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CT scan shows an expansive lesion in the left PPS. (a-b) Axial CT scan after injection of contrast medium shows an inhomogeneous contrast enhancement of the mass in the left PPS; (c) coronal-MPR shows the extension of the lesion in the ipsilateral laterocervical space; (d) the mass compress the ipsilateral the left internal jugular vein with an evident cleavage plane; the vein presents an extensive thrombosis.
