10 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... GPA causes disease ... • Henoch-Schönlein ... #dermatology #rash ... #diagnosis #rheumatology
Henoch Schonlein Leg Rash - Palpable Purpura
Purpura: Low Platelets or Vasculitis?
45 years old, seen in our
Henoch Schonlein ... Tip: To differentiate ... suggestive of Henoch-Schonlein ... #Schonlein #Purpura ... #photo #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... vasculitis/HSP • Cryoglobulinemia ... Diagnosis #hematology ... #nonpalpable #dermatology
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 ... #diagnosis #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... Identification of causes ... vasculitis (5%): PAN > GPA ... Vasculitis #dermpath #dermatology ... signs #lesions #diagnosis
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
• They can cause ... - Skin ulcers ... Syndrome: • Clinical ... IgA vasculitis (Henoch-Schönlein ... #types #classification
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Causes of Petechial ... infection - RMSF - Henoch ... Schonlein Purpura ... cryoglobulins • Skin ... #Causes #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
often present • Henoch ... Schonlein Purpura ... tract, and often causes ... #diagnosis #rheumatology ... #classification
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
often present) Henoch ... Schonlein Purpura ... tract, and often causes ... / ANCA + MPO) Cryoglobulinemic ... #Diagnosis #Rheumatology
Capnocytophaga Canimorsus Skin Rash

40 M presents w/ N, V, severe epigastric pain. SHx: smoker, drinks 18
inoculate into soft ... +purpuric rash → ... the key to the diagnosis ... #Rash #dermatology ... #clinical #photo