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Virtual Monoenergetic Images Facilitate Better Identification of the Arc of Riolan During Splenic Flexure Takedown.
Li, Qian; Zhang, Pengfei; Zhang, Ranxu; Zhang, Jianfeng; Tian, Ruoxi; Gao, Tianyi; Huang, Yu; Zhang, Ping; Wei, Wei; Hong, Rui; Wang, Guiying; Zhao, Jian.
Afiliación
  • Li Q; From the Departments of Radiology.
  • Zhang P; Gastrointestinal Surgery, The Third Hospital of Hebei Medical University.
  • Zhang R; From the Departments of Radiology.
  • Zhang J; The Second Department of General Surgery, The Fourth Hospital of Hebei Medical University.
  • Tian R; Gastrointestinal Surgery, The Third Hospital of Hebei Medical University.
  • Gao T; Department of Hepatobiliary Surgery, The Third Hospital of Hebei Medical University.
  • Huang Y; Gastrointestinal Surgery, The Third Hospital of Hebei Medical University.
  • Zhang P; From the Departments of Radiology.
  • Wei W; From the Departments of Radiology.
  • Hong R; From the Departments of Radiology.
  • Wang G; Department of General Surgery, The Second Hospital of Hebei Medical University, Shijiazhuang, Hebei, China.
  • Zhao J; From the Departments of Radiology.
J Comput Assist Tomogr ; 48(4): 640-646, 2024.
Article en En | MEDLINE | ID: mdl-38346810
ABSTRACT

OBJECTIVE:

This study aimed to investigate whether virtual monoenergetic images (VMIs) can aid radiologists and surgeons in better identifying the arc of Riolan (AOR) and to determine the optimal kilo electron volt (keV) level.

METHODS:

Thirty-three patients were included. Conventional images (CIs) and VMI (40-100 keV) were reconstructed using arterial phase spectral-based images. The computed tomography (CT) attenuation and noise of the AOR, the CT attenuation of the erector spinal muscle, and the background noise on VMI and CI were measured, respectively. The signal-to-noise ratio, contrast-to-noise ratio (CNR), and signal intensity ratio were calculated. The image quality of the AOR was evaluated according to a 4-point Likert grade.

RESULTS:

The CT attenuation, noise, CNR, and signal intensity ratio of the AOR were significantly higher in VMI at 40 and 50 keV compared with CI ( P < 0.001); VMI at 40 keV was significantly higher than 50 keV ( P < 0.05). No significant difference in signal-to-noise ratio, background noise, and CT attenuation of the spinal erector muscle was observed between VMI and CI ( P > 0.05). virtual monoenergetic image at 40 keV produced the best subjective scores.

CONCLUSIONS:

Virtual monoenergetic image at 40 keV makes it easier to observe the AOR with optimized subjective and objective image quality. This may prompt radiologists and surgeons to actively search for it and encourage surgeons to preserve it during splenic flexure takedown.
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Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tomografía Computarizada por Rayos X Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Adult / Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Revista: J Comput Assist Tomogr Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos
Texto completo
Añadir a Mi BVS
Imprimir
XML
PubMed Links
Buscar en Google

Texto completo: 1 Colección: 01-internacional Base de datos: MEDLINE Asunto principal: Tomografía Computarizada por Rayos X Tipo de estudio: Diagnostic_studies / Prognostic_studies Límite: Adult / Aged / Aged80 / Female / Humans / Male / Middle aged Idioma: En Revista: J Comput Assist Tomogr Año: 2024 Tipo del documento: Article Pais de publicación: Estados Unidos