10 results
Antinuclear Antibody Testing - Nuclear and Cytoplasmic Patterns
Nuclear Patterns:
 • Homogeneous pattern: 
   -
Antinuclear Antibody ... SLE, SjS, CTD-ILD ... phenomenon - EJ, Jo-1, ... #Antinuclear #Antibody ... differential #diagnosis #rheumatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... gangrenosum • IBD ... Antiphospholipid-antibody ... Sarcoidosis #dermatology ... differential #diagnosis #rheumatology
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
• Is there a pattern ... lasting > 30 mins - 1 ... - Autoimmune Rheumatologic ... an asymmetric pattern ... Diagnosis #MSK #rheumatology
SAPHO Syndrome Summary

What?
SAPHO syndrome is a rare chronic inflammatory disorder of bone, joint, and skin characterized
efficacious include IL ... -1 inhibitors, IL ... inhibitors, and IL ... SAPHO #Syndrome #Rheumatology ... diagnosis #management #Dermatology
Antinuclear Antibody Testing Cytoplasmic Patterns
Reticular/AMA: 
 • PBC, SSc, PBC/SSc OS, PBC/SjS OS
 • AMA
Speckled:
 •
Antinuclear Antibody ... Testing Cytoplasmic Patterns ... SLE, SjS, CTD-ILD ... phenomenon • EJ, Jo-1, ... differential #diagnosis #rheumatology
Platelet disorders and Aggregometry
Glanzmann Thrombasthenia
 • Defective aggregation to all agonists except ristocetin
 • Normal platelet,
similar aggregation pattern ... cytometry — GP Ilb ... agonists • This pattern ... either severe Type 1 ... Platelet #disorders #hematology
ANTI-MDA5 DERMATOMYOSITIS

Cutaneous manifestations:
• Periorbital heliotrope (blue-purple) rash with edema
• Erythematous rash on the face, or the
interphalangeal joints ... increases and ILD ... Phenotype 1 ... Dermatomyositis #rheumatology ... #dermatology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
• Acute lupus pneumonitis ... Arthritis: • Joint ... arthropathy • 90% joints ... • 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
interphalangeal joints ... levels • NXP-2 antibody ... Dermatomyositis: • ILD ... diagnosis #management #rheumatology ... #dermatology
Autoimmune Myositis - Differential Diagnosis Framework

Inflammatory Myopathies: Commonly symmetric proximal muscle weakness, no substantial muscle pain
Anti-MDA5 (RP-ILD ... ), dermato-rheumatologic ... Ab • Anti-Jo-1 ... Syndrome: Fever, joint ... slow onset and pattern