11 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
vasculitis • Henoch ... Schönlein purpura ... Sarcoidosis • GPA ... Antiphospholipid-antibody syndrome ... #differential #diagnosis
Palpable Purpura seen in Henoch Schonlein Purpura (HSP, IgA Vasculitis)

55 year old male on tuberculosis treatment
Schonlein Purpura ... abdominal pain, joint ... #Henoch #Schonlein ... Vasculitis #clinical #photo ... #dermatology #skin
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... suggestive of Henoch-Schonlein ... later confirmed by skin ... #Schonlein #Purpura ... #photo #dermatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
surfaces of the joints ... Maculopapular rash ... • Henoch-Schönlein ... • Goodpasture syndrome ... #dermatology #rash
Inflammatory Joint Pain - Differential Diagnosis Algorithm 
Monoarticular
 • Gout (Podagra, Tophi)
 • Pseudogout
 • Early
- Differential Diagnosis ... Sicca) Syndrome ... Scleroderma • Henoch-Schonlein ... Purpura • Polymyalgia ... polyangiitis (GPA
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... 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
 •
> PR3 60% • GPA ... often present • Henoch ... Schonlein Purpura ... vesicular eruption - Joints ... mucositis - Rash
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
- Skin ulcers ... reticularis & skin ... Labs/Diagnosis: ... associated vasculitis - GPA ... IgA vasculitis (Henoch-Schönlein
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, mucositis • Rash ... MPO > PR3 60/ GPA ... often present) Henoch ... Schonlein Purpura ... , joint & gut involvement
Rare Causes of Abdominal Pain
 • Hereditary Angioneurotic Edema - Recurrent visceral that may by swelling
associated with mild ... and vomiting • Henoch-Schönlein ... purpura - Mostly ... accompanied by joint ... #differential #diagnosis