26 results
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Vasculitis Involving ... Associated: - Microscopic ... Disease • Cogan syndrome ... #skin #dermatology ... #rheumatology #
Pulmonary Renal Syndrome

Definition: Diffuse alveolar hemorrhage + Glomerulonephritis
Presentation (Pulmonary and renal manifestations can occur weeks apart):
ANCA-positive vasculitis ... polyangiitis, Microscopic ... ANCA-negative vasculitis ... Investigations • Labs: CBC ... differential #diagnosis #nephrology
Classification of Vasculitis 
Vasculitis of large vessels 
 - Arteritis temporalis (giant-cell arteritis) 
 - Takayasu
granulomatosis - microscopic ... Churg-Strauss syndrome ... - Schnitzler syndrome ... - Sjögren syndrome ... Vessels #Diagnosis #Rheumatology
Autoantibodies and their Disease Associations
ANA - Non-specific; common in SLE, autoimmune hepatitis
Anti-CCP, Rheumatoid factor - RA
Anti-dsDNA
biliary cirrhosis (PBC ... disease c-ANCA - Vasculitis ... granulomatosis p-ANCA - Vasculitis ... Microscopic polyangiitis ... diagnosis #table #rheumatology
Oncologic Emergencies - Differential Diagnosis Framework

HEMATOLOGIC ONCOLOGIC EMERGENCIES:
Hyperviscosity Syndrome:
 • Spontaneous bleeding
 • Shortness of breath
Diagnosis Framework HEMATOLOGIC ... Hyperviscosity Syndrome ... Leukostasis: • WBC ... Superior Vena Cava Syndrome ... : Tumor Lysis Syndrome
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
disease - Alport syndrome ... pain hematuria syndrome ... Diagnostic of GN or vasculitis ... • Nutcracker syndrome ... causes #urology #nephrology
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
myelodysplastic syndrome ... leukocytoclastic vasculitis ... myelodysplastic #syndrome ... differential #diagnosis #dermatology ... #oncology #clinical
Urine Microscopy - Casts
Acellular Casts
 • Hyaline Casts - Consists of only precipitated Tamm-Horsfell protein without
Urine Microscopy ... suggestive of nephrotic sydnrome ... glomerulonephritis • WBC ... #Casts #Urine #Microscopy ... #nephrology #interpretation
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... : • Behçet Syndrome ... • Cogan Syndrome ... Lab Tests: • CBC ... Dx: GPA, EGPA, microscopic
Causes of Proteinuria - Differential Diagnosis Algorithm
Persistent Proteinuria >150mg/d protein present on repeat testing including overnight
• Fanconi's syndrome ... urine sediment - WBC ... /RBC casts ... polyangiitis (GPA) / microscopic ... #Proteinuria #Nephrology