- Name the examination.
- Describe the optimal patient’s positioning for this study.
- State the transducer used and its frequency.
- Briefly describe the blood supply to the organ examined in this study.
- Name the labelled structures.
- Ultrasound of the thyroid gland in axial plane.
- Patient lies supine with patient’s neck mildly hyperextended and the head turned slightly away from the side of interest.
- Linear transducer high frequency > 7.5 MHz
- The superior thyroid artery, a branch of external carotid artery supplies the upper pole of thyroid. The inferior thyroid artery, arises from thyrocervical trunk which is a branch of subclavian artery supplies the inferior pole. The thyroidea ima is variable.
- The labelled structures:
- Right Internal jugular vein
- Right common carotid artery
- Right sternocleidomastoid muscle
- Right thyroid lobe