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Uveal schwannoma in a brown‐eyed dog
Author(s) -
Marlo Todd L.,
Giuliano Elizabeth A.,
Moore Cecil P.,
Shaw Gillian C.,
Teixeira Leandro B. C.
Publication year - 2018
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.12458
Subject(s) - schwannoma , histopathology , medicine , pathology , immunohistochemistry , presentation (obstetrics) , metastasis , differential diagnosis , iris (biosensor) , case presentation , surgery , cancer , computer security , biometrics , computer science
An eleven‐year‐old, female spayed Boxer dog was diagnosed with a uveal schwannoma (formerly known as the spindle cell tumor of the blue‐eyed dog or SCTBED ) despite having a uniformly brown iris. The patient presented to emergency for ocular discomfort, and the right globe was subsequently enucleated due to glaucoma and submitted for histopathology. Upon histopathologic evaluation, a uveal schwannoma was diagnosed and confirmed with immunohistochemical staining. Complete metastatic evaluation 1 and 6 months after initial presentation did not reveal evidence of metastasis, and the dog remains systemically healthy. This case represents a unique variant of uveal schwannoma and is relevant because although the vast majority of these tumors occur in blue‐eyed dogs, clinicians should not completely rule out this tumor as a differential based on the iris color.