Athena Diagnostics - Testing that Makes a Difference
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Paraneoplastic Syndrome: Cancer
Associated Retinopathy (CAR)

Case Study C
A 63-year-old man with recently diagnosed prostate carcinoma complained of a darkening of vision. A positive reaction to the retinal CAR antigen suggested an autoimmune etiology for the idiopathic retinopathy. This prompted a referral to an ophthalmologist for available treatment of the retinopathy, in addition to concurrent cancer therapy.

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