10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... • Gonococcal arthritis ... lesions • Discoid lupus ... #rashes #differential
Adult-Onset Still's Disease
Clinical triad: Fever, Arthralgia/arthritis, Skin rash ± odynophagia
+ Biological inflammation: Increased neutrophils, Hyperferritinemia, decreased
Fever, Arthralgia/arthritis ... , Skin rash ± odynophagia ... fraction < 20% Differential ... diagnosis #management #treatment ... #rheumatology
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... permanent alopecia Differential ... Malignancy (e.g. hematologic ... Seizures • Strokes Skin ... vein thrombosis Hematologic
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... test (this is a skin ... ) Differential Diagnosis ... , AS Treatment: ... signs #symptoms #rheumatology
Drug Induced Lupus vs SLE
Drug Induced Lupus (DIL):
 • Epidemiology: -10% of all lupus cases, drug-dependent,
Constitutional symptoms, Arthritis ... • Immunologic Workup ... • Immunologic Workup ... life-threatening • Treatment ... Evolution: Chronic disease
Sweet Syndrome

Acute febrile neutrophilic dermatosis (Sweets Syndrome) is a skin condition characterized by fever and inflamed
with systemic disease ... of the joints (arthritis ... , breast CA - Hematologic ... ’s syndrome - Lupus ... Treatment: - Systemic
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... inflammation Others: • Lupus ... Differential ... such as systemic lupus ... #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 ... #approach #workup ... #differential #
Myelodysplastic Syndromes (MDS)

What?
Myelodysplastic syndromes are a group of disorders caused by blood cells that are poorly
formed or don’t work ... just beneath the skin ... Myeloproliferative Disease ... blood count with differential ... Syndromes #diagnosis #hematology
Elevated Globulin - Protein Gap (Total Protein - Albumin > 4)

Work-up of an Elevated Globulin Gap:
•
Albumin > 4) Work-up ... gammopathy, and skin ... (RA, Temporal arteritis ... Gap #ProteinGap #differential ... #diagnosis #hematology