Figure 8a. Retromandibular approach. (a) CT scan shows a mass (M) in the carotid space with medial displacement of the carotid artery (arrowhead). Note the presence of vessels (arrow) in the parotid gland (P) immediately posterior to the mandibular ramus. (b) CT scan shows a biopsy needle (solid arrow) passing immediately posterior to the vessels (open arrow) in the parotid gland (P) and into the mass (M).