9 results
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
Anti-dsDNA (in 70% of cases ... seen in 30—70% of cases ... • Sjögren syndrome ... Vasculitis: • Microscopic ... antibodies #diagnosis #rheumatology
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
, or all three myeloid ... abnormal under the microscope ... abnormal under a microscope ... abnormal under the microscope ... #diagnosis #hematology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Polyarteritis nodosa • Microscopic ... • Goodpasture syndrome ... vasculitis (inflamed blood ... rash #diagnosis #rheumatology
Pulmonary Renal Syndromes - OnePager Summary
Autoimmune ANCA vasculitis (AAV): GPA (granulomatous with polyangiitis), EGPA (eosinophilic granulomatosis
Pulmonary Renal Syndromes ... ), MPA (microscopic ... Goodpasture's cause ... reveals increasing blood ... FINDINGS: • U/A: microscopic
Amyloidosis - Summary
Group of disorders associated with extracellular deposition of fibrils formed from low-molecular-weight proteins in
: • Nephrotic syndrome ... Carpal tunnel syndrome ... hypoadrenalism • Nausea ... Diagnostic Testing Blood ... polarized light microscopy
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... Cryoglobulins Cause ... vasculitis - GPA, EGPA, microscopic ... polyangiitis ... classification #rheumatology
Borrelia recurrentis on Peripheral Blood Smear
23M Somali refugee recently arrived w/severe abd pain, confusion and fever
on Peripheral Blood ... resolved after 2-3d ... Syndrome: 3d of ... sensitivity of blood ... recurrentis #BloodSmear #microscopy
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... Polyangiitis: ... tract, and often causes ... Dx: GPA, EGPA, microscopic ... differential #diagnosis #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
pulses, bruits, or blood ... (PR3-ANCA)): Microscopic ... polyangiitis • ... tract, and often causes ... Differential #Diagnosis #Rheumatology