S i z e i s i n c r e a s e d
Height of the thyroid lobe - 75 mm. Width - 76 mm.
Depth - 38 mm. Depth of the isthmus - 13 mm.
Volume of the thyroid gland (according to the tomographic findings) - 26,3 cm3.
Volume of the space-occupying mass (according to the tomographic findings) - 18,7 cm3.
Echostructure is microgranular, homogenous.
S u r r o u n d i n g o r g a n s a n d
t i s s u e s
Trachea is deformed.
Esophagus is deformed.
Anterior group of muscles - sternothyroid and sternohyoid muscles.
Total depth - 12 mm.
Posterior group of muscles - long muscle of the head, long muscle of the neck,
anterior scalene muscle, middle scalene muscle, posterior scalene muscle. Total depth - 8 mm.
Greater vessels of the neck - the common carotid artery and internal jugular vein.
The left group of the vessels is displaced to outside.
Fig.49.2. Enlargement of the thyroid gland due to a space-occupying mass. Reconstructed two-dimensio-nal images of the thyroid gland. A - Right lateral view - projection on the sagittal plane. B - Anterior view - projection on the fron-tal plane. Scale 1:1. Horizontal lines in fig.49.2.B show the levels of transverse section. Numbers in rectangular frame indicate the sections included in fig.49.1. Signs. 1 - musculus constrictor pharyngis inferior, 2 - cartilago thyroidea, 3 - cartilago cricoidea, 4 - glandula thyroidea, lobus dexter, 5 - oesophagus, 6 - vertebra, 7 - trachea, 8 - space-occupying mass.