13 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... • Henoch Schönlein ... gangrenosum • IBD ... lesions • Discoid lupus ... #differential #diagnosis
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch Schonlein ... Purpura (HSP, IgA Vasculitis ... ) 55 year old ... #clinical #photo ... #dermatology #skin
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... 45 years old, seen ... later confirmed by skin ... Purpura #Legs #Rash ... #clinical #photo
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... mucositis - Rash ... aphthous ulcers, cutaneous ... such as systemic lupus ... strong sign of cutaneous
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Infection - Vasculitis ... RMSF - Henoch Schonlein ... (lupus, RA, Sjogren's ... cryoglobulins • Skin
Lupus (SLE): Mucocutaneous Manifestations

 • Langerhan cells and keratinocytes release cytokines -> localized inflammatory response ->
response -> Subacute cutaneous ... inflammation on skin ... Malar (butterfly) Rash ... Livedo Reticularis, Vasculitis ... pathophysiology #diagnosis
SLE (Systemic Lupus Erythematosus)

Suspect:
Clinical evidence of (fatigue, rash, photosensitivity, inflammatory arthritis, weight loss, and fever) and
3rd Decade Skin ... Differential Diagnosis ... CNS • Headache, mild ... Seizures • Strokes Skin ... Erythematosus #Diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... Labs/Diagnosis: ... (Henoch-Schönlein ... purpura) • Cutaneous ... (e.g. systemic lupus
IgA Vasculitis – Henoch Scholein Purpura: Pathogenesis and Clinical Findings

 - Infectious Agents - 50% have
Henoch Scholein ... Interleukin 8 (IL8 ... histopathologic term ... response) - Cutaneous ... Pathophysiology #Diagnosis
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Diagnosis Framework ... Differential Diagnosis ... Strong sign of cutaneous ... , mucositis • Rash ... present) Henoch Schonlein