10 results
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
disease via: • Necrotizing ... Skin Findings: • Petechiae ... cell arteritis Infections ... inflammation) • Necrotising ... rash #diagnosis #rheumatology
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... at the site of infection ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... Fasciitis #Bullae #UCSDH
Necrotizing Fasciitis: African-American patient with diabetes that predisposed him to rapidly 
progressive infection. Lower extremity is
Necrotizing Fasciitis ... progressive infection ... As the infection ... Images #Clinical #Photo ... #Fasciitis #UCSDH
Scrotal Fistula: Necrotizing fasciitis has resulted in fistula between perirectal infection and scrotal
area. The scotal opening
Scrotal Fistula: Necrotizing ... between perirectal infection ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Fasciitis #UCSDH
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
related vasculitis, infections ... Small Vessel: Petechiae ... , Palpable purpura ... #dermatology #rheumatology
Macrophage Activation Syndrome (MAS)
Classified among the secondary or acquired forms of haemophagocytic lymphohistiocytosis (sHLH)

What?
A subset of
easy bruising to purpura ... mucosal bleeding (Petechial ... or purpuric rash ... SLE], AOSD) • Infection ... #Rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
Vasculitis: • Purpura ... MPO > PR3 - Necrotizing ... PR3-ANCA) - Necrotizing ... to exclude are infections ... differential #diagnosis #rheumatology
Necrotizing Fasciitis: Note the extensive edema, erythema, bullae formation, and necrosis in this patient's thigh. At
Necrotizing Fasciitis ... at the site of infection ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Debridement #UCSDH
Necrotizing Fasciitis: Severe infection which travels in the suprafacial plane. In this instance, the infection
started in
Necrotizing Fasciitis ... Goldberg, M.D. - UCSD ... Images #Clinical #Photo ... #Necrotizing #Fasciitis ... #Inguinal #UCSDH
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
to exclude are infections ... have PR3-ANCA) • Necrotizing ... Recurrent middle ear infections ... , recent viral infection ... Differential #Diagnosis #Rheumatology