Slide 1 Slide 2 SCAN LEVEL MANDIBLE PAROTID GLAND MASSETER MUSCLE MASSETER MUSCLE PTERYGOID MUSCLES LT Slide 3 SCAN LEVEL SUBCUTANEOUS FAT SUBMANDIBULAR GLAND EPIGLOTTIS STERNOCLEIOMASTOID MUSCLE LT Slide 4 SCAN LEVEL HYOID BONE JUGULAR VEIN JUGULAR VEIN COMMON CAROTID ARTERIES LT VALLECULA PRYIFORM SINUS Slide 5 SCAN LEVEL THYROID CARTILAGE VOCAL CORD STERNOCLEIDOMASTOID MUSCLE LT Slide 6 SCAN LEVEL THYROID CARTILAGE CRICOID CARTILAGE JUGULAR VEIN COMMON CAROTID ARTERY LT Slide 7 SCAN LEVEL CLAVICLE THYROID GLAND F A T F A T LT TRACHEA ESOPHAGUS Slide 8 Slide 9 Slide 10 Normal sella Slide 11 Sella mass Slide 12 Slide 13 Enlarge lymph node Slide 14 CT scan shows left thyroid mass at the level of the clavicles displacing the trachea to the right. Slide 15 Coronal reconstruction of CT data shows thyroid lesion. Slide 16 CT angiography showed left carotid stenosis Slide 17 THANK You