68 results
Monoclonal Gammopathy of Clinical Significance (MGUS) - Differential Diagnosis

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Monoclonal Gammopathy ... Ig deposits, C3 ... glomerulopathy w/ monoclonal ... deposits: TMA w/ monoclonal ... ASanchez_PS #Monoclonal
Membranoproliferative Glomerulonephritis (MPGN) AKA: Mesangiocapillary GN
 • Active Urine Sediment (dysmorphic RBC, RBC casts, +/- proteinuria)
rheumatoid arthritis, monoclonal ... complement pathway • C3
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Idiopathic monoclonal ... malignancy (CLL) - Monoclonal ... hemolysis • C3 ... Differential Diagnosis Monoclonal ... Such As: • IgM monoclonal
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
Can Feature A Monoclonal ... Amyloidosis and monoclonal ... cryocrystalglobulin GN -C3 ... Paraproteinemias #Hematology #Monoclonal
Recommended initial testing for patients being evaluated for glomerular disease 

24-hour urine collection - Quantify proteinuria.
chains - Screen for monoclonal ... for detection of monoclonal ... C3, C4 - Test for
Monoclonal Gammopathy of Renal Significance (MGRS)

MGRS
• MGRS refers to kidney disease caused by nephrotoxic monoclonal immunoglobulins
Monoclonal Gammopathy ... by nephrotoxic monoclonal ... activation (e.g., C3 ... • No Deposits: C3 ... #MGRS #Monoclonal
Recommended initial testing for patients being evaluated for glomerular disease
1) 24-hour urine collection - Quantify proteinuria.
microangiopathy. 5) C3 ... chains - Screen for monoclonal ... for detection of monoclonal
Effect of Selected Diseases on Complement Levels - C3, C4
 • SLE C3 ↓ C4 ↓↓
Complement Levels - C3 ... , C4 • SLE C3 ... • MCGN type 1 C3 ... C4 ↓↓ • Cryo C3 ... C4 ↓↓ • C3GN C3
Nomenclature of Monoclonal Antibodies (-mab)

- Dr. Axel Grothey
@agrothey

#Nomenclature #Monoclonal #Antibodies #Mab #Antibody #Naming
Nomenclature of Monoclonal ... #Nomenclature #Monoclonal
MGRS - Monoclonal Gammopathy of Renal Significance 

#MGRS #Monoclonal #Gammopathy #Renal #Significance #Diagnosis #Pathology
MGRS - Monoclonal ... Significance #MGRS #Monoclonal