CTPA is a special study that is used to diagnose pulmonary embolisms. Contrast media is used to enhance the main pulmonary artery and its branches.
CT IAM is used to assess pathologies associated with the internal auditory meatus (IAM), and scan is referred for patients with vertigo, hearing loss and tinnitus.
CT abdominal aorta is performed to assess pathologies associated with the abdominal aorta. Either whole aorta or abdominal aorta is acquired, depending on the patient's condition–refer thoracic aortogram article.
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CT 4D neck scan is mainly used to diagnose abnormalities associated with the parathyroid gland, Specially, localizing parathyroid adenomas for surgeries. As it’s in the name, scan has 4 dimensions including 2D images, time (phases) and multiple planes.
CT venogram of lower limbs is mainly used to assess pathologies related to lower limb venous system including deep vein thrombosis (DVT), varicose veins, compressing tumors and venous malformations (Klippel-Trenaunay-weber syndrome). There are two techniques in CTV known as direct and indirect, but here we mention about the indirect.
CT full spine protocol is used to assess spine related fractures and pre surgery planning. It also helps to diagnose spine neoplasms, congenital abnormalities and implant checks.
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