An 8‐year‐old neutered male Maltese dog presented with a month‐long history of progressive nonambulatory tetraparesis. MRI revealed a well‐defined, centrally nonenhanced, T1‐weighted hypointense, extradural structure located in the vertebral canal at the level of the C5 vertebral body. CT demonstrated a hypoattenuating, space‐occupying structure in the same area. Surgery revealed a long, narrow parasite in the epidural space. An adult Dirofilaria immitis was confirmed by multiplex polymerase chain reaction (PCR) assay. This is a novel report describing the MRI and CT features of cervical epidural dirofilariasis in a dog.
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Lim et al. (2024) studied this question.
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