10 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... Palpable purpura ... gangrenosum • IBD ... #rashes #differential
Acute Purpura Fulminans Skin Rash on Physical Exam 
60 year old male ITP s/p splenectomy 
1d
Skin Rash on Physical ... Exam 60 year old ... BIDMC Infectious Diseases ... #Fulminans #Skin ... #photo
Pigmented Purpuric Dermatoses (PPD) - Capillaritis

Group of chronic, benign, cutaneous eruptions characterized by the presence of
and increased skin ... extremities Schamberg Disease ... brown tint of the rash ... eczematous features • Mild ... Dermatoses #Dermatosis #differential
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Schonlein Leg Rash ... 45 years old, seen ... Tip: To differentiate ... later confirmed by skin ... #photo #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitides - Differential ... mucositis - Rash ... Differential ... vasculitis, and SLE ... #Vasculitides #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Vasculitis Differential ... , such as SLE, atherosclerotic ... , mucositis • Rash ... #Vasculitis #Differential
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
SLE (Systemic Lupus ... 3rd Decade Skin ... permanent alopecia Differential ... CNS • Headache, mild ... Seizures • Strokes Skin
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
lesions, palpable purpura ... ) Differential Diagnosis ... Oral aphthae : SLE ... • Arthritis: SLE ... Syndrome #diagnosis #management
Drug Reaction with Eosinophilia and Systemic Symptoms (DRESS)
Definition: 
 • Severe adverse drug reaction, characterized by
rash in association ... Skin involvement ... Resolution > 15 days Differentials ... withdrawal • Mild ... disease: symptomatic
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... (Petechial or purpuric ... rash) • Heart, ... erythematosus [SLE ... Syndrome #Diagnosis #Management