24 results
Petechial/Purpuric Rashes- THE ALGORITHMIC APPROACH 

These rashes can be especially challenging and are
associated with devastating differential
with devastating differential ... occurs in vasculitic ... may have a vasculitis ... as autoimmune vasculitis ... #Diagnosis #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... hemorrhagic skin lesions ... #Differential # ... Diagnosis #hematology ... #rheumatology #
Petechiae/Purpura - Diagnostic Algorithm. Pathophysiology: 1) Represent the passage of erythrocytes from the intravascular to extravascular
Petechiae/Purpura ... Palpable: 1) If lesions ... #Diagnosis #Dermatology ... Rash #Petechiae #Purpura ... Palpable #Algorithm #Differential
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
Petechiae, Palpable purpura ... reticularis Differential ... Henoch-Schönlein purpura ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
- Differential ... skin lesions ... Ocular inflammatory lesions-interstitial ... diminished, or tender pulses ... #rheumatology #
Vascular Skin Lesions - Differential Diagnosis Algorithm
 - Petechiae < 0.2 cm diameter
 - Purpura 0.2
Vascular Skin Lesions ... - Differential ... cm diameter - Purpura ... #SkinRash #dermatology ... #Differential #
Dermatological semiology of Cutaneous Vasculitis 

Clinicopathologic correlations
 • Purpura, papules, pustules, necrosis: involvement of small vessels
correlations • Purpura ... #dermpath #dermatology ... semiology #signs #lesions ... manifestations #pathology #lesions ... #differential
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
disease Palpable purpura ... Hypersensitivity vasculitis ... Henoch Schönlein purpura ... Discoid skin lesions ... #skin #rashes #differential
Vasculitis - Differential Diagnosis Framework

When to Consider Vasculitis:
• Purpura, ischemic skin lesions
• Mononeuritis multiplex
• Hematuria, proteinuria,
Vasculitis - Differential ... diminished, or tender pulses ... < 30 years • Aorta ... claudication, pulse ... Arteritis): • Aorta
Thrombotic Microangiopathies - Primary Thrombotic Microangiopathy (TMA) - Differential Diagnosis Table

 • Thrombotic Thrombocytopenic Purpura (TTP)
Microangiopathy (TMA) - Differential ... Diagnosis Table ... Thrombocytopenic Purpura ... Microangiopathy #TMA #hematology ... #differential #