14 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
Petechial/Purpuric ... Rashes- THE ALGORITHMIC ... ; however, an algorithmic ... occurs in vasculitic ... #Diagnosis #Dermatology
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura ... (C-ANCA): GPA > ... Glomerulonephritis #Vasculitis ... #differential # ... diagnosis #algorithm
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
the Skin - Differential ... Small Vessel: Petechiae ... , Palpable purpura ... • ANCA Associated ... - GPA Cutaneous
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
Rash - Differential ... Diagnosis Algorithm ... Infection - Vasculitis ... RA, Sjogren's, GPA ... #Differential #
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... Cryoglobulinemia (MIXED) • ANCA ... - GPA - EGPA ... #Differential # ... Diagnosis #hematology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... ear disease Differential ... (Dx: GPA, EGPA, ... differential #diagnosis ... #rheumatology #
ANCA-Associated Vasculitis
There are many definitions, but most come down to the presence of granulomas (pathologically or
ANCA-Associated ... pathologically or clinically ... #Vasculitis #differential ... #diagnosis #algorithm ... #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Rarely dominate the clinical ... Skin Findings: • Petechiae ... sensation or pain: • Petechiae ... reticularis Differential ... #dermatology #rash
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... #Diagnosis #Dermatology ... #Rash #Petechiae ... #Algorithm #Differential
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Skin Lesions - Differential ... Diagnosis Algorithm ... - Petechiae < ... cm diameter - Purpura ... #SkinRash #dermatology