Utilization of artificial intelligence for tumor segmentation in head and neck cancers: A systematic review and meta-analysis comparing PET with PET/CT imaging techniques - Report - MDSpire

Utilization of artificial intelligence for tumor segmentation in head and neck cancers: A systematic review and meta-analysis comparing PET with PET/CT imaging techniques

  • By

  • Hamed Hajimokhtari

  • Tina Soleymanpourshamsi

  • Leila Rostamian

  • Ailar Yousefbeigi

  • Soheil Jafari

  • Asal Rezaeiyazdi

  • Mohammadjavad Askari

  • Maryam Khalilian

  • Parsa Vafaei

  • Mahla Esfahaniani

  • Gianrico Spagnuolo

  • Shirin Shahnaseri

  • Parisa Soltani

  • October 27, 2025

  • 0 min

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Clinical Report: Utilization of AI for Tumor Segmentation in Head and Neck Cancers

Overview

This systematic review and meta-analysis evaluates the effectiveness of artificial intelligence (AI) in tumor segmentation for head and neck cancers, comparing PET and PET/CT imaging techniques. The findings indicate that PET/CT significantly enhances segmentation accuracy, which is crucial for treatment planning and patient outcomes.

Background

Head and neck cancers (HNC) represent a significant global health challenge, with high incidence and mortality rates. Accurate imaging and tumor segmentation are essential for effective diagnosis, staging, and treatment planning. The integration of AI in imaging techniques, particularly PET/CT, offers promising advancements in improving segmentation precision, which is vital for optimizing patient care.

Data Highlights

No specific numerical data provided in the source material.

Key Findings

  • AI models, particularly convolutional neural networks, improve tumor delineation in PET/CT imaging.
  • PET/CT fusion imaging enhances the accuracy of tumor segmentation compared to PET alone.
  • Accurate segmentation is critical for effective radiotherapy planning and can influence treatment outcomes.
  • Deep learning approaches can reduce the workload of manual segmentation while maintaining accuracy.
  • Federated learning frameworks enhance the generalizability of segmentation algorithms across different institutions.

Clinical Implications

The integration of AI in tumor segmentation can streamline the imaging process, reduce variability, and improve the accuracy of treatment planning in head and neck cancers. Clinicians should consider adopting AI-enhanced imaging techniques to optimize patient outcomes and minimize treatment-related complications.

Conclusion

AI-driven approaches in PET/CT imaging represent a significant advancement in the management of head and neck cancers. Continued research and implementation of these technologies are essential for improving diagnostic precision and treatment efficacy.

References

  1. European Radiology, 2022 -- Automated Evaluation of Lung Cancer Using 18F-PET/CT with Retina U-Net and Segmentation of Anatomical Regions
  2. European Radiology, 2024 -- Enhancing Lesion Evaluation in Longitudinal CT Imaging: A Multi-Center Study on AI-Enhanced Registration and Volumetric Segmentation Techniques
  3. European Radiology, 2023 -- Automated MRI Segmentation and Radiomic Feature Analysis of Hypopharyngeal Cancer Utilizing Deep Learning Techniques
  4. European Radiology, 2024 -- Creation and assessment of two open-source nnU-Net models for the automated segmentation of lung tumors in PET and CT scans, with and without compensation for respiratory motion
  5. Appropriate Use Criteria for 18F-FDG PET/CT for Initial Staging of Malignant Disease
  6. Application of artificial intelligence in head and neck tumor segmentation: a comparative systematic review and meta-analysis between PET and PET/CT modalities - PMC
  7. AAPM Committee Tree - Task Group No. 384 - Clinical implementation of automated segmentation for adaptive radiation therapy (ART) (TG384)
  8. Appropriate Use Criteria for 18F-FDG PET/CT for Initial Staging of Malignant Disease
  9. Application of artificial intelligence in head and neck tumor segmentation: a comparative systematic review and meta-analysis
  10. AAPM Committee Tree - Task Group No. 384 - Clinical implementation of automated segmentation for adaptive radiation therapy (ART) (TG384)

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