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Diandra Norelle Ayala-Peacock

Associate Professor of Radiation Oncology
Radiation Oncology
Radiation Oncology, Box 3085, Durham, NC 27710
Radiation Oncology, P O Box 3085, Durham, NC 27710

Current Appointments & Affiliations


Associate Professor of Radiation Oncology · 2021 - Present Radiation Oncology, Clinical Science Departments
Member of the Duke Cancer Institute · 2023 - Present Duke Cancer Institute, Institutes and Centers

Recent Publications


Radiation De-Escalation in Older Women with Early-Stage ER+/HER2- Invasive Breast Cancer.

Journal Article Ann Surg Oncol · March 2026 BACKGROUND: National recommendations since 2004 have allowed for omission of post-lumpectomy radiotherapy for patients ≥70 years old with early-stage estrogen receptor positive (ER+)/human epidermal growth factor receptor 2-negative (HER2-) breast cancer. ... Full text Link to item Cite

A novel multi-modality imaging phantom for validating interstitial needle guidance for high dose rate gynecological brachytherapy.

Journal Article J Appl Clin Med Phys · October 2023 PURPOSE: To design, manufacture, and validate a female pelvic phantom for multi-modality imaging (CT, MRI, US) to benchmark a commercial needle tracking system with application in HDR gynecological (GYN) interstitial procedures. MATERIALS AND METHODS: A GY ... Full text Open Access Link to item Cite

Real-Time Precision Needle Tracking for Gynecological Interstitial Brachytherapy: A Phantom Feasibility Study

Conference International Journal of Radiation Oncology*Biology*Physics · October 2023 Full text Cite
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Recent Grants


Artia Cervix Study

Clinical TrialPrincipal Investigator · Awarded by Varian Medical Systems, Inc. · 2026 - 2026

NRG ONCOLOGY NETWORK GROUP OPERATIONS CENTER

ResearchPrincipal Investigator · Awarded by NRG Oncology · 2024 - 2026

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Education


Wake Forest University, School of Medicine · 2010 M.D.