15 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
polyangiitis (GPA ... GPA causes disease ... Findings: • Petechiae ... sensation or pain: • Petechiae ... rash #diagnosis #rheumatology
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Henoch Schonlein Purpura ... Non-Palpable Rash: - Purpura ... RA, Sjogren's, GPA ... , EGPA, Microscopic ... cryoglobulins • Skin
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
Involving the Skin ... Small Vessel: Petechiae ... , Palpable purpura ... - GPA Cutaneous ... #dermatology #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... vasculitis - GPA ... - EGPA - MPA ... Differential #Diagnosis #hematology ... #rheumatology #
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Skin Conditions ... disease Palpable purpura ... Henoch Schönlein purpura ... Sarcoidosis • GPA ... differential #diagnosis #rheumatology
Approach to the Rash in a an oncology patient - MINT-C Mnemonic
M - Malignancy: Leukemia cutis,
Coagulopathy: Purpura ... Thrombocytopenia (ie petechiae ... dermatoses #skin ... differential #diagnosis #cancer
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... , ischemic skin ... > PR3 60% • GPA ... • ANCA (Dx: GPA ... differential #diagnosis #rheumatology
Diagnosis of IgA Vasculitis (Henoch-Schönlein Purpura) - French Vasculitis Study Group 

1) Suggestive clinical manifestations
Henoch-Schönlein Purpura ... Symmetric palpable purpura ... especially in the skin ... HSP #Diagnosis #Rheumatology ... #Peds #Pediatrics
Cryoglobulinemia Summary

Cryoglobulins:
 • Cryoglobulins are Igs in the serum that precipitate in vitro at temperatures below
Arthralgia - Purpura ... - Skin ulcers ... reticularis & skin ... associated vasculitis - GPA ... classification #rheumatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
, ischemic skin ... MPO > PR3 60/ GPA ... cmpkx deposits skin ... Vasculitis: • Skin ... Differential #Diagnosis #Rheumatology