Rinsho Ganka Volume 62, Issue 8 (August 2008)

Two cases of choroidal tumor with atypical manifestations Shigenobu Suzuki 1 , Shuichi Sano 1 1Ophthalmol Div, Nat Cancer Cent Hosp pp.1269-1273
Published Date 2008/8/15
DOI https://doi.org/10.11477/mf.1410102347
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Abstract. Purpose:To report 2 cases of choroidal tumor with atypical clinical manifestations. Cases:A 57-year-old male showed a choroidal tumor of 17mm in diameter with slight hyperpigmentation. Magnetic resonance imaging(MRI)showed enhanced signal in T2 imaging. Single photon emission CT with radioactive iodine(IMP SPECT)was positive to the eye, suggesting malignant melanoma. Positron emission tomography(PET)showed small cell lung carcinoma, leading to the diagnosis of tumor metastatic to the eye. Another 60-year-old woman showed a grayish choroidal tumor of 15mm in diameter. MRI showed irregular mass in T2 image. The eye was positive for IMP SPECT. Malignant melanoma was diagnosed after enucleation. Conclusion:These cases of choroidal tumor illustrate the necessity of comprehensive approach by funduscopy, MRI and nuclear diagnostic modalities.

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62巻8号 (2008年8月)
電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院