26 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... Antiphospholipid-antibody ... Sarcoidosis #dermatology ... #differential #diagnosis ... #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... Scl70 (in some cases ... #Antinuclear #Antibody ... #differential #diagnosis ... #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... purple, hemorrhagic skin ... Associated - SLE ... #hematology #rheumatology ... #nonpalpable #dermatology
Causes of Thrombocytopenia - Differential Diagnosis Framework
Decreased Production:
 - Drugs (chemo, yang, sulfa, acetaminophen, NSAIDs, quinine,
Causes of Thrombocytopenia ... - Differential Diagnosis ... DIC, TTP, HUS - Antibody-mediated ... - Autoimmune: SLE ... #Framework #hematology
ANA (Antinuclear Antibody) and ANCA (Antineutrophil cytoplasmic antibodies)
 • Systemic lupus erythematosus
   1. Anti-dsDNA
ANA (Antinuclear Antibody ... in drug-induced SLE ... scleroderma) - Anti-Scl ... Antineutrophil #antibodies #diagnosis ... #rheumatology #
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Maculopapular rash ... Polyangiitis #GPA #dermatology ... #rash #diagnosis ... #rheumatology
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
everywhere) 2) A rash ... including in children (pediatric ... SLE) 10) When ... #sle #clues #system ... erythematosus #rheumatology
Antinuclear Antibody Testing - Nuclear Patterns
Homogeneous pattern: 
 • SLE, SSc, AIH, JIA
 • dsDNA, chromatin,
Antinuclear Antibody ... Homogeneous pattern: • SLE ... pattern: • SjS, SLE ... #differential #diagnosis ... #rheumatology
Thrombotic Microangiopathy - TMAs
1. Not all MAHAs are due to TMAs but (almost) all TMAs cause
almost) all TMAs cause ... drug-associated TMA (antibody ... catastrophic APS, SRC, SLE ... Microangiopathy #TMAs #hematology ... #diagnosis #ttp
Secondary Syphilis Rash
Secondary syphilis is the most contagious of all the stages of this disease, and
Secondary Syphilis Rash ... Skin rash and malaise ... resembling rashes caused ... #Diagnosis #Clinical ... #Photo #Dermatology