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CASE REPORT
Adenocarcinoma of the pigmented ciliary epithelium
  1. Aoi Sukeda1,
  2. Taisuke Mori1,
  3. Shigenobu Suzuki2,
  4. Atsushi Ochiai1
  1. 1Department of Pathology and Clinical Laboratories, National Cancer Center Central Hospital, Tokyo, Japan
  2. 2Department of Opthalamic Tumor, National Cancer Center Central Hospital, Tokyo, Japan
  1. Correspondence to Dr Taisuke Mori, tamori{at}ncc.go.jp

Summary

Adenocarcinoma of the pigmented ciliary epithelium is an exceptionally rare eye tumour, with only a few cases reported to date. We encountered such a case in a 50-year-old woman who reported seeing floaters in her right eye. Fundus examination and MRI revealed an elevated lesion located in the ciliary body compressing the lens. The ciliary body was resected under the diagnosis of ciliary adenoma. On histological examination, the tumour exhibited epithelial features with glandular formation and moderate nuclear pleomorphism. The tumour invaded the subepithelial stroma of the ciliary body. Immunohistochemical findings were positive for cytokeratin OSCAR, AE1/AE3, CK7, EMA, S100, Melan A, HMB45, and microphthalmia-associated transcription factor.

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