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Sarah Amy Westergaard

Assistant Professor of Radiation Oncology
Radiation Oncology

Selected Publications


Impact of Hypoxia on Radiation-Based Therapies for Liver Cancer.

Journal Article Cancers (Basel) · February 22, 2024 Background: Hypoxia, a state of low oxygen level within a tissue, is often present in primary and secondary liver tumors. At the molecular level, the tumor cells' response to hypoxic stress induces proteomic and genomic changes which are largely regulated ... Full text Link to item Cite

Engagement and outcomes of cancer patients referred to a tobacco cessation program at a National Cancer Institute-designated cancer center

Journal Article Cancer Medicine · March 1, 2023 Introduction: Tobacco cessation is a critical but challenging intervention for cancer patients. Our National Cancer Institute-designated Comprehensive Cancer Center instituted a tobacco cessation program in 2019. This manuscript reports on the first 2 year ... Full text Cite

Quantifying pulmonary perfusion from noncontrast computed tomography.

Journal Article Med Phys · April 2021 PURPOSE: Computed tomography (CT)-derived ventilation methods compute respiratory induced volume changes as a surrogate for pulmonary ventilation. Currently, there are no known methods to derive perfusion information from noncontrast CT. We introduce a nov ... Full text Link to item Cite

Radiation Therapy for Benign Disease: Arteriovenous Malformations, Desmoid Tumor, Dupuytren Contracture, Graves Ophthalmopathy, Gynecomastia, Heterotopic Ossification, Histiocytosis.

Journal Article Hematol Oncol Clin North Am · February 2020 Although the use of ionizing radiation in malignant conditions has been well established, its application in benign conditions has not been fully accepted and has been inadequately recognized by health care providers outside of radiation therapy. Most freq ... Full text Link to item Cite

Radiation Therapy for Benign Disease: Keloids, Macular Degeneration, Orbital Pseudotumor, Pterygium, Peyronie Disease, Trigeminal Neuralgia.

Journal Article Hematol Oncol Clin North Am · February 2020 Although the use of ionizing radiation on malignant conditions has been well established, its application on benign conditions has not been fully accepted and has been inadequately recognized by health care providers outside of radiation therapy. Most freq ... Full text Link to item Cite

Postoperative radiation for primary melanoma of the cervical spinal cord in a pregnant patient: A case report & review of the literature

Journal Article Interdisciplinary Neurosurgery: Advanced Techniques and Case Management · December 1, 2018 Only 1% of melanomas present with isolated involvement of the central nervous system. Primary melanoma of the spinal cord is especially rare. There are only a handful of cases reported and only one reported during pregnancy. The patient was a 27-year-old f ... Full text Cite

Identification of halophilic microbes in lung fibrotic tissue by oligotyping

Journal Article Frontiers in Microbiology · August 30, 2018 Idiopathic pulmonary fibrosis (IPF) is an incurable disease with poor prognosis and unknown etiology. The poor clinical outcome is associated with enhanced microbial burden in bronchoalveolar lavage fluid from IPF patients. However, whether microbes from t ... Full text Cite

Patterns-of-failure guided biological target volume definition for head and neck cancer patients: FDG-PET and dosimetric analysis of dose escalation candidate subregions.

Journal Article Radiother Oncol · August 2017 BACKGROUND: To identify the radio-resistant subvolumes in pretreatment FDG-PET by mapping the spatial location of the origin of tumor recurrence after IMRT for head-and-neck squamous cell cancer to the pretreatment FDG-PET/CT. METHODS: Patients with local/ ... Full text Link to item Cite

Maternal and pregnancy-related factors affecting human milk cytokines among Peruvian mothers bearing low-birth-weight neonates.

Journal Article J Reprod Immunol · April 2017 Several cytokines have been detected in human milk but their relative concentrations differ among women and vary over time in the same person. The drivers of such differences have been only partially identified, while the effect of luminal cytokines in the ... Full text Link to item Cite

Physician Prevention of Acute Kidney Injury.

Journal Article Am J Med · September 2015 BACKGROUND: The frequency of acute kidney injury has become substantially greater over the recent past. Acute kidney injury, moreover, is associated with increased mortality and morbidity over both the short and long term. Despite these facts, its therapy ... Full text Link to item Cite