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The ileocecal valve in transabdominal ultrasound Part 1: Sonographic anatomy and technique

Andrzej Smereczyński

Andrzej Smereczyński

Department of Genetics and Pathomorphology, Pomeranian Medical University; Self-Education Ultrasound Study GroupSzczecin, Poland
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Smereczyński, Andrzej
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Katarzyna Kołaczyk

Katarzyna Kołaczyk

Department of Diagnostic Imaging and Interventional Radiology, Pomeranian Medical UniversitySzczecin, Poland
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Kołaczyk, Katarzyna
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Grzegorz Goncerz

Grzegorz Goncerz

Department of Anatomy, Jagiellonian UniversityKraków, Poland
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Goncerz, Grzegorz
  
08 nov 2024
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Categoría del artículo: Review paper
Publicado en línea: 08 nov 2024
Páginas: 1 - 6
Recibido: 19 abr 2023
Aceptado: 30 jun 2023
DOI: https://doi.org/10.15557/jou.2024.0014
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© 2024 Andrzej Smereczyński et al., published by Sciendo
This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License.

Fig. 1

Right iliac fossa. EIA – right external iliac artery. TI – terminal ileum without distinct mucosal folds with pronounced muscularis. C – cecum with a thin wall, filled with feces. ICV not visible
Right iliac fossa. EIA – right external iliac artery. TI – terminal ileum without distinct mucosal folds with pronounced muscularis. C – cecum with a thin wall, filled with feces. ICV not visible

Fig. 2.

Terminal ileum in a 12-year-old boy. The arrows indicate reactively enlarged Peyer’s patches
Terminal ileum in a 12-year-old boy. The arrows indicate reactively enlarged Peyer’s patches

Fig. 3

A schematic drawing of ICV location
A schematic drawing of ICV location

Fig. 4.

Terminal ileum (TI) ending with a poorly delineated ICV (arrows), visible in fasting ultrasound using transducer pressur
Terminal ileum (TI) ending with a poorly delineated ICV (arrows), visible in fasting ultrasound using transducer pressur

Fig. 5.

US after bowel cleansing. Papillary ICV can be seen in two cross-sections (arrows)
US after bowel cleansing. Papillary ICV can be seen in two cross-sections (arrows)

Fig. 6.

US after bowel cleansing. Lipomatosis of bilabial ICV. The upper lip is denoted with “1” and the lower lip is denoted with “2”
US after bowel cleansing. Lipomatosis of bilabial ICV. The upper lip is denoted with “1” and the lower lip is denoted with “2”

Fig. 7.

Papillary ICV on two sections shown after CT enteroclysis (arrows). The valve is surrounded with fluid
Papillary ICV on two sections shown after CT enteroclysis (arrows). The valve is surrounded with fluid

Fig. 8.

Fasting US using transducer pressure revealed the terminal ileum (TI) ending with non-lipomatous ICV (arrows)
Fasting US using transducer pressure revealed the terminal ileum (TI) ending with non-lipomatous ICV (arrows)

Fig. 9.

Fasting US using transducer pressure shows a lipomatous and closed ICV in two cross-sections (arrows)
Fasting US using transducer pressure shows a lipomatous and closed ICV in two cross-sections (arrows)

Fig. 10.

US after bowel cleansing. ICV is closed (left side of the sonogram). The arrow indicates the visualized paravalvular segment of TI. After a while, the lips of the valve parted – arrows (right side of the sonogram)
US after bowel cleansing. ICV is closed (left side of the sonogram). The arrow indicates the visualized paravalvular segment of TI. After a while, the lips of the valve parted – arrows (right side of the sonogram)

Fig. 11.

Assessment of the vascularization of a lipomatous ICV in B-mode (on the left) and color Doppler (on the right). Despite setting the color Doppler to a very slow flow (2.6 cm/s), it was not possible to show ICV vascularity
Assessment of the vascularization of a lipomatous ICV in B-mode (on the left) and color Doppler (on the right). Despite setting the color Doppler to a very slow flow (2.6 cm/s), it was not possible to show ICV vascularity

Fig. 12.

The divided sonogram compares the appearance of a lipoma of the ascending colon (on the left) with that of ICV lipomatosis (on the right)
The divided sonogram compares the appearance of a lipoma of the ascending colon (on the left) with that of ICV lipomatosis (on the right)
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Calendario de la edición:
4 veces al año
Temas de la revista:
Medicina, Ciencias médicas básicas, Ciencias médicas básicas, otros
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