7 results
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
: Trauma, coagulopathy ... tumor • Non-bloody ... neuropathy so trauma ... Like in this case ... approach #workup #differential
Schistocytes - The arrows point to schistocytes which are fragmented red blood cells. Also called schizocytes,
Schistocytes - The arrows point ... fragmented red blood ... In the right photo ... is mechanical trauma ... #Clinical #Path
Rheumatology Workup - Laboratories Studies in Rheumatic Diseases

• Septic arthritis - Gram stain and culture of
polarized light microscopy ... antibodies, which are ... Polyarthritis: • Blood ... : • Complete blood ... ANA and RF (if clinical
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
PR3-ANCA): • Microscopic ... vesicular eruption - Joints ... pulses, bruis, or blood ... Large Vessel: Blood ... Dx: GPA, EGPA, microscopic
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
diseases to exclude are ... pulses, bruits, or blood ... vesicular eruption • Joints ... (PR3-ANCA)): Microscopic ... Palpable purpura, joint
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... surfaces of the joints ... reticularis Differential ... • Giant cell arteritis ... vasculitis (inflamed blood
Filariasis - Wuchereria bancrofti
30 yo F from India presents w/ painless immobile firm mass on the
Denies any trauma ... Humans are definitive ... Wuchereria #bancrofti #clinical ... #photo #smear # ... microscopy