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- W1992867403 abstract "To determine the positive predictive value of ocular cytologic specimens and to describe the cytopathologic findings encountered in ocular samples from patients with intraocular neoplasms.Intraocular fluids and ocular fine needle aspirates (FNAs) cytologically diagnosed as either suspicious or positive for malignancy during a 15-year period were reviewed, and follow-up was obtained.Seventeen patients with intraocular samples diagnosed as suspicious or positive for malignancy (9 vitreous, 6 anterior chamber, 3 FNAs) were identified. The mean patient age was 58 years (range, 3-91). Cytologic diagnoses included: lymphoma (5), suspicious for lymphoma (2), melanoma (6), suspicious for melanoma (2), carcinoma (2) and retinoblastoma (1). Clinical and/or surgical follow-up was available in 12 cases and was consistent with the presence of malignancy in all but one case, which proved to be fungal endophthalmitis. One of two patients with a cytologic diagnosis of carcinoma had melanoma on follow-up. Cytologic samples suspicious or positive for lymphoma showed single, large cells with scant cytoplasm and prominent nucleoli. Cytologic samples suspicious or positive for the epithelioid type of melanoma showed loosely cohesive groups or single cells, marked cellular pleomorphism, large nucleoli, scant to moderately abundant cytoplasm and variable amounts of melanin. Cytologic samples from spindle cell melanomas showed spindle cells without nuclear or cellular pleomorphism, without hyperchromasia, and with inconspicuous nucleoli and occasional nuclear grooves. Loose aggregates of small cells with hyperchromatic nuclei and scant cytoplasm characterized the retinoblastoma samples.The positive predictive value of intraocular fluid cytology was 92%. Reactive lymphoid processes may be difficult to differentiate from lymphoma and epithelioid melanoma from carcinoma in intraocular cytologic specimens." @default.
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- W1992867403 date "1998-01-01" @default.
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- W1992867403 title "Role of Cytopathology in the Diagnosis of Ocular Malignancies" @default.
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- W1992867403 doi "https://doi.org/10.1159/000331616" @default.
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