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A case of unusual subconjunctival inflammatory pseudotumor diagnosed by gene analysis of immunoglobulin Yuki Terasaka 1 , Hiroko Katano 2 , Akiko Hasegawa 1 , Kuo Chuan-Hui 1 , Dai Miyazaki 1 , Yoshitsugu Inoue 1 1Div of Ophthalmol and Vis Sci, Fac of Med, Tottori Univ 2Dept of Ophthalmol, Matsue Munic Hosp pp.53-57
Published Date 2008/1/15
DOI https://doi.org/10.11477/mf.1410102111
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Abstract. Purpose:To report a case of subconjunctival inflammatory pseudotumor diagnosed by gene analysis of immunoglobulin. Case:A 38-year-old female presented with hyperemia in her left eye since 4 months before. Findings:Her visual acuity was 1.5 in either eye. A hyperemic tumor, 10mm in diameter, was present in the upper bulbar conjunctiva. The left eye also showed signs of anterior uveitis. Biopsy of the tumor showed infiltration of lymphocytes, suggesting mucosa-associated lymphoiod tissue(MALT). Molecular analysis of immunoglobulin gene showed absence of monoclonality, leading to the diagnosis of inflammatory pseudotumor. The same finding was observed by a similar analysis of tissue obtained during total resection of the tumor one year later. Conclusion:Subconjunctival tumor may be difficult to diagnose by clinical or histopathological means. Gene analysis of immunoglobulin may be useful in such instances.


Copyright © 2008, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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