John M. Watkins, MD

Portrait
Clinical Associate Professor of Radiation Oncology

Contact Information

Primary Office
3010 Northgate Dr
Iowa City, IA 52245
319-354-8777

Education

BS, Chemistry and Spanish, Butler University
MD, Indiana University School of Medicine
Internship, Indiana University of Medicine
Chief Resident, Radiation Oncology, Medical University of South Carolina
Resident, Radiation Oncology, Medical University of South Carolina

Licensure and Certifications

American Board of Radiology

Publications

Watkins, J. M., Laszewski, M., Watkins, P. L., Dufan, T. A. & Adducci, C. (2015). Margin involvement at prostatectomy: does a low-risk group exist?. Practical Radiation Oncology, 5, e31-e36. PMID: 25413418.

Watkins, J. M., Laszewski, M., Rodacker, M., Watkins, P. L., Dufan, T., Koleilat, N. & Adducci, C. (2014). A closer look at extraprostatic extension: evaluation of PSA relapse rates following prostatectomy for pT3aN0 prostate cancer with or without margin involvement. Journal of Radiation Oncology & Research, 1, 007.

Lichter, N., Knutson, M., Johnson, L., Watkins, P. L., Dufan, T. A. & Watkins, J. M. (2014). Mastectomy scar boost results in low risk of locoregional recurrence in the setting of close or involved surgical margins. Journal of Cancer Therapy, 5(2), 166-170.

Johnson, J., Lamb, B., Mills, A., Watkins, P., Chaudhary, V., Bharadwaj, J., Dufan, T. A. & Watkins, J. M. (2014). The impact of weight change during and after post-operative chemotherapy on breast cancer control and survival in node-positive patients treated with trimodality therapy. Cancer & Clinical Oncology, 3, 16-26.

Watkins, J. M., Watkins, P. L., Laszewski, M., Dufan, T. A., Rodacker, M. W. & Koleilat, N. (2013). High-Grade Prostate Adenocarcioma (Gleason Score >8): Survival and Disease Control Following Radical Prostatectomy. Community Oncol, 10(7), 197-201.

Watkins, P. L., Watkins, J. M. (2013). An exploratory study of the relation of population density and agricultural activity to hematologic malignancies in North Dakota. WMJ, 112(1), 24-7. PMID: 23513310.

Watkins, P. L., Watkins, J. M., Zauls, A. J., Lackland, D. T., Gillespie, M. B., Hulsey, T. C. & Jenrette, J. M. (2013). Impact of pre-treatment PET on disease control and treatment decisions in locoregionally advanced esophageal cancer patients treated with chemoradiotherapy. Community Oncol, 10(1), 8-15.

Reynolds, J. T., Watkins, J. M., Dufan, T. A. & Kubsad, S. S. (2012). Irradiation of donor mononuclear cells for treatment of chemorefractory metastatic solid cancers: a community-based immune transplant pilot study. Cancer Res Treat, 44, 133-141. PMID: 22802752.

Seyedin, S. N., Mitchell, D. L., Russo, J. K., Mott, S. L., Snow, A. N., Tracy, C. R., Parkhurst, J. R., Smith, M. C., Buatti, J. M. & Watkins, J. M. (2017). Is more always better? An assessment of the clinical impact of nodal yield for clinically localized prostate cancer with low/intermediate risk pathology (pT2-3a/pN0) managed with prostatectomy alone. Pathol Oncol Res. PMID: 29079967.

Watkins, J. M., Mitchell, D. L., Russo, J. K., Mott, S. L., Tracy, C. R., Smith, M. C. & Buatti, J. M. (2017). Gleason <6 prostate cancer at prostatectomy: does a high-risk setting truly exist? A recursive partitioning analysis. Clin Genitourin Cancer, 15(2). PMID: 27338519.

Andresen, N. S., Buatti, J. M., Tewfik, H. H., Pagedar, N. A., Anderson, C. M. & Watkins, J. M. (2017). Radioiodine Ablation Following Thyroidectomy for Differentiated Thyroid Cancer: Literature Review of Utility, Dose, and Toxicity. European Thyroid Journal, 6(4), 187-196. PMID: 28868259.

