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Fig. 1 | BMC Veterinary Research

Fig. 1

From: Intra-arterial versus intra venous contrast-enhanced computed tomography of the equine head

Fig. 1

Transverse IA contrast enhanced CT images of the equine head (right is to the left and dorsal is to the top). a At the level of the 09’s, ROI’s are placed on the epithelial lining of the ventral nasal conchae (1), the nasal septum (2), the tongue (3) and the masseter muscles (4). Note the homogeneous (star) and inhomogeneous and patchy (diamond) enhancement pattern in the nasal septum. b At the level of the eyes, ROI’s are placed on the corpi vitreum (5). c At the level of the temporo-mandibular joints, ROI’s are placed on the pituitary gland (6), the cerebral cortex (7), the maxillary veins (8) and the temporal muscles (9). d At the level of foramen magnum, ROI’s are placed on the parotid salivary gland (10), the longus capitis muscles (11) and the brainstem (12). Note the different ROI’s placed on the grey matter (circle) and white matter (doted circle) of the cerebrum and brainstem in figures (c) and (d)

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