A Case of Multiple Uveal Cysts Associated with Persistent Pupillary Membrane in Dog

DOI
  • KANAI Kazutaka
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • FUJISAWA Akiko
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • IKEGUCHI Mai
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • HORI Yasutomo
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • SHIMAMURA Shunsuke
    Department of Small Animal Surgery, School of Veterinary Medicine, Kitasato University
  • NAKAO Ruriko
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • HOSHI Fumio
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • OKANO Shozo
    Department of Small Animal Surgery, School of Veterinary Medicine, Kitasato University
  • ITOH Naoyuki
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University
  • HIGUCHI Seiichi
    Department of Small Animal Internal Medicine, School of Veterinary Medicine, Kitasato University

Bibliographic Information

Other Title
  • 犬の瞳孔膜遺残に合併したぶどう膜嚢胞の1例

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Description

A 7-year-old female Chihuahua presented with a complaint of localized central corneal opacity and distorted iris in the right eye. Ophthalmic evaluation with a slit-lamp biomicroscope revealed several persistent pupillary tissue strands arising from a minor iridal circle and iris collarette attached to the corneal endothelium, causing corneal opacity. The mobility of the iris was impaired, and the pupil was distorted and partly obscured by the strands. Other ophthalmic findings included multiple and small brown-pigmented uveal cysts at the pupillary margin and slightly localized iris hyperemia around the distorted iris. Uveal cysts can be congenital and acquired, but their cause is largely unknown. In this case, the possible cause of the uveal cyst formation and/or enlargement was suggested to be the repeated expansion and contraction due to the physical obstruction of the iris by the pupillary strands.

Journal

  • Animal Eye Research

    Animal Eye Research 27 (0), 39-41, 2008

    Japanese Society of Comparative and Veterinary Ophthalmology

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