33 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... reticularis Differential ... vasculitis #Dermatologic ... GPA #dermatology
Demyelinating Diseases - Differential Diagnosis
 • Inflammatory: MS, ADEM, NMO, Paraneoplastic, Sjogren's, Polyarteritis nodosa, SLE
 •
Demyelinating Diseases ... - Differential ... #Differential # ... Diagnosis #causes ... #neurology
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Non-Infectious Differential ... Definition: A focal ... • Infectious Causes ... with polyangiitis ... with polyangiitis
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
ILD caused by inhalation ... with polyangiitis ... with polyangiitis ... ILD #diagnosis #differential ... #pulmonary #causes
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
Causes of Proteinuria ... - Differential ... antibodies • Granulomatosis ... Minimal change disease ... #Differential #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... (Eosinophilic granulomatosis ... , Granulomatosis ... Renal #Syndrome #differential ... #diagnosis #nephrology
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain - Differential ... Rheumatica • Granulomatosis ... with polyangiitis ... GPA)/microscopic polyangiitis ... #Orthopedics #Causes
Causes of Acute Kidney Injury (AKI) - Differential Diagnosis Algorithm
Acute Kidney Injury (AKI) - Acute increase
Causes of Acute ... Injury (AKI) - Differential ... Pauci-immune (Granulomatosis ... with polyangiitis ... #Differential #
Causes of Hematuria - Differential Diagnosis Algorithm
Red blood cells on urine microscopy. Must exclude false positives
Causes of Hematuria ... - Differential ... • Thin GBM disease ... (Granulomatosis ... with polyangiitis
Causes of Myocarditis
Infectious Etiologies:
 • Viral agents: Adenoviruses, Enteroviruses (coxsackievirus), Herpesviruses (human herpesvirus 6, Epstein—Barr virus),
Causes of Myocarditis ... cruzi (Chagas disease ... with polyangiitis ... (Wegener granulomatosis ... #Myocarditis #differential