Shyamal A. Patel, MD

Department

Radiology (Phoenix)

Position

Associate Professor

Articles

• Handbook of Cancer Treatment-Related Symptoms and Toxicities
  Patel Shyamal, Thawani Nitika, Chapter 29 - Cardiovascular Toxicities of Radiation Therapy [Book Chapter] 2020
• Handbook of Image-Guided Brachytherapy
  Patel Shyamal, Ricke Jens, Kamrava Mitchell, Image-Guided BrachyAblation (IGBA) for Liver Metastases and Primary Liver Cancers [Book Chapter] 2017

Publications

• Curēus (Palo Alto, CA)
  Callas Bradley, Jani Shyam, Govardhan Isheeta S, Thawani Nitika, Patel Shyamal, Stereotactic Body Radiation Therapy in the Management of Recurrent Unresectable Retroperitoneal Ganglioneuroma
  18:1, p. e102628 2026
• Curēus (Palo Alto, CA)
  Jani Shyam, Badwal Areen, Thawani Nitika, Patel Shyamal, A Multimodal Radiation Approach to a Complex Case of Kaposi Sarcoma: Successful Treatment and Long-Term Follow-Up
  17:9, p. e92003 2025
• Brachytherapy
  Patel Sagar A., Patel Shyamal, Robin Tyler, Rossi Peter J., Krauss Daniel, Morton Gerard, Chang Albert J., Helou Joelle, Hsu I-Chow, Kollmeier Marisa, Crook Juanita, Zelefsky Michael J., Kamrava Mitchell R., Menard Cynthia, High-dose-rate (HDR) brachytherapy boost in combination with external beam radiotherapy for localized prostate cancer: An evidence-based consensus statement
  24:5, p. 644 - 662 2025
• Brachytherapy
  Patel Shyamal, Jani Shyam, Pinnaduwage Dilini, Sorensen Stephen, Kramer Dawn, Thawani Nitika, Srivastava Shiv, GSOR12  Presentation Time: 12:25 PM: High-Dose-Rate Interstitial Brachytherapy for Cervical Cancer - Do More Catheters Help?
  24:4, p. S55 - S56 2025
• Gynecologic oncology reports
  Le Ngoc-Anh, Issac Ayan, Patel Shyamal, Mutyala Kavin, Mamtani Bhuvi, Willmott Lyndsay, Outpatient hybrid intracavitary-interstitial brachytherapy for cervical cancer with minimal sedation in a freestanding setting, p. 101767 2025
• Brachytherapy
  Thawani Nitika, Mutyala Subhakar, Patel Shyamal, Pinnaduwage Dilini, Shrivastava Shiv, Sorensen Stephen, Patel Mital, MSOR05 Presentation Time: 8:20 AM: Organ Preservation in Esophageal Cancer: Are We There Yet?
  23:6, p. S53 - S53 2024
• Journal of clinical oncology
  Zamora DIana, Braat Jonathan, Ikram Waleed, Dinh Han, Gonzalez Velez Miguel, Azevedo Chelsea, Patel Shyamal, Wiseman Jason T., Comparative analysis of targetable mutations and genomic-directed therapy by tumor genomic profile in soft tissue sarcoma: A single-center retrospective study
  42:16_suppl, p. e23534 - e23534 2024
• Journal of clinical oncology
  Ikram Waleed, Patel Shyamal, Gonzalez Velez Miguel, Zamora DIana, Braat Jonathan, Dinh Han, Azevedo Chelsea, Wiseman Jason T., Differences in baseline ctDNA value between Hispanic and non-Hispanic White patients with soft tissue sarcoma (STS): A single-center retrospective analysis
  42:16_suppl, p. e23533 - e23533 2024
• Journal of clinical oncology
  Braat Jonathan, Zamora DIana, Ikram Waleed, Patel Shyamal, Behara Murali Ranjani, Azevedo Chelsea, Dinh Han, Gonzalez Velez Miguel, Wiseman Jason T., Correlation of ctDNA with hematologic ratios (NLR, MLR, PLR, ELR) in predicting disease progression in soft tissue sarcomas among non-Hispanic Whites and Hispanics: Single-center experience
  42:16_suppl, p. e23536 - e23536 2024
• Journal of clinical oncology
  Zamora DIana, Braat Jonathan, Ikram Waleed, Wiseman Jason T., Dinh Han, Azevedo Chelsea, Patel Shyamal, Gonzalez Velez Miguel, Overall survival in soft tissue sarcomas (STS) in Hispanic vs non-Hispanic White patients: Single center experience