Kaelberer, J. B., O'Donnell, M. J., Mitchell, D. L., Mott, S. L., Snow, A. N., Buatti, J. M., Smith, M. C. & Watkins, J. M. (2016). Incidental prostate cancer diagnosed at radical cystoprostatectomy for bladder cancer: disease-specific outcomes and survival. Prostate Int, 4(3), 107-12. PMID: 27689068.

Mitchell, D. L., Russo, J. K., Mott, S. L., Tracy, C. R., Smith, M. C., Buatti, J. M. & Watkins, J. M. (2016). Can high-grade prostate cancer (Gleason 8-10) be cured with definitive local therapy without testosterone suppression? Disease control and survival outcomes after up-front radical prostatectomy in patients with high-grade clinically localized disease. Clinics Oncol – Radiat Oncol,.

Kaelberer, J. B., O'Donnell, M. A., Mitchell, D. L., Snow, A. N., Mott, S. L., Buatti, J. M., Smith, M. C. & Watkins, J. M. (2016). Incidental prostate cancer diagnosed at radical cystoprostatectomy for bladder cancer: disease-specific outcomes and survival. Prostate Int, 4, 107-112.

Kaelberer, J., O'Donnell, M., Mitchell, D., Mott, S., Snow, A., Buatti, J., Smith, M. & Watkins, J. M. (2016). Incidental prostate cancer diagnosed at radical cystoprostatectomy for bladder cancer: disease-specific outcomes and survival. Prostate Int.

Watkins, J. M., Mitchell, D. L., Russo, J. K., Mott, S. L., Tracy, C. R., Smith, M. C. & Buatti, J. M. (2016). Gleason <6 prostate cancer at prostatectomy: does a high-risk setting truly exist? A recursive partitioning analysis. Clinical Genitourinary Cancer, S1558-7673. PMID: 27338519.

Mitchell, D. L., Tracy, C. R., Buatti, J. M., Smith, M. C., Snow, A., Henry, M. D., Tewfik, H. & Watkins, J. M. (2016). Individualization of adjuvant therapy following radical prostatectomy for clinically localized prostate cancer: current status and future directions. Clin Genitourin Cancer, 14(1), 12-21. PMID: 26341039.

Parkhurst, J. R., Mott, S. L., Anderson, C. M., Pagedar, N. A., Sperry, S. N., Bayon, R., Sun, W., Buatti, J. M. & Watkins, J. M. (2016). Do intermediate risk factors alone pose sufficient risk to justify adjuvant radiotherapy (RT) in pathologic node-negative (pN0) oral cavity (OC) squamous-cell carcinoma (SqCC)?. Abstract submitted to the 58th Annual Meeting of the American Society for Radiation Oncology (ASTRO), Boston, MA: 25 Sept 2016.

Mitchell, D. L., Russo, J. K., Tracy, C. R., Mott, S. L., Snow, A. N., Smith, M. C., Buatti, J. M. & Watkins, J. M. (2016). Recurrence risk substratification following margin-positive radical prostatectomy: a recursive partitioning analysis. Int J Radiat Oncol Biol Phys.

Russo, J. K., Snow, A. N., Terrell, A., Vishal, S., Liu, B., Mott, S. L., Hellekson, C., Kaelberer, J., Furqan, M., Anderson, C. M., Buatti, J. M. & Watkins, J. M. (2016). Resected p16+ Oropharyngeal Cancer (OPC) with Extranodal Extension (ENE): Is Adjuvant Chemoradiotherapy (CRT) Superior to Radiotherapy (RT) Alone?. Abstract submitted to the 58th Annual Meeting of the American Society for Radiation Oncology (ASTRO), Boston, MA: 25 Sept 2016.

Furqan, M., Saqlain, M. U., Mott, S. L., Patel, R., Laux, D. E., Zhang, J., Abushahin, L. I., Anderson, C. M., Watkins, J. M., Snow, A. N., Sun, W. & Clamon, G. H. (2016). Retrospective comparison between high dose cisplatin & less intensive weekly cisplatin/paclitaxel concurrently with radiation for locally advanced head and neck cancer (LAHNC). Abstract submitted to the 2016 Annual Meeting of the American Society of Clinical Oncology (ASCO), Chicago, IL: 3 June 2016.

