2005 results
Skin Conditions Associated with Joint Pain

Rash
	• Human parvovirus B19 infection

Malar rash
	• SLE
	• Human parvovirus B19 infection
	•
Joint Pain Rash ... infection Malar rash ... infection • Lyme disease ... Plaques • Psoriasis ... arthritis • Psoriatic
Joint Disorders - Differential Diagnosis Algorithm
Monoarthritis
 • Septic
 • Crystalline
     - Gout
Molecular Mimicry” • Psoriatic ... skin disorder psoriasis ... Inflammatory Bowel Disease ... systemic autoimmune disease ... like “butterfly rash
Central Distribution, Febrile / Ill:
 - Viral Exanthem 
 - Lyme Disease (erythema migrans) 
Central Distribution,
Exanthem - Lyme Disease ... Syphilis - Lyme Disease ... distribution: - Psoriasis ... Macules #Papules #Rash
Maculopapular Rashes - THE ALGORITHMIC APPROACH 

The term maculopapule is a portmanteau, a combination
of macule and
distribution of the rash ... assessed for Lyme disease ... and whether the rash ... involvement (psoriasis ... Maculopapular #Rash
Genital Ulcers - Atypical causes of genital ulcers that can be difficult to diagnose & manage.
Others: - Psoriasis ... patch/plaque, +/- psoriatic ... rash elsewhere; ... products - Behcet's disease ... ulcers - Crohn's disease
Pustular Skin Lesions - Differential Diagnosis Framework

What are pustules?
• Pustules < 5-10 mm + pus
• Material
inflammatory skin disease ... Generalized itchy rash ... Pustular psoriasis ... Pustular skin disease ... Pustular psoriasis
PALM RASHES 
Common features and patterns:
1.	Color:
o	Red or erythematous: Common in inflammatory or allergic reactions.
o	Purple or purpuric:
flaky: Seen in psoriasis ... causes like eczema, psoriasis ... hand-foot-and-mouth disease ... like Kawasaki disease ... o Psoriasis: Thick
Moccasin-variety Tinea Pedis 
70 M chronic scaly feet. Over the years: rash has itched only occasionally;
Over the years: rash ... often seen DDX: psoriasis ... University Infectious Diseases
Causes of Secondary IgA Nephropathy - Differential Diagnosis Algorithm
 • GI disorders: Celiac disease, Crohn's disease,
disorders: Celiac disease ... , Crohn's disease ... Colitis • Liver disease ... Alcoholic Cirrhosis, NASH ... spondylitis, RA, SLE, Psoriasis
Consolidation of Psoriasis algorithms for straight-forward, new-diagnosis psoriasis without comorbidities. #algorithm #psoriasis.
Consolidation of Psoriasis ... new-diagnosis psoriasis ... #algorithm #psoriasis