  42:16_suppl, p. e23526 - e23526 2024
• Journal of clinical oncology
  Braat Jonathan, Ikram Waleed, Zamora DIana, Behara Murali Ranjani, Wiseman Jason T., Dinh Han, Azevedo Chelsea, Patel Shyamal, Gonzalez Velez Miguel, Correlation of ctDNA and LDH levels in patients with soft tissue sarcoma: A single-center experience
  42:16_suppl, p. e23535 - e23535 2024
• Radiotherapy and oncology
  Mohamad Osama, Pommier Pascal, Pugh Stephanie, Pollack Alan, Lukka Himanshu R., Rutledge Robert, Martin Andre- Guy, Patel Shyamal, Sarin David, Balogh Alexander G., , 1359: Individual patient data analysis of salvage radiotherapy trials: RTOG 0534 and GETUG-AFU 16
  194, p. S2426 - S2427 2024
• Brachytherapy
  Patel Shyamal, Pinnaduwage Dilini, Thawani Nitika, Sorensen Stephen, Jani Shyam, Ellefson Steven, Diaz Aidnag, Srivastava Shiv, PO64: Hydrogel Spacer Placement with HDR Prostate Brachytherapy: Does Time of Insertion Matter?
  22:5, p. S100 - S100 2023
• Brachytherapy
  Thawani Nitika, Morrow Allison, Patel Shyamal, Bremner Ross, Patel Mital, Pinnaduwage Dilini, Torri Vamsee, Reddymasu Savio, Srivastava Shiv, Mutyala Subhakar, MSOR6  Presentation Time: 5:10 PM: Endoluminal High Dose Rate Brachytherapy for Esophageal Cancer
  22:5, p. S41 - S42 2023
• Brachytherapy
  Srivastava Shiv, Jani Shyam, Diaz Aidnag, Patel Shyamal, Sorensen Stephen, Pinnaduwage Dilini, Ellefson Steven, Thawani Nitika, PHSOR09  Presentation Time: 1:10 PM: Establishing a Cs-131 Intraoperative Mesh Brachytherapy Program: Physics Perspective
  21:6, p. S28 - S29 2022
• Brachytherapy
  Thawani Nitika, Jani Shyam, Kang Bianca, Yang Min, Sorenson Stephen, Srivastava Shiv, Pinnaduwage Dilini, Ellefson Steven, Diaz Aidnag, Patel Shyamal, PO09: Treatment of Facial Folliculotropic Mycosis Fungoides with High Dose Rate Brachytherapy in Two Fractions
  21:6, p. S74 - S75 2022
• Journal of clinical oncology
  Thawani Nitika, Patel Shyamal, Diaz Aidnag, Pinnaduwage Dilini, Srivastava Shiv, Sherlock Mariah, Sorensen Stephen, Patel Mital Shirish, Tan Nicholas, Central hepatobiliary toxicity in patients treated with stereotactic body radiotherapy (SBRT) for liver malignancies
  40:4_suppl, p. 409 - 409 2022
• Frontiers in surgery
  Sioda Natasha A., Patel Shyamal, Wakim Andre A., Wong Tina, Coan Kathryn, Row David, A Large Sporadic Intra-abdominal Desmoid-Type Fibromatosis in a Young Male: A Case Report
  7, p. 60 2020
• American journal of clinical oncology
  Mesko Shane, Demanes D Jeffrey, Kamrava Mitchell, Margolis Daniel A, Patel Shyamal, Marks Leonard, Ragab Omar, Targeted Prostate Biopsy Gleason Score Heterogeneity and Implications for Risk Stratification
  41:5, p. 497 - 501 2018
• Journal of Medical Imaging and Radiation Oncology
  Ragab Omar, Banerjee Robyn, Park Sang-June, Patel Shyamal, Zhang Mingle, Wang Jason, Velez Maria, Demanes David Jeffrey, Kamrava Mitchell, Comparison of patient-reported acute urinary and sexual toxicity scores in a 6- versus 2-fraction course of high-dose-rate prostate brachytherapy monotherapy
  62:1, p. 109 - 115 2018
• Brachytherapy
  Raince Jagdeep, Park Sang June, Kamrava Mitchell, Patel Shyamal, Zhang Mingle, Demanes D. Jeffrey, How Often Are Advanced Vaginal Recurrences Amenable to Intracavitary Brachytherapy After External Beam Radiotherapy?
  16:3, p. S73 - S73 2017
• Brachytherapy
  Patel Shyamal, Pantuck Allan, Kamrava Mitchell, Demanes D. Jeffrey, Ragab Omar, Zhang Mingle, Veruttipong Darlene, Nguyen Kristine, Park Sang-June, Marks Leonard, Steinberg Michael, High-dose-rate brachytherapy monotherapy without androgen deprivation therapy for intermediate-risk prostate cancer
