7 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Crohn's disease Palpable ... • Henoch Schönlein ... Sarcoidosis • GPA ... #joint #pain #skin ... #differential #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Purpura - Skin ... Syndrome: • Clinical ... triad of Palpable ... - GPA, EGPA, microscopic ... (Henoch-Schönlein
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
seen in Henoch ... Schonlein Purpura ... abdominal pain, joint ... #clinical #photo ... #dermatology #skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... surfaces of the joints ... • Petechiae, Palpable ... • Henoch-Schönlein ... purpura • Mixed cryoglobulinemia
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
infection - RMSF - Henoch ... Schonlein Purpura ... RA, Sjogren's, GPA ... • Skin biopsy ... Algorithm #Causes #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... Vasculitis - Skin ... vesicular eruption - Joints ... Serologies for Cryoglobulins
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
MPO > PR3 60/ GPA ... often present) Henoch ... Schonlein Purpura ... , joint & gut involvement ... / ANCA + MPO) Cryoglobulinemic