Cameron Callaghan MD MPH MS (He/Him)

Radiation Oncology•Rochester, MN

Gastrointestinal Cancer

Associate Consultant

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200 1st St SWRochester, MN 55905
Phone+1 507-284-2511

Summary

Dr. Cameron Callaghan is a Radiation Oncologist based in Rochester, MN, specializing in Gastrointestinal Cancer. He completed his residency in Radiation Oncology at the University of Iowa Hospitals and Clinics in 2022, after earning his MD from Tulane University School of Medicine in 2017. Dr. Callaghan also holds an MPH and an MS in Clinical Anatomy from Tulane. He currently practices at Mayo Clinic since 2022. His research primarily involves the radiosensitization of cancer cells, with recent publications in esteemed journals such as Molecular Cancer Therapeutics and the International Journal of Radiation Oncology, Biology, Physics. Dr. Callaghan's contributions to the field have been recognized with multiple awards, including the RSNA Roentgen Resident/Fellow Research Award and various honors from ASTRO.

Education & Training

University of Iowa Hospitals and ClinicsResidency, Radiation Oncology, 2018 - 2022
University of Central Florida/HCA Florida Healthcare (Greater Orlando/Osceola)Internship, Transitional Year, 2017 - 2018
Tulane University School of MedicineClass of 2017, MD
Tulane School of Public Health and Tropical MedicineMPH, 2013 - 2016
Tulane School of MedicineMS, Clinical Anatomy, 2013 - 2016

Certifications & Licensure

MN State Medical License 2022 - 2025
WI State Medical License 2023 - 2025
IA State Medical License 2018 - 2022
American Board of Radiology Radiation Oncology

Awards, Honors, & Recognition

Annual Meeting Abstract Travel Award in Biology ASTRO, 2021
Oral Presentation ASTRO 2021 Conference ASTRO, 2021
Holman Research Pathway in Radiation Oncology ABR, 2019-2021
RSNA Roentgen Resident/Fellow Research Award RSNA, 2020
Oral Presentation ABS Conference 2019 ABS, 2019
John Hanna Hoerner MD/MPH $10,000 Scholarship for Cancer Research Tulane School of Medicine, 2017
Dr. Howard and Brenda B. Sheridan Endowed Scholarship Tulane School of Medicine, 2017
Olympus Prize for ‘Best Basic Research Paper’ at 33rd World Endourology Conference, London World Endourology Conference, 2015
Poster nominated ‘Best Paper’ at 32nd World Conference on Endourology World Conference on Endourology, 2014
Recipient of the Endourology Society Summer Student Scholarship Tulane School of Medicine, 2014
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Publications & Presentations

PubMed

Linear energy transfer optimized proton therapy for rectal cancer.
Jiasen Ma, Sonja Dragojevic, Nicholas B Remmes, Nicole L Mendelson, Jake A Kloeber
Radiotherapy and Oncology. 2025-03-16
DNA-PK inhibition shows differential radiosensitization in orthotopic GBM PDX models based on DDR pathway deficits.
Sonja Dragojevic, Emily J Smith, Michael S Regan, Sylwia A Stopka, Gerard Baquer
Molecular Cancer Therapeutics. 2024-10-23
Proton Stereotactic Body Radiotherapy for Liver Metastases From Malignant Pancreatic Insulinoma.
Jake A Kloeber, Daniel K Ebner, Krishan R Jethwa, Kenneth W Merrell, Thorvardur R Halfdanarson
JCEM Case Reports. 2024-10-01

Abstracts/Posters

Pharmacologic Ascorbate Enhances the Therapeutic Index of ATM-Inhibitor Based Chemoradiation for Colorectal Cancer.
Callaghan CM, Abukhiran I, VanRheeden R., Ali MY, Petronek MS, Mapuskar KA, Seyedin SN, Kalen AL, Rodman S, Cullen JJ, Coleman M, Goswami P, Buatti JM, Spitz DR, Allen..., Oral presentation. ASTRO 63rd Annual Conference., 10/26/2021
Pharmacologic ascorbate enhances the therapeutic index of ATM-inhibitor based chemoradiation for colorectal cancer.
Callaghan CM, Seyedin SN, Mapuskar KA, Petronek MS, VanRheeden RV, Rodman SN, Cullen JJ, Darbro BW, Spitz DR, Allen BG, Coleman MC, Goswami P, and Caster JM., ASCO 2021, 6/4/2021
Utilizing Pharmacologic Ascorbate to Enhance the Therapeutic Index of DNA Repair Inhibitor-Based Chemoradiotherapy for Rectal Cancers.
Callaghan CM, Seyedin SN, Mapuskar KA, Petronek MS, VanRheeden RV, Rodman SN, Cullen JJ, Darbro BW, Spitz DR, Allen BG, Coleman MC, Goswami P, and Caster JM., ASTRO 2020, 10/25/2020
The Effect of Concurrent Stereotactic Body Radiation and anti-PD-1 therapy for Recurrent Metastatic Sarcoma
Callaghan CM, Seyedin SN, Mohiuddin IH, Hawkes KL, Petronek MS, Anderson CM, Buatti JM, Milhem MM, Monga V, Allen BG., ASTRO 2019, 9/15/2019
Systematic review of intensity-modulated brachytherapy (IMBT): static and dynamic techniques
Callaghan CM, Adams Q, Flynn RT, Wu X, Xu W, Kim Y, ABS 2019 - Oral Presentation., 3/16/2019
Sequelae of Prostate Brachytherapy: Patient Demographics, Disease Characteristics, and Comorbidities.
Callaghan CM, Russell W, Wang L, ASTRO 2016, 10/23/2016
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Lectures

Pharmacologic Ascorbate Enhances the Therapeutic Index of ATM-Inhibitor Based Chemoradiation for Colorectal Cancer
Oral presentation ASTRO 63rd Annual Conference - 10/26/2021
Updates in Diagnosis-specific Graded Prognostic Assessments for Brain Metastases.
ISTRO 2019 - 10/26/2019
Systematic review of intensity-modulated brachytherapy (IMBT): static and dynamic techniques
ABS Annual Conference 2019 Miami, FL. - 3/16/2019