41 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Liver Function Tests ... Cholestatic liver disease ... Myelodisplastic syndrome ... Psychiatric Disease ... #generalized #dermatology
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
infection • Lyme disease ... migrans • Lyme disease ... Sarcoidosis • Crohn's disease ... Antiphospholipid-antibody syndrome ... #rashes #differential
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
response to local skin ... (this is a skin ... prick test that ... ) Differential Diagnosis ... signs #symptoms #rheumatology
Vasculitis Involving the Skin - Differential Diagnosis Framework

Primary: 50% Cutaneous Vasculitis: Leukocytoclastic Vasculitis
Secondary: CTD: SLE, RA
- Differential ... Vasculitis: • Behcet Disease ... • Cogan syndrome ... #dermatology #rheumatology ... #differential #
Cutaneous manifestations associated with myelodysplastic syndrome
 • Myeloid hemopathy with the most frequent skin lesions (20%)
most frequent skin ... appearing during the disease ... #differential # ... diagnosis #dermatology ... oncology #clinical #skin
Systemic Lupus Erythematosus - Summary
Antinuclear (ANA) - 95% - Initial screening test
Anti-dsDNA - 50%
 • Associated
Initial screening test ... Associated with skin ... block • Sjogren syndrome ... polymyositis overlap syndrome ... Summary #diagnosis #rheumatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
Purpura - Differential ... purple, hemorrhagic skin ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Vasculopathy #Purpura #Differential
Behcet's Syndrome - Diagnosis
Diagnostic Criteria for Behget's Syndrome (International Study Group for Behget's Disease):
 • Recurrent,
Behcet's Syndrome ... vasculitis - Skin ... Abnormal pathergy test ... Wide variety of skin ... #criteria #rheumatology
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... reticularis Differential ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
- Differential ... fingers, volar wrists ... SAPHO syndrome ( ... Sweet syndrome ... #Lesions #Differential