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Use of ultrasonography to identify a periocular plant foreign body in a dog
  1. Courtney Wait,
  2. Jessica Marie Meekins,
  3. Katherine Tucker-Mohl and
  4. David Biller
  1. Clinical Sciences, Kansas State University, Manhattan, Kansas, USA
  1. Correspondence to Jessica Marie Meekins; jslack{at}


A one-year-old female spayed miniature schnauzer was referred to the Kansas State University Veterinary Health Center Ophthalmology Service for evaluation of chronic purulent discharge and conjunctival hyperaemia of the right eye. Two months before presentation, the dog was treated by its primary veterinarian for grass awn foreign bodies in the periocular area. Three visible grass awns were removed, and an associated superficial corneal ulcer healed without complication. However, ocular discharge and conjunctival hyperaemia persisted. Due to the patient’s history and the focal pattern of conjunctival hyperaemia, diagnostic imaging (ultrasound) was recommended to screen for retained plant foreign material. The dog was anaesthetised, and a hyperechoic linear structure was identified in the dorsolateral periocular space on ultrasound examination. The plant material was successfully extracted during a brief conjunctival exploration, and the previously reported clinical signs subsequently resolved over the course of one  week.

  • grass awn
  • periocular
  • foreign body
  • ultrasonography
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  • Contributors JMM and DB developed the idea for the article. CW and JMM performed the literature search and wrote the article. JMM is the guarantor for the finished article, and JMM and DB identified and managed the case. KT-M assisted in image acquisition and interpretation, as well as review of the manuscript.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

  • Data sharing statement No additional data are available.

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