Rationale and Objectives
This research examines the prevalence and occurrence of intraoperative vascular injuries
in abdominal or pelvic neuroblastomas. It also investigates the correlations between
preoperative radiographic vascular involvement on computed tomography (CT) and intraoperative
vascular injuries in abdominal or pelvic neuroblastomas.
Materials and Methods
This study enrolled 297 patients with abdominal or pelvic neuroblastomas. The relationships
between neuroblastomas and adjacent arteries on preoperative CT were categorized as
no contact, contact (less than 50% of vessel circumference involved), partial encasement
(less than 100% of vessel circumference involved), and total encasement (100% of vessel
circumference involved). Similarly, the relationships between neuroblastomas and adjacent
veins on preoperative CT were categorized as no compression, flattened with a visible
lumen, and flattened with an invisible lumen. Furthermore, the correlations between
preoperative radiographic vascular involvement of neuroblastomas and intraoperative
vascular injuries were analyzed.
Results
A total of 61 patients had intraoperative vascular injuries, among which 76 vessels
suffered injuries. Venous injuries (66/76, 86.84%) were more common than arterial
injuries (10/76, 13.16%). Moreover, venous injuries frequently occurred in the inferior
vena cava (32/66, 48.48%), renal veins (19/66, 28.79%), and iliac veins (8/66, 12.12%).
All the injured arteries exhibited a total encasement on preoperative CT, and no injury
occurred when the arteries were contacted or partially encased. In total, 87.88% (58/66)
of injured veins were flattened with a visible lumen on preoperative CT, whereas only
12.12% (8/66) of the injured veins were flattened with an invisible lumen.
Conclusion
Intraoperative injuries to veins occur more frequently than that to arteries in abdominal
or pelvic neuroblastomas. Importantly, intraoperative injuries to veins may occur
even if the veins are flattened with a visible lumen.
Key words
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Article info
Publication history
Published online: October 09, 2022
Accepted:
September 12,
2022
Received in revised form:
August 31,
2022
Received:
August 5,
2022
Publication stage
In Press Corrected ProofIdentification
Copyright
© 2022 The Association of University Radiologists. Published by Elsevier Inc. All rights reserved.
