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

Neurologic-Centered:
 (+) Systemic Features: POEMS, AL amyloid, Cryoglobulinemia
Monoclonal Gammopathy ... capillary leak syndrome ... • Schnitzler syndrome ... Cryoglobulinemia Renal-centered ... Differential #Diagnosis #hematology
Multiple Myeloma and Monoclonal Gammopathies
C - HyperCalcemia- calcium > 11 mg/dL / >1 mg/dL the ULN
R
Multiple Myeloma and Monoclonal ... dL the ULN R - Renal ... if this is is monoclonal ... plasmacytoma, POEMs syndrome ... MGUS #diagnosis #hematology
Diagnosis of Cryoglobulinemia Vasculitis

1) Presence of cryoglobulin 
Circulating immunoglobulins that precipitate with cold temperature and dissolve
arterioles) MONOCLONAL ... phenomenon • Ulcers, distal ... Hyperviscosity syndrome ... arthritis • Renal ... Vasculitis #Diagnosis #Rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Splenomegaly - CTD (SLE ... Kasabach-Merritt syndrome ... Associated - SLE ... Differential #Diagnosis #hematology ... #rheumatology #
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Behçet's Syndrome ... Oral aphthae : SLE ... • Arthritis: SLE ... refractory disease : monoclonal ... signs #symptoms #rheumatology
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
severe disease & renal ... block • Sjogren syndrome ... polymyositis overlap syndrome ... • Specific for SLE ... Summary #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Malar rash • SLE ... IBD • RA • SLE ... Antiphospholipid-antibody syndrome ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
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 ... vascular beds-renal ... Paraproteinemias #Hematology ... #Monoclonal #Differential
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
diseases: - 10% SLE ... Cryoglobulins: - Single monoclonal ... - Composed of monoclonal ... erythematosus (SLE ... classification #rheumatology
Causes of Thrombocytopenia - Differential Diagnosis Algorithm
 
Decreased Megakaryopoiesis
 • Aplastic Anemia
 • Toxic Damage (e.g.
Autoimmune • ITP • SLE ... Non-lmmune: • HELLP Syndrome ... Algorithm #Causes #Hematology