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Small Animal Radiology and Ultrasound: A Diagnostic Atlas and Text

Small Animal Radiology and Ultrasound: A Diagnostic Atlas and Text

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Chapter Six The Spine 679<br />

A<br />

Fig. 6-15 A 1-year-old male<br />

Doberman Pinscher with incoordination.<br />

A, The lateral cervical myelogram,<br />

taken with the neck in a<br />

neutral position, revealed a moderate-size<br />

ventral extradural mass at<br />

C6-7 consistent with either disc protrusion<br />

or hypertrophy of the dorsal<br />

longitudinal ligament. B, The lateral<br />

cervical myelogram, taken with the<br />

neck extended, revealed an increase<br />

in size of the C6-7 extradural mass<br />

(white arrow), as well as a dorsal<br />

extradural mass at C4-5 consistent<br />

with hypertrophy of the ligamentum<br />

flavum (black arrow). C, The lateral<br />

cervical myelogram, taken with the<br />

neck flexed, showed a slight decrease<br />

in size of the C6-7 ventral extradural<br />

mass (white arrow) <strong>and</strong> complete<br />

resolution of the dorsal extradural<br />

mass at C4-5 (black arrow).<br />

Diagnosis: Wobbler syndrome.<br />

B<br />

C

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