Watkins, J. M., Snow, A. N., Mott, S. L., Vishal, S., Hellekson, C., Kaelberer, J., Parkhurst, J., Furqan, M., Anderson, C. M., Buatti, J. M. & Russo, J. K. (2016). Surgically-Managed, Node-Positive (pN+) Oropharyngeal Cancer (OPC): p16-Specific Outcomes and Role of Adjuvant Therapy. Abstract submitted to the 58th Annual Meeting of the American Society for Radiation Oncology (ASTRO), Boston, MA: 25 Sept 2016.

Russo, J. K., Laszewski, M., Rodacker, M., Watkins, P., Dufan, T., Koleilat, N. & Watkins, J. M. (2015). Margin details matter: the prognostic significance of capsule invasion at the site of involved margin in prostatectomy specimens. Urologic Oncology, S1078-1439(15), S1078-1439. PMID: 26097050.

Watkins, J. M., Watkins, P. L., Dufan, T. & Koleilat, N. (2015). High-grade prostate adenocarcinoma (Gleason score >8): survival and disease control following radical prostatectomy versus radiotherapy plus long-course hormone therapy. Journal of Radiation Oncology, 4, 277-282. DOI: 10.1007/s13566-015-0199-2.

Watkins, J. M., Russo, J. K., Laszewski, M., Rodacker, M., Watkins, P. & Koleilat, N. (2015). The apical margin is real: an analysis of post-prostatectomy PSA failure by site of involved margin. Clin Genitourin Cancer.

Watkins, J. M. (2015). What is the optimal management of Gleason score 7 prostate cancer at biopsy? A comparison of disease control for prostatectomy versus radiation therapy. Clin Genitourin Cancer, 13, e73-e77.

Watkins, J. M., Watkins, P. L., Dufan, T. A. & Koleilat, N. (2014). What is the optimal management of Gleason score 7 prostate cancer at biopsy? A comparison of disease control for prostatectomy versus radiation therapy. Clin Genitourin Cancer. PMID: 25458369.

Watkins, J. M., Watkins, P. L. & Dufan, T. A. (2013). Association of primary care provider density and type with breast cancer stage at diagnosis. San Antonio Breast Cancer Symposium.

Zauls, A. J., Watkins, J. M., Lucas, J., Shirai, K. & Sharma, A. K. (2013). Requirement of percutaneous endoscopic gastric tube placement in head and neck cancer treated with definitive concurrent chemoradiotherapy: an analysis of clinical and anatomic factors. Pract Radiat Oncol, 3, 361-369.

Zauls, A. J., Watkins, J. M., Walquist, A. E., Brackett, N. C., Aguero, E. G., Baker, M. K., Jenrette, J. M., Garrett-Mayer, E. & Harper, J. L. (2012). Outcomes in women treated with Mammosite brachytherapy or whole breast irradiation stratified by ASTRO accelerated partial breast irradiation consenus statement groups. Int J Radiat Oncol Biol Phys, 82, 21-29. PMID: 20951508.

Watkins, J. M., Wos, E., Berglund, D., Colby, K., Dufan, T. A. & Koleilat, N. (2012). Synchronous presentation of advanced rectal and intermediate-risk prostate cancers: multidisciplinary approach with favorable response. Community Oncology, 67-72.

Opfermann, K. J., Walquist, A. E., Watkins, J. M., Kohler, M. F. & Jenrette, J. M. (2012). Impact of low dose-rate (LDR) brachytherapy asymmetry on rectal and bladder dose and local failure in cervix cancer. J Contemp Brachytherapy, 4, 3-7.

Watkins, J. M., Zauls, A. J., Kearney, P. L., Shirai, K., Ruppert, B. N., Harper, J. L., Sherman, C. A., Aguero, E. G., Reed, C. E. & Sharma, A. K. (2011). Toxicity, response rates, and survival outcomes of induction cisplatin and irinotecan followed by concurrent cisplatin, irinotecan and radiotherapy for locally advanced esophageal cancer. Japan J Clin Oncol, 41, 334-342. PMID: 21084436.

