9 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... vasculitis • Henoch Schönlein ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... #rashes #differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
• Petechiae, Palpable ... Maculopapular rash ... reticularis Differential ... • Henoch-Schönlein ... • Goodpasture syndrome
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Leg Rash - Palpable ... Palpable purpura ... Tip: To differentiate ... later confirmed by skin ... #photo #dermatology
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Palpable Purpura ... Vasculitis) 55 year old ... rash. ... Vasculitis #clinical #photo ... #dermatology #skin
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential ... RMSF - Henoch Schonlein ... Rash: - Purpura ... RA, Sjogren's, GPA ... cryoglobulins • Skin
DRESS Syndrome vs SJS/TEN
DRESS
 • Latency: 2-8 weeks
 • Rash: Morbilliform
 • Mucosal involvement: 50% have
DRESS Syndrome vs ... : 2-8 weeks • Rash ... involvement: 50% have mild ... : Painful erythematous ... macules with purpuric
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
present • Henoch Schonlein ... : erythematous nodules ... mucositis - Rash ... scleritis • Palpable ... -> causing palpable
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
: Erythematous nodules ... , mucositis • Rash ... MPO > PR3 60/ GPA ... present) Henoch Schonlein ... ) • Palpable purpura
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Skin ulcers ... Clinical triad of Palpable ... associated vasculitis - GPA ... vasculitis (Henoch-Schönlein ... systemic lupus erythematosus