10 results
Antinuclear Antibodies (ANA)
ANA or Anti-NucIear Antibody refers to antibodies against antigens in the nucleus → like
Antinuclear Antibodies ... Using fluorescence microscopy ... Juvenile Idiopathic Arthritis ... Kumfer @AnnKumfer #Antinuclear ... rheumatology #diagnosis #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Petechial Rash - Differential ... hemorrhage, which are ... integrity: - Trauma ... Sjogren's, GPA, EGPA, Microscopic ... Measurement of antinuclear
Hematuria - Differential Diagnosis Framework

Gross Hematuria: Red/Dark urine
 • 1ml blood/liter urine can induce color change
Hematuria - Differential ... urine sediment Microscopic ... Hematuria: • Urethritis ... Malignancy • Trauma ... #Hematuria #Differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
Differential Diagnosis ... How many joints are ... of inflammation are ... Noninflammatory • Trauma ... Joint #pain #Differential
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Lyme), reactive arthritis ... Noninflammatory • Bloody: Trauma ... neuropathy so trauma ... Like in this case ... approach #workup #differential
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
Diseases • Septic arthritis ... polarized light microscopy ... erythematosus (SLE) - Antinuclear ... antibodies, which are ... of Inflammatory Arthritis
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... PR3-ANCA): • Microscopic ... and often causes arthritis ... Glomerulonephritis, arthritis ... Dx: GPA, EGPA, microscopic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... diseases to exclude are ... (PR3-ANCA)): Microscopic ... #Vasculitis #Differential
Filariasis - Wuchereria bancrofti
30 yo F from India presents w/ painless immobile firm mass on the
Denies any trauma ... Humans are definitive ... bancrofti #clinical #photo ... #smear #microscopy
Majocchi’s Granuloma due to Trichophyton rubrum 
This is GMS stain and culture of a skin biopsy
anywhere - Risks: Trauma ... dissemination rare ... lower extremity; rare ... rubrum #clinical #photo ... #microscopy