Watkins, J. M., Kearney, P. L., Opfermann, K. J., Ackerman, S. J., Jenrette, J. M. & Kohler, M. F. (2011). Ultrasound-guided tandem placement for low dose rate brachytherapy in advanced cervix cancer minimize risk for intraoperative uterine perforation. Ultrasound Obstet Gynecol, 37, 241-244.

Kearney, P. L., Watkins, J. M., Shirai, K., Fortney, J. A., Garrett-Mayer, E., Gillespie, M. B. & Sharma, A. K. (2011). Salvage resection for isolated local and/or regional failure of head/neck cancer following definitive concurrent chemoradiotherapy: case series and review of the literature. McGill J Med, 13, 29-37. PMID: 22363192.

Harper, J. L., Watkins, J. M., Ashenafi, M. S. (2010). Imaging applications in multicatheter brachytherapy for soft tissue sarcomas. Cancer Imaging, 10, 127-34. PMID: 20576579.

Watkins, J. M., Fortney, J. A., Wahlquist, A. H., Shirai, K., Garrett-Mayer, E., Aguero, E. G., Sherman, C. A., Turrisi, A. T. & Sharma, A. K. (2010). Once-daily radiotherapy to > or =59.4 Gy versus twice-daily radiotherapy to > or =45.0 Gy with concurrent chemotherapy for limited-stage small-cell lung cancer: a comparative analysis of toxicities and outcomes. Japan J Radiol, 28(5), 340-8. PMID: 20585921.

Watkins, J. M., Zauls, A. J., Wahlquist, A. H., Shirai, K., Garrett-Mayer, E., Gillespie, M. B., Day, T. A. & Sharma, A. K. (2010). Low-dose weekly platinum-based chemoradiation for advanced head and neck cancer. Laryngoscope, 120(2), 236-42. PMID: 19950378.

Harper, J. L., Watkins, J. M., Zauls, A. J., Wahlquist, A. E., Garrett-Mayer, E., Baker, M. K., Cole, D. J., Dragun, A. E. (2010). Six-year experience: long-term disease control outcomes for partial breast irradiation using MammoSite balloon brachytherapy. Am J Surg, 199(2), 204-9. PMID: 19837390.

Ruppert, B. N., Watkins, J. M., Shirai, K., Wahlquist, A. E., Garrett-Mayer, E., Aguero, E. G., Sherman, C. A., Reed, C. E. & Sharma, A. K. (2010). Concurrent chemoradiotherpay with cisplatin/irinotecan cersus carboplatin/paclitaxel for loco-regionally advanced esophageal cancer. Am J Clin Oncol, 33, 346-352.

Watkins, J. M., Wahlquist, A. E., Zauls, A. J., Fields, E. C., Garrett-Mayer, E., Aguero, E. G., Silvestri, G. A. & Sharma, A. K. (2010). High-dose fractionated radiotherapy to 80 Gy for stage I-II medically inoperable non-small cell lung cancer. J Med Imaging Radiat Oncol, 54, 554-561.

Watkins, J. M., Wahlquist, A. E., Zauls, A. J., Shirai, K., Garrett-Mayer, E., Aguero, E. G., Silvestri, G. A., Sherman, C. A. & Sharma, A. K. (2010). Involved field radiotherpay with concurrent chemotherapy for limited stage small cell lung cancer (SCLC): disease control, patterns of failure and survival. J Med Imaging Radiat Oncol, 54, 483-489. PMID: 20958948.

Watkins, J. M., Yehl, M. A., Holloman, D. & Sharma, A. K. (2010). Synchronous presentation of limited stage small cell lung cancer and early stage non small cell lung cancer in a medically inoperable patient: a case report. Community Oncol, 7, 362-365.

Watkins, J. M., Wahlquist, A. E., Shirai, K., Garrett-Mayer, E., Aguero, E. G., Fortney, J. A., Sherman, C. A. & Sharma, A. K. (2009). Factors associated with severe acute esophagitis from hyperfractionated radiotherapy with concurrent chemotherapy for limited-stage small-cell lung cancer. Int J Radiat Oncol Biol Phys, 74(4), 1108-13. PMID: 19084345.

