Fig. 30.1. Sternohyoid muscle and thyroid gland. Uultrasound anatomy.
A - Anterior view. B - Right lateral view. Origin - posterior surface of the presternum. Insertion - body of the hyoid bone. Numbers indicate anatomical structures and structural elements in fig.30.1-30.3. Os hyoideum - cornu majus (1), os hyoideum - cornu minus (2), os hyoideum - corpus (3), ñartilago thyroidea - lamina (4), costa I (5), manubrium sterni (6), incisura clavicularis (7), incisura costalis I (8), glandula thyroidea (9).
Fig. 30. 2. Origin of sternohyoid muscle. A - Anterior view. B - Right lateral view.
Fig. 30. 3. Insertion of sternohyoid muscle. A - Anterior view. B - Right lateral view.
Fig.30.4. Transverse echograms of the fore-part of the neck performed at the level of the sternohyoid muscle and their schematic representations. Normal.
Section No.1 - at the level of the middle part of the thyroid cartilage.
Section No.2 - at the level of the upper thyroid poles.
Section No.3 - at the level of the thyroid isthmus.
Section No.4 - at the level of the lower thyroid poles.