9 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... Differential Diagnosis ... • Henoch-Schönlein ... purpura • Mixed cryoglobulinemia
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Syndrome: • Clinical ... associated vasculitis - GPA ... IgA vasculitis (Henoch-Schönlein
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Purpura seen in Henoch ... Schonlein Purpura ... IgA #Vasculitis #clinical ... #photo #dermatology ... #skin #rash #physicalexam
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 ... cryoglobulins • Skin ... #dermatology #physicalexam
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
> PR3 60% • GPA ... often present • Henoch ... Schonlein Purpura ... tract, and often causes ... ANCA +MPO) • Cryoglobulinemic
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 ... tract, and often causes ... / ANCA + MPO) Cryoglobulinemic
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
inoculate into soft ... dogs & latter can cause ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Diagnosis? ... dermatophytes cause ... covering the foot, hence ... Moccasin tinea pedis skin ... #photo #foot #dermatology
Monkeypox Skin Rash
30 yr F and her 6 yr daughter purchased 2 prairie dogs 10 days
Monkeypox Skin Rash ... Diagnosis? ... for research, hence ... Monkeypox #SkinRash #clinical ... #photo #dermatology