Richard L. Jennelle, MD

Clinical Professor of Radiation Oncology, and Ophthalmology (Part-Time)

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Dr. Richard L.S. Jennelle is a Clinical Professor of Radiation Oncology at Keck Medical Center of USC and LAC + USC Medical Center. He serves as the Director of USC’s Radiation Oncology Residency Program in the Keck School of Medicine.

Dr. Jennelle graduated summa cum laude from the University of Cincinnati and earned his MD from the UC College of Medicine, where he completed his residency in radiation oncology and was chief resident in his final year.

Dr. Jennelle was previously Associate Professor and Vice-Chair of the Department of Radiation Oncology at the University of Mississippi, and served as the Chair of the University of Mississippi’s Quality Improvement Committee for the Cancer Center.

While at the University of Mississippi, Dr. Jennelle was instrumental in establishing the first ACGME accredited Radiation Oncology Residency Program in the state. Previously, he has served as the Residency Program Director at the University of Arizona and has been critical in his development of USC’s Radiation Oncology Residency Program and its focus on training future leaders in the field.

Dr. Jennelle’s clinical focus is head and neck cancers, gamma knife radiosurgery, thoracic oncology, brachytherapy, and supporting gynecologic radiation oncology. He has a lifelong dedication to addressing the challenges of the medically underserved and excels in collaborating a beneficial partnership between Los Angeles County Hospital and USC’s Keck School of Medicine.


