Myelopathy secondary to an intramedullary arteriovenous malformation in a mature dog

A 2‐year‐old crossbreed dog was presented for evaluation of a 6‐week history of progressive paraparesis. Magnetic resonance imaging and computed tomography angiography of the thoracic and lumbar spinal cord disclosed multifocal, anomalous, small, vascular structures, distributed throughout the subar...

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Bibliographic Details
Published in:Journal of veterinary internal medicine 2021-03, Vol.35 (2), p.1098-1104
Main Authors: De Freitas, Maria Ines, Housley, Daniel, Caine, Abby, Fauchon, Emilie, Baiker, Kerstin, Corbetta, Davide, Cherubini, Giunio B
Format: Article
Language:English
Subjects:
arteriovenous malformation
Biopsy
Blood vessels
canine
Case Report
computed tomography angiography
Fecal incontinence
General anesthesia
Magnetic resonance imaging
Medical imaging
myelopathy
SMALL ANIMAL
Spinal cord
Tomography
vascular malformation
Veins & arteries
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Summary:A 2‐year‐old crossbreed dog was presented for evaluation of a 6‐week history of progressive paraparesis. Magnetic resonance imaging and computed tomography angiography of the thoracic and lumbar spinal cord disclosed multifocal, anomalous, small, vascular structures, distributed throughout the subarachnoid space of the included section of the spinal cord. An additional focal intramedullary lesion was identified extending from T9 to T10 to T12. Histopathological examination confirmed the presence of an intramedullary arteriovenous malformation affecting the thoracic spinal cord and leading to diffuse congestion and focal hemorrhages into the affected spinal cord.
ISSN:0891-6640
1939-1676
DOI:10.1111/jvim.16045