Watkins, J. M., Marshall, D. T., Patel, S., Giglio, P., Sinha, D., Herrin, A. E., Garrett-Mayer, E. & Jenrette, J. M. (2009). High-dose radiotherapy to 78 Gy with or without temozolomide for high grade gliomas. J Neurooncol, 93(3), 343-8. PMID: 19142584.

Watkins, J. M., Shirai, K. S., Herrin, A. E., Stuart, R. K., Chaudhary, U. B., Garrett-Mayer, E., Day, T. A., Gillespie, M. B. & Sharma, A. K. (2009). Toxicity and survival outcomes of hyperfractionated split-course reirradiation and daily concurrent chemotherapy in locoregionally recurrent, previously irradiated head and neck cancers. Head Neck, 31(4), 493-502. PMID: 19156831.

McCutchen, K. W., Watkins, J. M., Eberts, P., Terwilliger, L. E., Ashenafi, M. S. & Jenrette, J. M. (2008). Helical tomotherapy for total lymphoid irradiation. Radiat Med, 26(10), 622-6. PMID: 19132495.

Batchelor, E. C., Watkins, J. M., Creasman, W. T., Sinha, D., Kohler, M. F. & Jenrette, J. M. (2008). The role of radiotherapy in the management of resected uterine papillary serous and clear cell carcinoma. Eur J Obstet Gynecol Reprod Biol, 141(2), 163-8. PMID: 18774213.

Watkins, J. M., Harper, J. L., Dragun, A. E., Ashenafi, M. S., Sinha, D., Li, J., Cole, D. J. & Jenrette, J. M. (2008). Incidence and prognostic factors for seroma development after MammoSite breast brachytherapy. Brachytherapy, 7(4), 305-9. PMID: 18778970.

Cooper, S. L., Chavis, P. S., Fortney, J. A., Watkins, J. M., Caplan, M. J. & Jenrette, J. M. (2008). A case of orbital Rosai-Dorfman disease responding to radiotherapy. J Pediatr Hematol Oncol, 30(10), 744-8. PMID: 19011471.

McRackan, T. R., Watkins, J. M., Herrin, A. E., Garrett-Mayer, E. M., Sharma, A. K., Day, T. A. & Gillespie, M. B. (2008). Effect of body mass index on chemoradiation outcomes in head and neck cancer. Laryngoscope, 118(7), 1180-5. PMID: 18475213.

Watkins, J. M., Stuart, R. K., Davis, B. K., Day, T. A., Chaudhary, U. B. & Sharma, A. K. (2008). Long-term survival following salvage reirradiation with concurrent chemotherapy for recurrent head and neck cancer. J S C Med Assoc, 104(2), 36-9. PMID: 18396601.

Osorio, J. I., Watkins, J. M., Strange, C. & Jenrette, J. M. (2008). Radiation therapy for palliation of Eisenmenger's syndrome-associated painful splenomegaly. Radiat Med, 26(2), 84-7. PMID: 18301984.

Batchelor, E. C., Watkins, J. M. & Jenrette, J. M. (2007). Definitive radiotherapy for medically inoperable early-stage serous and clear cell uterine carcinoma. Radiat Med, 25(10), 536-40. PMID: 18085405.

Schmidt, C. M., Powell, E. S., Yiannoutsos, C. T., Howard, T. J., Wiebke, E. A., Weisenauer, C. A., Baumgardner, J. A., Cummings, O. W., Jacobson, L., Broadie, T. A., Canal, D. F., Goulet, R. J., Curie, E. A., Cardenes, H. R., Watkins, J. M., Loehrer, P. J., Lillemoe, O. W. & Madura, J. A. (2004). Pancreaticoduodenectomy: a 20-year experience in 516 patients. Arch Surg, 139(7), 718-25 discussion 725-7. PMID: 15249403.

Russo, J. K., Snow, A. N., Terrell, A., Vishal, S. J., Laszewski, M., Fisher, C., Liu, B., Mott, S. L., Hellekson, C., Kaelberer, J., Furqan, M., Anderson, C. M., Buatti, J. M. & Watkins, J. M. Resected p16+ Oropharyngeal (OPC) with Nodal Extracapsular Extension (ECE): Is Adjuvant Chemoradiotherapy (CRT) Superior to Radiotherapy (RT) Alone?. ASTRO 2016.