1132 results
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
Bronchiectasis • Pulmonary ... Fungal Malignancy Pulmonary ... Granulomatosis with polyangiitis ... / microscopic polyangiitis ... Vascular • Pulmonary
Granulomatous Lung Disease - Differential Diagnosis Algorithm
OP: organising pneumonia; EGPA: eosinophilic granulomatosis with polyangiitis; NSG: necrotising
granulomatosis with polyangiitis ... granulomatosis with polyangiitis ... pneumonitis; PLCH: pulmonary ... Lung #Disease #pulmonary
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Granulomatosis with polyangiitis ... destructive sinusitis, pulmonary ... • Microscopic polyangiitis ... granulomatosis with polyangiitis
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
Pulmonary Renal ... Presentation (Pulmonary ... granulomatosis with polyangiitis ... Granulomatosis with polyangiitis ... , Microscopic polyangiitis
Reversed Halo Sign - Infectious and Non-Infectious Differential Diagnosis
Definition: A focal rounded area of GGO surrounded
Granulomatosis with polyangiitis ... granulomatosis with polyangiitis ... organizing pneumonia, Pulmonary ... Differential #Diagnosis #pulmonary
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
granulomatosis with polyangiitis ... , microscopic polyangiitis ... Others: - Pulmonary ... abnormalities (Pulmonary ... Pneumonia #diagnosis #pulmonary
Cavity Mnemonic for Cavitary Pulmonary Lesions:
C: cancer 
 - bronchogenic carcinoma: most frequently squamous cell carcinoma
Mnemonic for Cavitary Pulmonary ... SCC) - cavitary pulmonary ... granulomatosis with polyangiitis ... bland and septic pulmonary ... abscess - pulmonary
Differential Diagnosis of Pulmonary Eosinophilia
Infection:
 • Helminthic: Loffler syndrome (Ascaris, hookworm, Strongyloides), Tropical pulmonary eosinophilia (lymphatic
Differential Diagnosis of Pulmonary ... Strongyloides), Tropical pulmonary ... granulomatosis with polyangiitis ... Acute chronic pulmonary ... #Eosinophilia #Pulmonary
Interstitial Lung Diseases (ILD)
Exposure-Related ILD (a.k.a. extrinsic allergic alveolitis): 
 • Hypersensitivity pneumonitis, Farmer's lung, Bird
• Idiopathic pulmonary ... Granulomatosis with polyangiitis ... granulomatosis with polyangiitis ... Acute, Chronic • Pulmonary ... #differential #pulmonary
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal ... granulomatous with polyangiitis ... granulomatosis w polyangiitis ... MPA (microscopic polyangiitis ... Although pulmonary