9 results
Causes of Diffuse and Localized Lymphadenopathy - Differential Diagnosis Algorithm
 • Reactive (Inflammatory / Infectious)
 •
Causes of Diffuse ... Differential Diagnosis Algorithm ... Metastatic) #Diffuse ... #Focal #Localized ... #Causes #Hematology
Lupus Nephritis Primer
Class I - Minimal Mesangial
Class II - Mesangial Proliferative
Class Ill - Focal Proliferative
Class IV
Lupus Nephritis ... Proliferative Class Ill - Focal ... Proliferative Class IV - Diffuse ... #SLE #Classification ... #Classes #differential
Management of Lupus Nephritis
Lupus nephritis (LN) in 10 to 40% of SLE
Hallmark = proteinuria 20.5 g/g
severity (ISN/RPS classification ... by 12 months Classification ... • Class Ill - Focal ... • Class IV - Diffuse ... glomeruli) Diffuse
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... staining): • Low Complement ... Post-strep GN, Lupus Nephritis ... differential #diagnosis #algorithm ... #rheumatology
Hair Loss (Alopecia) - General (Diffuse and Focal) Differential Diagnosis Algorithm

DIFFUSE
Scarring - Irreversible-biopsy required
 • Lupus
Diagnosis Algorithm ... DIFFUSE Scarring ... #Alopecia #dermatology ... Differential #Diagnosis #Algorithm ... #causes
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
anti-Smith Ab, low complements ... Skin Disease Classification ... Malignancy (e.g. hematologic ... pneumonitis • Diffuse ... enteropathy, and diffuse
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... often involved • Hypocomplementemic ... Urticaria and hypocomplementemia ... against MPO • Complement ... #classification
Sjogren's Syndrome Overview

Epidemiology:
• F > M: 9:1
• 5-6th Decades (can be any age)

Autoimmune exocrinopathy multisystemic disease
lacrimal glands: • Focal ... Cytopenia: 2% • Hypocomplementemia ... • Can cause TYPE ... • Interstitial nephritis ... Nephrogenic DI Hematologic
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
kidney disease caused ... meet criteria for hematologic ... • Nephrotic-range ... guide subtype classification ... tubulopathy) - Complement