17 results
Algorithm for Diagnosis of the Petechial / Purpuric Rash

Febrile/Toxic, Palpable: 
 - Meningococcaemia, Disseminated Gonococcal Infection,
Algorithm for Diagnosis ... - Autoimmune Vasculitis ... #Purpuric #Petechiae ... #Algorithm #Diagnosis ... #Dermatology #Skin
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
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... Small Vessel: Petechiae ... , Palpable purpura ... - GPA Cutaneous ... #differential #diagnosis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... - Diagnostic Algorithm ... . 2) When cutaneous ... #Dermatology #Rash ... #Petechiae #Purpura
Causes of Petechial Rash - Differential Diagnosis Algorithm

Pinpoint areas (less than 2 mm) of hemorrhage, which
- Differential Diagnosis ... Algorithm Pinpoint ... Infection - Vasculitis ... RA, Sjogren's, GPA ... #Algorithm #Causes
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... (5%): PAN > GPA ... , EGPA • Solid ... #dermatology #semiology ... signs #lesions #diagnosis
Rapidly Progressive Glomerulonephritis (RPGN)
RPGN has three primary pathophysiologic causes differentiated by immunofluorescence

Immune Complex Mediated (granular staining):
Henoch-SchonIein Purpura ... , MPA >>> GPA Stanford ... Glomerulonephritis #Vasculitis ... #differential #diagnosis ... #algorithm #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Skin Findings: • Petechiae ... sensation or pain: • Petechiae ... Differential Diagnosis ... #dermatology #rash ... #diagnosis #rheumatology
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
- Differential Diagnosis ... Algorithm - Petechiae ... cm diameter - Purpura ... #SkinRash #dermatology ... #Algorithm #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... aphthous ulcers, cutaneous ... strong sign of cutaneous ... • ANCA (Dx: GPA ... #rheumatology #