7 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
gangrenosum • IBD ... Antiphospholipid-antibody ... Sarcoidosis #dermatology ... #skin #rashes #differential ... #diagnosis #rheumatology
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... SLE, SjS, CTD-ILD ... phenomenon - EJ, Jo-1, ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
cytometry — GP Ilb ... either severe Type 1 ... or Type 3) — differentiate ... Platelet #disorders #hematology ... #hemepath #differential
Causes of Abnormal PT and/or aPTT
Prolonged Prothrombin Time (PT)
1. Acquired deficiency of FVII
Prothrombin Time (PT) 1. ... FVIII antibody ... Prolonged PT and aPTT 1. ... Causes #diagnosis #differential ... #hematology #coagulation
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... SLE, SjS, CTD-ILD ... phenomenon • EJ, Jo-1, ... Cytoplasmic #Patterns #differential ... #diagnosis #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... Non-autoimmune rheumatologic ... • Acute lupus pneumonitis ... • ANA titers > 1: ... Ro/La, anti-Jo-1,
Anti-NXP-2 Dermatomyositis

What?
DM with generalized subcutaneous edema
Pts have more myalgias, more severe weakness, and an increased prevalence
levels • NXP-2 antibody ... Dermatomyositis: • ILD ... Prednisone at 1 ... diagnosis #management #rheumatology ... #dermatology