Fig.18.1 Esophagus and thyroid gland. Ultrasound Anatomy. A - Anterior view. B - Transverse section. C - Picto-gram. Horizontal line on the pictogram shows the level of transverse section. Numbers indicate anatomical structures in fig.18.1-18.4. Cartilago thyroidea - lamina sinistra (1), cartilago thyroidea - linea obliqua (2), musculus constrictor pharyngis inferior - pars thyropharyngea (3), musculus constrictor pharyngis inferior - pars cricopharyngea (4), carti-lago cricoidea (5), glandula thyroidea - lobus sinister (6), oesophagus - stratum circulare tunicae muscularis (7), oe-sophagus - stratum longitudinale tunicae muscularis (8), trachea (9).
Fig.18.2. Esophagus and thyroid gland. A - Right lateral view. B - Transverse section. C - Pictogram.
Fig. 18.3. Esophagus and thyroid gland. A - Posterior view. B - Transverse section. C - Pictogram.
Fig. 18.4. Transverse echograms of the esophagus and thyroid gland. Schematic representations of the echo-grams.
<>brSection No.1 - at the level of the cricotracheal ligament.
Section No.2 - at the level of the 3rd tracheal cartilage.
Section No.3 - at the level of the 4th tracheal cartilage.
Section No.4 - at the level of the 5th tracheal cartilage.