59 results
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
Connective tissue disease ... (3%) • Infections ... #dermatology #semiology ... #signs #lesions ... #diagnosis #clinical
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
appearing during the disease ... Infectious manifestations ... leukocytoclastic vasculitis ... #differential #diagnosis ... #dermatology #oncology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential Diagnosis ... , infections, drug ... : • Behcet Disease ... #dermatology #rheumatology ... #differential #diagnosis
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
resemble pyoderma gangrenosum ... Differential Diagnosis ... cell arteritis Infections ... • Fungal infections ... #rash #diagnosis
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
parvovirus B19 infection ... parvovirus B19 infection ... PAN Pyoderma gangrenosum ... Sarcoidosis #dermatology ... #differential #diagnosis
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
integrity (trauma, infection ... , vasculitis) or ... . 2) When cutaneous ... commonly renal and ... #Dermatology #Rash
Skin Ulcers by Etiology - Differential Diagnosis Algorithm
Physical:
 • Trauma
 • Pressure
 • Radiation
Vascular:
 • Arterial
insufficiency • Vasculitis ... Mycosis fungoides (cutaneous ... : • Pyoderma gangrenosum ... Cryoglobulinemia Infectious ... ulcerative #skinrash #dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
- Differential Diagnosis ... SLE) - Viral infections ... APLS • Acute Infectious ... reactions • Erythema gangrenosum ... #nonpalpable #dermatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential Diagnosis ... aphthous ulcers, cutaneous ... to exclude are infections ... purpura: strong sign ... of cutaneous leukocytoclastic
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
) • Cutaneous Lesions ... thrombophlebitis, pyoderma gangrenosum ... lesions, pyoderma gangrenosum ... +/- myocardial infarction ... #management #signs