  • Anterior plaque brachytherapy placement for treatment of iris and iridociliary melanomas – surgical procedure and institutional experience Indian J Ophthalmol. 2024 Jan 08. . View in PubMed
  • Outpatient ocular brachytherapy: The USC Experience Adv Radiat Oncol. 2021 Sep-Oct; 6(5):100737. . View in PubMed
  • Accreditation Program for Excellence (APEx): A Catalyst for Quality Improvement Pract Radiat Oncol. 2021 Mar-Apr; 11(2):101-107. . View in PubMed
  • Residency Match Trends, Racial Disparity, and Matching Amid a Pandemic Adv Radiat Oncol. 2021 Mar-Apr; 6(2):100620. . View in PubMed
  • Quantifying Subclinical and Longitudinal Microvascular Changes Following Episcleral Plaque Brachytherapy Using Spectral Domain-Optical Coherence Tomography Angiography J Vitreoretin Dis. 2020 Nov; 4(6):499-508. . View in PubMed
  • Technical Challenges of Heart Avoidance for Synchronous Breast and Lung Cancers in a Postmenopausal Female: A Planning Case Report From a Safety-Net Hospital Adv Radiat Oncol. 2020 Sep-Oct; 5(5):1076-1082. . View in PubMed
  • Practice Patterns for the Treatment of Uveal Melanoma with Iodine-125 Plaque Brachytherapy: Ocular Oncology Study Consortium Report 5 Ocul Oncol Pathol. 2020 May; 6(3):210-218. . View in PubMed
  • Identifying Disparities in Care in Treating Glioblastoma: A Retrospective Cohort Study of Patients Treated at a Safety-net Versus Private Hospital Setting World Neurosurg. 2020 05; 137:e213-e220. . View in PubMed
  • Patient-reported outcomes of the relative severity of side effects from cancer radiotherapy Support Care Cancer. 2020 Jan; 28(1):309-316. . View in PubMed
  • Trends in Radiation Practices for Female Ocular Oncologists in North America: A Collaborative Study of the International Society of Ocular Oncology Ocul Oncol Pathol. 2019 Jan; 5(1):54-59. . View in PubMed
  • Phase 1 Trial of SBRT to the Prostate Fossa After Prostatectomy Int J Radiat Oncol Biol Phys. 2019 05 01; 104(1):50-60. . View in PubMed
  • The Cancer Bell: Too Much of a Good Thing? Int J Radiat Oncol Biol Phys. 2019 10 01; 105(2):247-253.. View in PubMed
  • Outcomes of choroidal melanomas treated with eye physics plaques: A 25-year review Brachytherapy. 2018 Nov – Dec; 17(6):981-989. . View in PubMed
  • Safety-net versus private hospital setting for brain metastasis patients treated with radiosurgery alone: Disparities in follow-up care and outcomes Cancer. 2018 Jan 01; 124(1):167-175. . View in PubMed
  • Development of a Radiation Oncology Resident Continuity Clinic to Improve Clinical Competency and Patient Compliance Int J Radiat Oncol Biol Phys. 2018 03 01; 100(3):551-555. . View in PubMed
  • In Regard to Dr Vapiwala Int J Radiat Oncol Biol Phys. 2017 05 01; 98(1):215. . View in PubMed
  • Use of the Toric Surgical Marker to Aid in Intraoperative Plaque Placement for the USC Eye Physics Plaques to Treat Uveal Melanoma: A New Surgical Technique Ophthalmic Surg Lasers Imaging Retina. 2015 Sep; 46(8):866-70. . View in PubMed
  • Outcomes of medium choroidal melanomas treated with ruthenium brachytherapy guided by three-dimensional pretreatment modeling Brachytherapy. 2015 Sep-Oct; 14(5):718-25. . View in PubMed
  • Radiation-Associated Toxicities in Obese Women with Endometrial Cancer: More Than Just BMI? ScientificWorldJournal. 2015; 2015:483208.. View in PubMed
  • Induction docetaxel, Cisplatin, and 5-Fluorouracil precludes definitive chemoradiotherapy in a substantial proportion of patients with head and neck cancer in a low socioeconomic status population Am J Clin Oncol. 2014 Aug; 37(4):332-6. . View in PubMed
  • Computerized tomography-based radiotherapy improves heterotopic ossification outcomes Bone. 2013 Nov; 57(1):132-6. . View in PubMed
  • The influence of pregnancy on heterotopic ossification post-displaced acetabular fractures surgical repair J Orthop Res. 2013 Jun; 31(6):944-8. . View in PubMed
  • A systematic and evidence-based approach to the management of vertebral metastasis ISRN Surg. 2011; 2011:719715. . View in PubMed
  • Late esophageal toxicity after radiation therapy for head and neck cancer Head Neck. 2010 Feb; 32(2):178-83. . View in PubMed
  • Utility of megavoltage fan-beam CT for treatment planning in a head-and-neck cancer patient with extensive dental fillings undergoing helical tomotherapy Med Dosim. 2010; 35(2):108-14. . View in PubMed
  • Initial clinical experience with helical tomotherapy for head and neck cancer Head Neck. 2009 Dec; 31(12):1571-8. . View in PubMed
  • Prospective study of psychosocial distress among patients undergoing radiotherapy for head and neck cancer Int J Radiat Oncol Biol Phys. 2009 Jan 01; 73(1):187-93. . View in PubMed
  • Paradoxical labeling of radiosurgically treated quiescent tumors with Ki67, a marker of cellular proliferation Stereotact Funct Neurosurg. 1999; 72 Suppl 1:45-52. . View in PubMed
  • Quality assurance system to correct for errors arising from couch rotation in linac-based stereotactic radiosurgery Int J Radiat Oncol Biol Phys. 1997 Jul 01; 38(4):883-90. . View in PubMed
  • Postsurgical recurrent carcinoma of the cervix: reassessment and results of radiation therapy options Radiology. 1996 Nov; 201(2):559-63. . View in PubMed
  • Major geometric variations between intracavitary applications in carcinoma of the cervix: high dose rate vslow dose rate. Int J Radiat Oncol Biol Phys. 1996 Jul 15; 35(5):1035-8. . View in PubMed
  • Resection of multiple pulmonary metastases from a recurrent intracranial meningioma Ann Thorac Surg. 1996 Jun; 61(6):1823-4. . View in PubMed
  • Major geometric variations between multiple high-dose-rate applications of brachytherapy in cancer of the cervix: frequency and types of variation Radiology. 1995 May; 195(2):419-22. . View in PubMed
  • Conventional four-field pelvic radiotherapy technique without computed tomography-treatment planning in cancer of the cervix: potential geographic miss and its impact on pelvic control Int J Radiat Oncol Biol Phys. 1995 Jan 01; 31(1):109-12. . View in PubMed
  • Conventional four-field pelvic radiotherapy technique without CT treatment planning in cancer of the cervix: potential geographic miss Radiother Oncol. 1994 Feb; 30(2):140-5. . View in PubMed