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Migration of retrobulbar wooden foreign body between diagnostic imaging and surgical extraction in a German shepherd dog
Author(s) -
Cherry Rose L.,
Johnson Kryssa L.,
Hespel AdrienMaxence,
Tobias Karen M.,
Ward Daniel A.
Publication year - 2019
Publication title -
veterinary ophthalmology
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.594
H-Index - 50
eISSN - 1463-5224
pISSN - 1463-5216
DOI - 10.1111/vop.12620
Subject(s) - medicine , foreign body , ultrasound , computed tomography , foreign bodies , nuclear medicine , radiology , anatomy , surgery
A 2‐year‐old, male castrated German shepherd dog was presented to the University of Tennessee Veterinary Medical Center ( UTVMC ) with periorbital swelling and conjunctival mucopurulent discharge 2 days following removal of a twig from the medial canthus by the owner. Diagnostic imaging was pursued due to the suspicion of a retrobulbar foreign body ( FB ). A cylindrical FB approximately 3.0 cm in length and 1.0 cm in diameter with concentric rings, suspected to be wooden material, was identified on computed tomography ( CT ) imaging. An attempt to remove the FB via a stab incision using ultrasound guidance was unsuccessful, and postmanipulation ultrasound confirmed the FB position was unchanged. An exploratory orbitotomy was performed, using the acquired CT images for guidance in locating the FB ; however, the FB was not present at the predicted site. The CT imaging was repeated and showed that the FB had migrated rostrally approximately 3.0 cm, compared to the originally acquired study and its same location during attempted ultrasound‐guided removal. A combination of CT ‐guided needle placement and contrast injection was then used with repeat imaging in an attempt to better localize the FB and its soft tissue tract. The dog was taken back into the operating room, and the wooden FB was successfully removed.

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