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

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Significance (MGUS ... immunotactoid GN ... , Type I cryo GN ... Differential #Diagnosis #hematology ... #oncology
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 ... to cold IgG • Lupus ... Paraproteinemias #Hematology ... #Diagnosis #Oncology
Monoclonal Gammopathy of Undetermined Significance (MGUS) - Summary Framework

Hematologic disorder characterized by the presence of either
Significance (MGUS ... Summary Framework Hematologic ... sub-types based on the hematologic ... #Significance #hematology ... #diagnosis #oncology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Causes of false- ... amyloidosis Other causes ... #Gammopathies #MGUS ... #diagnosis #hematology ... #oncology
Causes of Diffuse Lymphadenopathy - Differential Diagnosis Algorithm
Reactive:
 - Systemic Inflammatory
     •
Causes of Diffuse ... • Systemic Lupus ... Lymphocytes) - Monoclonal ... Diagnosis #Algorithm #Causes ... #Hematology #Oncology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
pathophysiologic causes ... Complement: Post-strep GN ... , Lupus Nephritis ... diagnosis #algorithm #rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... - Composed of monoclonal ... (e.g. systemic lupus ... classification #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
it represents a monoclonal ... Causes of Monoclonal ... Gammopathy Include: • MGUS ... gastric tumors • Hematology ... differential #diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
rapidly progressing GN ... tract, and often causes ... inflammation Others: • Lupus ... such as systemic lupus ... differential #diagnosis #rheumatology