differential
Progressive Massive Fibrosis aka Complicated Silicosis.
Silicosis is a fibrotic lung disease caused by inhalation of crystalline
is a fibrotic lung ... Calcification (seen in CT ... Fibrosis #Silicosis #clinical ... #radiology #CXR ... XRay #labeled #pulmonary
Incidental Finding of Oleothorax - A chest radiograph showed a dense opacity in the upper area
The differential ... treatment for pulmonary ... #Clinical #PCC # ... Radiology #CXR # ... Oleothorax #NEJM
Nontuberculous Mycobacteria (NTM) Infections 

Mycobacterial species other than those belonging to the Mycobacterium tuberculosis complex and
Illnesses: • Pulmonary ... Disease: Clinical ... Disease: • Clinical ... Imaging, high res CT ... NTM #Infections #differential
When a rib fracture heals, the callus formation may create a mass-like appearance (blue arrow).
Sometimes a
Sometimes a CT is ... necessary to differentiate ... fracture from a lung ... #Clinical #Radiology ... #CXR #Old #RibFracture