83 results
Pruritus - Generalized Differential Diagnosis Algorithm - Systemic and Primary Causes
== Primary Skin Lesions ==
Macules /
Differential Diagnosis Algorithm ... Primary Causes ... Liver Function Tests ... Myelodisplastic syndrome ... #causes
Vasculitis and Vasculitides - Differential Diagnosis Framework

When to Consider Vasculitis:
 • Purpura, ischemic skin lesions
 •
tract, and often causes ... : • Behçet Syndrome ... • Cogan Syndrome ... retinopathy Lab Tests ... differential #diagnosis #rheumatology
Pyoderma Gangrenosum: Autoimmune disorder resulting in a vasculitis which causes slowly progressive 
ulceration of the skin.
resulting in a vasculitis ... which causes slowly ... ulceration of the skin ... a number of systemic ... #Photo #Dermatology
Purpura - Differential Diagnosis Framework

Non-blanchable, dark red to purple, hemorrhagic skin lesions that result from leakage
purple, hemorrhagic skin ... - Bone marrow disease ... Kasabach-Merritt syndrome ... Gardner-Diamond syndrome ... Differential #Diagnosis #hematology
Behçet's Syndrome
Systemic disease associated with inflammation of multiple organs, small-vessel vasculitis and large-vessel vasculopathy
Epidemiology:
 • Young
Systemic disease ... , small-vessel vasculitis ... association • M > F Clinical ... (Clinical Dx). ... signs #symptoms #rheumatology
Aortitis - Differential Diagnosis Framework
Non-Infectious Aortitis:
 • Vasculitides: Giant Cell Arteritis (GCA), Takayasu's arteritis, Cogan's Syndrome,
Non-Infectious Aortitis: • Vasculitides ... arteritis, Cogan's Syndrome ... ANCA associated vasculitis ... Arthritis (RA), Systemic ... Differential #Diagnosis #rheumatology
Causes of Bleeding / Bruising - Differential Diagnosis Algorithm
Thrombocytopenia - Quantitative Defect
 • Decreased Production
 •
Causes of Bleeding ... Differential Diagnosis Algorithm ... Vascular System ... • Steroids • Vasculitis ... #Causes #Hematology
Mucous Membrane Disorder - Differential Diagnosis Algorithm
Erosions/Ulcers/Blisters
 - Primary Dermatologic Diseases
     •
Differential Diagnosis Algorithm ... Stevens-Johnson Syndrome ... necrolysis - Systemic ... Systemic lupus ... #causes
Dermatologic Manifestations of Granulomatosis with Polyangiitis (GPA)

Skin involvement in granulomatosis with polyangiitis (GPA) is common and
GPA causes disease ... Rarely dominate the clinical ... • Goodpasture syndrome ... Polyangiitis #GPA #dermatology ... rash #diagnosis #rheumatology
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