Fig. 26.1. Thyrohyoid muscle and thyroid gland. Uultrasound anatomy. Anterior view.
A - Origin and insertion of thyrohyoid muscle. Origin - oblique line of the thyroid cartilage. Insertion - greater horn of the hyoid bone. B - Position of thyrohyoid muscle. C - Thyrohyoid muscle and thyroid gland. Numbers indicate ana-tomical structures and structural elements in fig.26.1-26.2. Os hyoideum - corpus (1), os hyoideum - cornu majus (2) cartilago thyroidea - lamina (3), cartilago thyroidea - linea obliqua (4), cartilago cricoidea (5), trachea (6).
Fig. 26.2. Thyrohyoid muscle and thyroid gland. Ultrasound anatomy. Right lateral view.
A - Origin and insertion of thyrohyoid muscle. B - Position of thyrohyoid muscle. C - Thyrohyoid muscle and thyroid gland. Numbers indicate anatomical structures and structural elements in fig.26.1-26.2. Os hyoideum - corpus (1), os hyoideum - cornu majus (2) cartilago thyroidea - lamina (3), cartilago thyroidea - linea obliqua (4), cartilago cricoidea (5), trachea (6).
Fig.26.3. Transverse echograms of the fore-part of the neck performed at the level of thyrohyoid muscle and their schematic representations. Normal.
Section No.1 - at the level of the superior tubercles of the thyroid cartilage.
Section No.2 - at the level of the upper third of the thyroid cartilage.
Section No.3 - at the level of the lower third of the thyroid cartilage
Section No.4 - at the level of the inferior tubercles of the thyroid cartilage.