17 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Associated with Joint Pain ... Rash • Human ... Malar rash ... lesions • Discoid lupus ... #rashes #differential
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... • Sickle Cell Anemia ... Cryoglobulinemia Infectious ... Ulcers #ulcerative #skinrash ... #dermatology #Differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... - Vasculitis ... lesions • Severe pain ... (lupus, RA, Sjogren's ... #Differential #
Vesiculobullous Skin Rash - Differential Diagnosis Algorithm
Vesicles Fragile/EasiIy Ruptured - Intraepidermal blisters, possibly crusts/erosions
 - Inflammatory
Vesiculobullous Skin Rash ... foliaceus - Infectious ... Bullous systemic lupus ... Vesiculobullous #SkinRash ... #dermatology #Differential
Clinical Features of Systemic Lupus (SLE)
General: Fever (50%), Depression, Fatigue (75%), Weight loss (50%)
Eye: Sjögrens (15%)
Skin
Features of Systemic Lupus ... Photosensitivity, Butterfly rash ... , Vasculitis, Purpura ... lesions Abdominal pain ... ) Blood (75%): Anemia
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Aortitis - Differential ... Framework Non-Infectious ... Aortitis: • Vasculitides ... Polyarteritis Nodosa (PAN ... (RA), Systemic lupus
Systemic Lupus Erythematosus - Diagnosis
Manifestations:
 - Arthritis 69%
 - Malar rash 40%
 - Fever 36%
 -
69% - Malar rash ... - Hemolytic anemia ... (aPL) 30-45% Differential ... Other auto-immune, Infectious ... #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... mucositis - Rash ... such as systemic lupus ... to exclude are infections ... #rheumatology #
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
permanent alopecia Differential ... fibromyalgia) • Infections ... Malignancy (e.g. hematologic ... Arthritis: • Joint pain ... lymphopenia, low PLT • Anemia
Top 10 situations when to think about lupus
1) Inflammatory joint pain (especially in the wrists and
Inflammatory joint pain ... and fingers, or pain ... everywhere) 2) A rash ... the face (many differential ... Unexplained fever, when infection