26 results
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Differential Diagnosis ... ANCA-positive vasculitis (Eosinophilic ... • CXR (diffuse ... resolution chest CT ... #differential #diagnosis
High-Res Chest CT Patterns - Differential Diagnosis Framework
Reticular:
 • Septal Thickening: Lymphangitic Carcinoma, Interstitial Edema, Alveolar
High-Res Chest CT ... Patterns - Differential ... Diagnosis Framework ... #Diagnosis #pulmonary ... #radiology
Cryptogenic Organizing Pneumonia (COP)

Cryptogenic Organizing Pneumonia Overview:
 • Idiopathic form of organizing pneumonia
 • formerly BOOP
Organizing Pneumonia - Clinical ... - Imaging: • CXR ... consolidation and GG pattern ... pneumonia, Chronic eosinophilia ... #ILD #diagnosis
Here are the most common examples of these four patterns on a chest x-ray (click image
of these four patterns ... mass - Solitary Pulmonary ... Masses Atelectasis #Diagnosis ... #Clinical #Radiology ... #CXR #Consolidation
Differential diagnosis
The table summarizes the most common diseases, that present with consolidation.
Chronic diseases are indicated in
to look at the pattern ... ) and chronic eosinophilic ... called cryptogenic (COP ... #Diagnosis #Radiology ... #Pulmonary #CXR
Miliary Pattern - Chest Radiology
 • Miliary opacities are scattered, small (1 -4 mm) nodules
 •
Miliary Pattern ... Differential Diagnosis ... #differential #diagnosis ... #pulmonary #CXR ... #clinical #CT
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
polyangiitis), EGPA (eosinophilic ... EGPA • ESR and CRP ... Other tests: • CT ... seen on chest CT ... • IF staining patterns
Mosaic Attenuation on Chest CT
 • Variable attenuation seen on a chest CT in a lobular
BO, CTEPH, PJP, CEP ... , HP, COP https ... #Lung #Pulmonary ... #diagnosis #radiology ... #clinical
Notice that there are multiple densities in both lungs.
The larger ones are ill-defined and maybe there
the differential diagnosis ... There was no eosinophilia ... organizing pneumonia (OP ... #Clinical #Radiology ... #CXR #Peripheral
Katayama Fever - Physical examination and diagnostic testing revealed multiple small papules on the trunk (Panel
examination and diagnostic ... (3.0×109 eosinophils ... #Clinical #Radiology ... InfectiousDisease #CXR ... KatayamaFever #Rash #NEJM