11 results
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
Inflammatory Joint Pain ... Scleroderma • Henoch-Schonlein ... (GPA)/microscopic ... polyangiitis (MPA ... #Orthopedics #Causes
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
vasculitis • Henoch ... Schönlein purpura ... Sarcoidosis • GPA ... Sarcoidosis #dermatology ... #joint #pain #skin
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
(GPA) Skin involvement ... GPA causes disease ... Rarely dominate the clinical ... • EGPAHenoch-Schönlein ... #GPA #dermatology
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
lesions • Severe pain ... infection - RMSF - Henoch ... Schonlein Purpura ... RA, Sjogren's, GPA ... cryoglobulins • Skin
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
• Microscopic Polyangiitis ... > PR3 60% • GPA ... often present • Henoch ... Schonlein Purpura ... tract, and often causes
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Purpura - Skin ... Syndrome: • Clinical ... polyangiitis ... IgA vasculitis (Henoch-Schönlein
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
tract: Abdominal pain ... often present) Henoch ... Schonlein Purpura ... tract, and often causes ... involvement, abdominal pain
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
dermatophytes cause ... covering the foot, hence ... Moccasin tinea pedis skin ... Variety #type #clinical ... #photo #foot #dermatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
severe epigastric pain ... inoculate into soft ... dogs & latter can cause ... #Rash #dermatology ... #clinical #photo