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Health·P Space·Evidence-backed problem·Published 2026-09-07

The Translational Gap in AI for Oropharyngeal Squamous Cell Carcinoma: A TRIPOD+AI Scoping Review of Methodological Barriers to Treatment Deintensification

Abstract: Rationale and objectives To map artificial intelligence (AI) and radiomics applications in computed tomography (CT), magnetic resonance imaging (MRI), and fluorodeoxyglucose positron emission tomography/CT (FDG-PET/CT) for oropharyngeal squamous cell carcinoma (OPSCC) in the context of human papillomavirus (HPV) status and treatment deintensification, evaluate reporting quality using TRIPOD+AI (Transparent Reporting of a multivariable prediction model for Individual Prognosis Or Diagnosis + Artificial Intelligen…

TRV-2026-1006Peer-reviewedPermanent record — cite & verify
The Translational Gap in AI for Oropharyngeal Squamous Cell Carcinoma: A TRIPOD+AI Scoping Review of Methodological Barriers to Treatment Deintensification

"Sarcoid like lesion in a nuchal lymph node in a case of oropharyngeal squamous cell carcinoma, HE 1" by Patho is licensed under CC BY-SA 3.0. To view a copy of this license, visit https://creativecommons.org/licenses/by-sa/3.0/.

The quick read

A TRIPOD+AI scoping review of 61 studies examined AI and radiomics applied to CT, MRI, and FDG-PET/CT for histologically confirmed oropharyngeal squamous cell carcinoma, focusing on HPV status prediction and treatment deintensification. CT was the dominant modality, manual segmentation and handcrafted radiomics with machine learning were most common, and HPV models reported AUCs from 0.65 to 0.95.

Despite promising discrimination, the review found persistent methodological gaps that prevent clinical translation: only 36.1% had external validation often with performance decline, calibration and missing data handling were largely absent, code and data sharing were rare, and nodal disease was rarely analyzed. The authors concluded standardized protocols, rigorous validation, and structured reporting are needed before tools can safely guide deintensification.

Main points
  • Scoping review included 61 studies from PubMed/MEDLINE and Scopus January 2015-December 2025 on AI/radiomics for histologically confirmed OPSCC.
  • CT was most frequent modality at 49.2%, followed by MRI 29.5% and FDG-PET/CT 21.3%, with manual segmentation 85.2% and handcrafted radiomics with machine learning 57.4%.
  • HPV prediction models reported AUCs of 0.65-0.95, but external validation was limited to 22/61 studies and often showed performance decline.
  • TRIPOD+AI assessment found calibration fully reported in only 6.6% and absent in 91.8%, missing data handling fully reported 3.3% and absent 54.1%, code availability 11.5%.
  • Most studies restricted analysis to primary tumor 78.7%; nodal disease incorporated in 11/61 and sole target in 2/61.
Problem

CT, MRI, and FDG-PET/CT-based AI/radiomics models for oropharyngeal squamous cell carcinoma lack external validation, calibration, transparency, and nodal coverage, precluding safe clinical use to guide HPV-related treatment deintensification.

The rundown

The review followed PRISMA-ScR and screened PubMed/MEDLINE and Scopus from January 2015 to December 2025, including 61 studies: 34 addressed HPV prediction, 29 survival or prognosis, and 3 treatment response, with overlap across objectives.

Reporting quality was scored with TRIPOD+AI 27 items 0-2 scoring, revealing low rates of full reporting for calibration, missing data handling, interpretable risk groups, data availability 19.7% and code availability 11.5%, and limited incorporation of nodal disease beyond primary tumor analysis.

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