9 results
Small Vessel Vasculitides
 • Granulomatosis with polyangiitis - Granulomatous manifestations (e.g., nasal crusting, destructive sinusitis, pulmonary
Small Vessel Vasculitides ... destructive sinusitis, pulmonary ... retroorbital mass) • Microscopic ... and Sjogren's syndrome ... #vasculitis #differential
Causes of Hemoptysis - Differential Diagnosis Algorithm
Massive Hemoptysis (>I00 mL in 24 hours)
 • Malignancy
 •
of Hemoptysis - Differential ... Vasculitis Infection ... Vasculitis • ... Goodpasture's Syndrome ... polyangiitis / microscopic
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
symptomatology Differential ... ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... #differential #
Strongyloides Stercoralis on sputum microscopy
As many suggested this was strongyloides stercoralis hyperinfection syndrome.
Infection is initiated by
on sputum microscopy ... hyperinfection syndrome ... bloodstream to the pulmonary ... Pts w/ chronic strongy ... Stercoralis #sputum #microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... PR3-ANCA): • Microscopic ... Eosinophilia, asthma, chronic ... • Cogan Syndrome ... Dx: GPA, EGPA, microscopic
Non-Resolving Pneumonias: Etiologies
Unusual Infections:
 - Immunocompromised patients (e.g.: Mycobacterium, Aspergillosis, Nocardia)
 - Endemic Fungi (e.g.: Histoplasmosis,
disorders: - Vasculitis ... polyangiitis, microscopic ... PNA (acute or chronic ... Others: - Pulmonary ... #differential
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Autoimmune ANCA vasculitis ... polyangiitis), MPA (microscopic ... palpable purpura 2/2 vasculitis ... FINDINGS: • U/A: microscopic ... #differential #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... (PR3-ANCA)): Microscopic ... Eosinophilia, asthma, chronic ... #Differential #
Diarrhea with Normal Colonoscopy
 • Colonic: Bile acid malabsorption, Microscopic colitis, Overflow diarrhoea, Missed pathology
 •
Colonoscopy • Colonic ... malabsorption, Microscopic ... ), Short bowel syndrome ... , Ischaemia / Vasculitis ... drkeithsiau #Diarrhea #differential