Uncertainty estimation for trust attribution to speed-of-sound reconstruction with variational networks - Scorecard - MDSpire

Uncertainty estimation for trust attribution to speed-of-sound reconstruction with variational networks

  • By

  • Sonia Laguna

  • Lin Zhang

  • Can Deniz Bezek

  • Monika Farkas

  • Dieter Schweizer

  • Rahel A. Kubik-Huch

  • Orcun Goksel

  • June 10, 2025

  • 0 min

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Clinical Scorecard: Estimation of Uncertainty in Trust Attribution for Speed-of-Sound Reconstruction Utilizing Variational Networks

At a Glance

CategoryDetail
ConditionBreast cancer diagnosis differentiating malignant ductal carcinoma and benign fibroadenoma lesions
Key MechanismsSpeed-of-sound (SoS) imaging via pulse-echo ultrasound and variational network-based inverse problem reconstruction with uncertainty estimation
Target PopulationWomen undergoing breast lesion evaluation for cancer diagnosis
Care SettingClinical breast imaging and diagnostic ultrasound settings

Key Highlights

  • Speed-of-sound imaging provides quantitative biomechanical tissue markers aiding differentiation of malignant and benign breast lesions.
  • Variational networks enable model-based SoS reconstruction from limited-angle pulse-echo ultrasound data trained on simulated data.
  • Uncertainty estimation frameworks (Monte Carlo Dropout, Bayesian Variational Inference) improve trust attribution and acquisition frame selection.

Guideline-Based Recommendations

Diagnosis

  • Utilize pulse-echo ultrasound SoS imaging to differentiate ductal carcinoma from fibroadenoma based on distinct SoS contrasts.
  • Incorporate variational network reconstruction methods trained on simulated data for SoS map generation.

Management

  • Select optimal acquisition frames using uncertainty estimates to improve diagnostic reliability and efficiency.
  • Leverage non-ionizing, real-time ultrasound SoS imaging as a complementary tool to mammography and MRI.

Monitoring & Follow-up

  • Apply uncertainty metrics to monitor reconstruction confidence and guide repeated acquisitions if needed.

Risks

  • Recognize limitations of conventional biopsy including localized sampling and procedural complications.
  • Account for potential variability in deep learning outputs by integrating uncertainty estimation to mitigate diagnostic errors.

Patient & Prescribing Data

Women with breast lesions undergoing ultrasound evaluation for cancer diagnosis

SoS imaging with uncertainty-informed acquisition selection can enhance early detection and differentiation of malignant versus benign lesions, potentially reducing reliance on invasive biopsy.

Clinical Best Practices

  • Use pulse-echo ultrasound with variational network reconstruction for SoS imaging to achieve real-time, non-ionizing breast lesion assessment.
  • Incorporate uncertainty estimation methods to quantify trustworthiness of SoS reconstructions and guide frame selection.
  • Train reconstruction models on simulated data to ensure generalizability to in vivo clinical scenarios.
  • Employ algebraic reformulations for efficient uncertainty computation on standard clinical hardware.

References

Original Source(s)

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