11 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Dermatologic Manifestations ... Diagnosis: Vasculitis ... #Dermatologic ... #dermatology #rash ... #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

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

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Sarcoidosis • GPA ... Discoid skin lesions ... Sarcoidosis #dermatology ... #rashes #differential ... #diagnosis #rheumatology
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Dermatological semiology ... (5%): PAN > GPA ... #dermpath #dermatology ... #diagnosis #clinical ... #differential
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Diagnosis Algorithm ... reddish-purple lesions ... • Severe pain ... RA, Sjogren's, GPA ... #Causes #dermatology
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... Differential Diagnosis ... tract: Abdominal pain ... involvement, abdominal pain ... Diagnosis #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
ischemic skin lesions ... > PR3 60% • GPA ... (Granulomatous ... differential #diagnosis ... #rheumatology #
Vancomycin induced Leukocytoclastic Vasculitis (LCV) of the Hand
70 M vertebral osteomyelitis on vancomycin and cefepime for
Presents with diffuse palpable ... Diagnosis? ... Differential for ... #LCV #Hand #skinrash ... #dermatology #clinical
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
association • M > F Clinical ... , palpable purpura ... Behcet disease) Differential ... Nonsurgical abdominal pain ... signs #symptoms #rheumatology
Giant cell arteritis (GCA)

Giant cell arteritis (GCA) definition: Most common systemic inflammatory vasculitis in older adults
Diagnosis = clinical ... very remarkable w/differential ... diagnosis = vasculitis ... required due to skip lesions ... them, but urgent rheumatology