https://www.healthcentral.com/slideshow/psoriatic-arthritis-or-rheumatoid-arthritis-which-one-do-you-have
Psoriatic ArthritisDiagnosis

Psoriatic Arthritis or Rheumatoid Arthritis: Which One Do You Have?

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Woman with joint stiffness
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Smiling adult daughter comforting her senior mother.
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Family History of Psoriatic Disease


Doctor assessing a patient's joint pain
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Psoriasis and Joint Pain


Woman getting a blood test
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A Positive Rheumatoid Factor Blood Test


Blood test results
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Other Possibilities of a Positive Blood Test


Hand pain
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Joint Pain Symmetry


Swollen fingers

Sausage Fingers


Hands with rheumatoid nodules.
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Rheumatoid Nodules


Damaged fingernails.
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Nail Pitting


Young woman having a genetic test swab.
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Genetic Testing


Doctor showing woman electronic tablet.
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If You Think You’ve Been Misdiagnosed


Casey Nilsson

Casey Nilsson

@casey_nilsson

Casey Nilsson, an award-winning journalist and magazine editor based in Rhode Island, writes about autoimmune disease for HealthCentral. Casey is a 2018 Association of Health Care Journalists fellow, and her reporting on unfair labor conditions for people with disabilities was a finalist for the City and Regional Magazine Association Awards. Diagnosed with psoriatic arthritis in 2016, Casey enjoys digging into rheumatologic news, research and trends.