16 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint ... infection Malar ... infection • Lyme ... lesions • Discoid lupus ... differential #diagnosis #rheumatology
Approach to Joint Pain - Diagnostic Framework

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

1) Chronicity:
), RA, crystal disease ... spondyloarthropathies, lupus ... Inflammatory, crystalline disease ... Chronic = RA, SLE ... #rheumatology #
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
- Neurological 12% ... involvement 3% SLE-Related ... Other auto-immune, Infectious ... Lupusreference #SLE ... #differential #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... Non-autoimmune rheumatologic ... fibromyalgia) • Infections ... Arthritis: • Joint ... arthropathy • 90% joints
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Autoimmune Rheumatologic ... • Parvovirus B19 ... arthritis • SLE ... Symmetrical: • RA • SLE ... Diagnosis #MSK #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
• Systemic lupus ... erythematosus [SLE ... ], AOSD) • Infection ... Treatment: • Corticosteroids ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
vesicular eruption - Joints ... such as systemic lupus ... to exclude are infections ... vasculitis, and SLE ... differential #diagnosis #rheumatology
Leukemias Overview: ALL, CML, AML, APML, CLL

Acute leukemias > 20% blasts in the peripheral blood smear
Malaise, bleeding, infections ... extramedullary disease ... bone pain, fever, joint ... #Leukemia #Hematology ... #Oncology #Diagnosis
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... and pain of the joints ... ’s syndrome - Lupus ... Treatment: - Systemic ... #dermatology #oncology
Chronic Lymphocytic Leukemia - Summary

Cancer affecting lymphocytes/Mature B cell neoplasm
 • Lymphocytes accumulate in large numbers
weeks without infection ... cells can indicate disease ... microglobulin Treatment ... diagnosis #workup #oncology ... #hematology