case_images: PMC10676272_01
case_images: PMC10676272_02
case_images: PMC10676272_03
case_images: PMC10676272_04
case_images: PMC10676272_05
case_images: PMC10676272_06
case_images: (a) Longitudinal ultrasound image of the neck: (A) cricoid cartilage, (B) 1st tracheal ring, (C) 2nd tracheal ring, and (D) 3rd tracheal ring. (A) Anterior side. (b) Longitudinal ultrasound image of the neck: (A) cricoid cartilage, (B) 1st tracheal ring, (C) 2nd tracheal ring, and (D) (3rd) tracheal ring. (P) Posterior side.
case_images: CRICC2023-5796473.001.jpg
case_images: PMC10676272_06_CRICC2023-5796473.001.jpg
case_images: fig1
case_images: The physician uses a linear phased array probe to scan the neck and localize the cricoid cartilage, tracheal rings 1st, 2nd, and 3rd, ET tube, thyroid gland, and superior thyroid artery and veins (Figures 1(a) and 1(b) and 2).
case_images: Needle localization on ultrasound longitudinal view. (a) (A) cricoid cartilage, (B) 1st tracheal ring, (C) 2nd tracheal ring, and (D) 3rd tracheal ring; (white arrow) needle black shadow. (A) Anterior side and (P) posterior side. (b) (A) cricoid cartilage, (B) 1st tracheal ring, and (C) 2nd tracheal ring; (white arrow) needle black shadow between (B) and (C). (A) Anterior side and (P) posterior side.
case_images: CRICC2023-5796473.003.jpg
case_images: PMC10676272_06_CRICC2023-5796473.003.jpg
case_images: fig3
case_images: The spaces are localized by longitudinal transection of the trachea starting cephalad at the cricoid and caudad till the 3rd tracheal ring and then between the 1st and 2nd tracheal rings or 2nd and 3rd, using a 22 gage needle slide under the ultrasound probe (Figures 3(a) and 3(b).
case_images: (a, b) Cross-sectional view of neck locating midline structures: thyroid trachea. (a) (T) trachea, (LT) left thyroid lobe, (white arrow) needle shadow, (black arrow) tracheal lumen, (R) right, and (L) left. (b) (T) trachea, (black arrow) tracheal lumen, (white arrow) needle shadow, (*) anterior superior tracheal wall, (R) right, and (L) left.
case_images: CRICC2023-5796473.004.jpg
case_images: PMC10676272_06_CRICC2023-5796473.004.jpg
case_images: fig4
case_images: (a, b) Real-time microendoscope image showing intratracheal cartilage. (a) Intratracheal membrane tissue. (b) Hydrodissection with saline and anterior tracheal wall membrane between tracheal rings 2 and 3.
case_images: CRICC2023-5796473.005.jpg
case_images: PMC10676272_06_CRICC2023-5796473.005.jpg
case_images: fig5
case_images: (a, b) Real-time view or the tracheal lumen: (T) Trachea lumen, (*) anterior superior tracheal wall, (**) posterior tracheal muscular wall, (1) tracheal rings. (c) Real-time scope image intratracheal cartilage dissection: (T) tracheal lumen, (*) anterior superior tracheal wall, and (ET) endotracheal tube.
case_images: CRICC2023-5796473.006.jpg
case_images: PMC10676272_06_CRICC2023-5796473.006.jpg
case_images: fig6
case_images: Real-time view within the Angio catheter.
case_images: CRICC2023-5796473.007.jpg
case_images: PMC10676272_06_CRICC2023-5796473.007.jpg
case_images: fig7
case_images: Wire placement and needle withdrawal.
case_images: CRICC2023-5796473.008.jpg
case_images: PMC10676272_06_CRICC2023-5796473.008.jpg
case_images: fig8
case_images: (C) carina, (LB) left bronchus, and (RB) right bronchus).
case_images: CRICC2023-5796473.009.jpg
case_images: PMC10676272_06_CRICC2023-5796473.009.jpg
case_images: fig9