2893 results
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
• Infectious Causes ... Non-Infectious Causes ... Granulomatosis with polyangiitis ... granulomatosis with polyangiitis
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Causes of Hemoptysis ... Granulomatosis with polyangiitis ... / microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... sediment - WBC/RBC casts ... Granulomatosis with polyangiitis ... / microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Epithelial cell casts ... Granulomatosis with polyangiitis ... /microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... Granulomatosis with polyangiitis ... granulomatosis with polyangiitis ... differential #pulmonary #causes
Glomerulonephritis - Differential Diagnosis Framework
ANCA:
 • C-ANCA: GPA (Wegener's)
 • P-ANCA: Microscopic Polyangiitis, Eosinophilic GPA (Churg
P-ANCA: Microscopic Polyangiitis ... diagnosis #nephrology #causes
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... RBCs and/or RBC casts ... Granulomatosis with polyangiitis ... /microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Lung Nodule - Differential Diagnosis Algorithm
Nodule on > 2 Years Without a Change in Size:
 •
Granulomatosis with polyangiitis ... / microscopic polyangiitis ... Diagnosis #Algorithm #Causes
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Granulomatosis with polyangiitis ... GPA)/microscopic polyangiitis ... #Orthopedics #Causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Granulomatosis with Polyangiitis ... granulomatosis with polyangiitis ... GPA causes disease ... • Microscopic polyangiitis ... Granulomatosis #Polyangiitis