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

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Monoclonal Gammopathy ... Cryoglobulinemia Renal-centered ... immunotactoid GN, Type ... Ig deposition disease ... #Diagnosis #hematology
Acute Kidney Injury (AKI) in Patients with Cancer 

Cancer Related 
• Hypercalcemia 
• Intravenous contrast 
•
LC deposition disease ... gammopathy of renal ... Minimal change disease ... #Diagnosis #Classification ... #Nephrology
Causes of Hypocomplementemia - CHAMPS Mnemonic
C - Cryoglobulinemia (85%), C3 glomerulopathy, cirrhosis
H - Heavy Chain deposition
Chain deposition disease ... Lupus Erythematosus ... (total 50, renal ... #differential # ... hematology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Decade Skin Disease ... Classification: ... diseases (i.e. ... #Diagnosis #Rheumatology
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• Autoimmune diseases ... • Low serum C4 complement ... lupus erythematosus ... #types #classification ... #rheumatology #
Paraproteinemias

Entities That Can Feature A Monoclonal Protein/M Component:
• MM
• WM
• MGUS
• MGCS
• MGRS
• Splenic Marginal Zone
• Heavy Chain disease ... to cold IgG • Lupus ... Sneddon-Wilkinson disease ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
(Granulomatous disease ... Diagnosis: Systemic ... rheumatic diseases ... atherosclerotic disease ... #diagnosis #rheumatology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
• Heavy chain disease ... plasmacytoma • Castleman disease ... Sarcoidosis) • Liver disease ... gastric tumors • Hematology ... #diagnosis #hematology