PMC10040580_01
Abdominal CT scans (A) showed rectal cancer and an intestinal obstruction. The cerebral MRA image (B) showed that the left middle cerebral artery was invisible, while the right was normal.
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F1
He suffered from a severe bowel obstruction due to advanced rectum cancer diagnosed by pathological biopsy revealing poorly differentiated adenocarcinoma and plain computed tomography (CT), which is shown in Figure 1A. The results of cranial magnetic resonance imaging (MRI) showed multiple cerebral infarctions and white matter degeneration, while cerebral vascular magnetic resonance angiography (MRA) was consistent with atherosclerosis, accompanied by left middle cerebral artery invisible, as shown in Figure 1B.
An ultrasound of the abdominal muscles and fascia in the subcostal TAP. (A) Real ultrasound image of the patient; (B) the corresponding schematic view, which is used to show the injection site more clearly; (C) the specific position of the ultrasonic probe on the patient's abdomen. RA, rectus abdominis; LA, local anesthetic.
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F2
Then, hypoechoic shades of local anesthesia spread were confirmed, as shown in Figures 2, 3.
An ultrasound of abdominal muscles and fascia in the lateral TAP. (A) Real ultrasound image of the patient; (B) the corresponding schematic view, which is used to show the injection site more clearly; (C) the specific position of the ultrasonic probe on the patient's abdomen. EO, external oblique muscle; IO, internal oblique muscle; TA, transversus abdominis; LA, local anesthetic.
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F3
Then, hypoechoic shades of local anesthesia spread were confirmed, as shown in Figures 2, 3.