8 results
Cold Agglutinin Disease

3 Types of Cold Sensitive Antibodies:
  1. Cold Agglutinins (CAD)
  2. Donath-Landsteiner
- Due to Viral infection ... nose, ears, or fingers ... Mycoplasma, EBV, HIV ... #anemia #hematology ... #diagnosis
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... hemorrhagic skin lesions ... SLE) - Viral infections ... • HCV, HBV Not ... #hematology #rheumatology
HSV Herpetic Whitlow Infection of the Finger
20 F presents with painful finger, treated w/ oral cephalexin
HSV Herpetic Whitlow ... Diagnosis? ... Herpetic whitlow hsv ... Diseases Fellowship ... Herpetic #Whitlow #HSV
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... to exclude are infections ... Cryoglobulins • HIV ... • HBV HCV • ... #rheumatology #
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
- Differential Diagnosis ... to exclude are infections ... HTN • Check: HBV ... episcleritis as well as inner ... #Rheumatology
Lichen Planus- ...On examination, numerous purple papules were noted on the anterior surface of the forearms
showed a fine reticulate ... confirming the diagnosis ... an autoimmune disease ... association with HCV ... association between HCV
Rickettsialpox Eschar

40 homeless male from NY admitted with fever, chills, headache, myalgias. Diagnosis?
Rickettsialpox R akari classic
Diagnosis? ... Can have 20-40 lesions ... , hsv, Queensland ... Diseases Fellowship ... clinical #photo #skinrash
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Tenderness → Consider infectious ... RP-ILD), dermato-rheumatologic ... Anti-Mi2 (skin lesions ... weakness + atrophy- Hip ... flexors, quadriceps, finger