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Traumatic episcleritis following phosphorus 32 testing

D A Goldfarb, B W Streeten

    Archives of Ophthalmology (Chicago, Ill. : 1960)
    |February 1, 1980
    PubMed
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    Phosphorus 32 testing for choroidal melanomas may cause inflammation and increased tumor invasion. Delayed enucleation after this testing requires careful consideration due to potential adverse effects on melanoma.

    Area of Science:

    • Ophthalmology
    • Oncology
    • Pathology

    Background:

    • Choroidal melanomas are intraocular tumors.
    • Phosphorus 32 (32P) testing is used for diagnosis.
    • Delayed enucleation can occur for logistical reasons.

    Purpose of the Study:

    • To investigate the histopathologic findings in eyes with choroidal melanomas after 32P testing.
    • To assess the relationship between 32P testing, episcleritis, and tumor invasion.
    • To evaluate potential complications of 32P testing on choroidal melanomas.

    Main Methods:

    • Histopathologic examination of five eyes with choroidal melanomas.
    • Correlation of findings with prior 32P testing performed one to four weeks earlier.
    • Analysis of tumor invasion into sclera and episclera.

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    Main Results:

    • Four eyes showed traumatic episcleritis with foreign-body granulomas and scleral edema correlated with 32P testing.
    • Scleral invasion was present in all cases, with episcleral extension in two small melanomas.
    • Tumor invasion was greater than typically observed in small melanomas.

    Conclusions:

    • 32P testing may induce inflammation and potentially stimulate choroidal melanoma growth or invasion.
    • Delayed enucleation after 32P testing warrants careful consideration due to potential adverse effects.
    • Complications like cautery marks juxtaposed with intrascleral tumor highlight risks of 32P testing.