Artificial intelligence: characterization, segmentation of lung nodules through high-resolution

  • Miguel Ángel Hernández Neira Division of Graduate Studies, Faculty of Medicine, University of Zulia.
  • Edunice Mora López Division of Graduate Studies, Faculty of Medicine, University of Zulia.
  • Juan Pablo Monroy Division of Graduate Studies, Faculty of Medicine, University of Zulia.
  • Edilia Elena Noguera Hernández
Keywords: Pulmonary nodules, artificial intelligence, chest tomography

Abstract

Objective: to evaluate artificial intelligence (AI) through high-resolution tomography in the segmentation and characterization of pulmonary nodules (NP) in patients referred to the Hospital Clinic de Maracaibo. Methodology: It was a descriptive investigation, cross-sectional, prospective. A sample of 19 patients over 18 years of age who required a chest tomography. A GE brand multidetector tomograph, were used. Results: they were 11 (57.9%) were female and 8 (42.1%) were male, with an average age of 65±11.0 years. The characterization of the NPs through artificial intelligence, in terms of the size of the nodules the average was 1.6 cm, with the greatest number of cases 6 (31.6%) between 0.5 to 1 cm, multiple 10 (52.6%). Referring to the type; solid and contour; regular 14 (73.7%), predominated in upper lobes: Right 8(42.1%) and Left 5(26.3%).There was no correlation of the number of nodules between the operators with the AI In relation to the type of nodules by the AI were Solid (n=13), coinciding 7 with the first operator and 12 with the second operator and likewise the regular contour of 13 cases detected by the AI, 12 coinciding on with the second operator, which yields a concordance of 92.3%. According to the segmentation through the AI, they were from the Upper Lobe D (n=8), agreeing 4 with the first observer and 5 with the second observer, noting that there was no agreement with 12 cases of the first operator and with 8 cases of the second operator. Conclusion: AI system remains operator dependent, future studies centralized in large-scale validation of new algorithms based on deep learning and new reading paradigms.

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Published
2025-12-22
How to Cite
Hernández Neira, M. Ángel, Mora López, E., Monroy, J. P., & Noguera Hernández, E. E. (2025). Artificial intelligence: characterization, segmentation of lung nodules through high-resolution. REDIELUZ, 15(2), 107 - 113. https://doi.org/10.5281/zenodo.17981140