  16:2, p. 299 - 305 2017
• European archives of oto-rhino-laryngology
  Mourad Waleed F., Bakst Richard L., Patel Shyamal, Young Rebekah, Khorsandi Azita S., Concert Catherine, Shourbaji Rania A., Ciarrocca Katherine, Shasha Daniel, Guha Chandan, Garg Madhur K., Hu Kenneth S., Kalnicki Shalom, Harrison Louis B., Management algorithm for HIV-associated parotid lymphoepithelial cysts
  273:10, p. 3355 - 3362 2016
• Radiotherapy and oncology
  Patel Shyamal, Ragab Omar, Kamrava Mitchell, Real-time image guidance for gynecologic brachytherapy?
  120:3, p. 542 - 543 2016
• Cancer
  Patel Shyamal, Ragab Omar, Kamrava Mitchell, Another solution that enables ablative radiotherapy for large liver tumors: Percutaneous interstitial high‐dose rate brachytherapy
  122:17, p. 2766 - 2766 2016
• Brachytherapy
  Ragab Omar M., Demanes D. Jeffrey, Kamrava Mitchell, Park Sang-June, Banerjee Robyn, Patel Shyamal, Zhang Mingle, Wang Jason, Comparison of Patient Reported Acute Urinary and Sexual Toxicity Scores in a 6 versus 2 Fraction Course of HDR Prostate Monotherapy Brachytherapy
  15, p. S76 - S76 2016
• Brachytherapy
  Patel Shyamal, Ragab Omar, Zhang Mingle, Nguyen Kristine K., Veruttipong Darlene, Park Sang-June, Demanes D Jeffrey, Kamrava Mitchell, High-Dose-Rate Brachytherapy Monotherapy Is Safe and Highly Effective for Intermediate Risk Prostate Cancer Patients
  15, p. S182 - S182 2016
• Brachytherapy
  Park Sang-June, Kamrava Mitchell, Patel Shyamal, Ragab Omar, Demanes Jeffrey, Is There a Role for Perirectal Spacing with Hydrogel Spacers in Gynecologic Brachytherapy? A Dosimetric Study of Rectal Dose Reduction with Simulated Posterior Rectal Displacement
  15, p. S164 - S165 2016
• Brachytherapy
  Patel Shyamal, Guha Chandan, Patel Rajal, Yaparpalvi Ravi, Garg Madhur K., Kalnicki Shalom, Ohri Nitin, Mehta Keyur J., Kuo Hsiang Chi G., Do changes in interfraction organ at risk volume and cylinder insertion geometry impact delivered dose in high-dose-rate vaginal cuff brachytherapy?
  15:2, p. 185 - 190 2016
• Journal of clinical oncology
  Kabarriti Rafi, Patel Shyamal, Huang Hongying, Ohri Nitin, Shan Jidong, Song Yinghui, Tishbi Nima, Mark Daniel, Ghavamian Reza, Garg Madhur, Schoenberg Mark, Kalnicki Shalom, Guha Chandan, The prognostic value of FOXA1 expression in prostatectomy specimens for patients undergoing salvage radiation therapy
  33:15_suppl, p. e16129 - e16129 2015
• Journal of clinical oncology
  Patel Shyamal, Yaparpalvi Ravindra, Mourad Waleed Fouad, Young Rebekah L., Kabarriti Rafi, Hong Linda, LaSala Patrick, Kalnicki Shalom, Garg Madhur, The role of post-SRS systemic therapy in synchronous lung cancer brain metastases
  33:15_suppl, p. e13052 - e13052 2015
• Brachytherapy
  Kuo Hsiang-Chi, Tome Wolfgang, Mehta Keyur, Yaparpalvi Ravindra, Patel Shyamal, Bodner William, Kalnicki Shalom, Garg Madhur, Model Prediction of Individual Tumor Control Rate for Locally Advanced Cervical Cancer Patients Treated Using Intracavitary With and Without Interstitial Brachytherapy
  14, p. S56 - S56 2015
• Anticancer research
  Patel Shyamal, Dhanireddy Bhaswant, Mourad Waleed F, Wang Chengtao, Shourbaji Rania A, Concert Catherine, Ryniak Magdalena, Khorsandi Azita S, Bakst Richard L, Li Zujun, Culliney Bruce, Patel Rajal, Harrison Louis B, Tran Theresa, Shasha Daniel, Schantz Stimson, Persky Mark S, Hu Kenneth S, Postoperative radiation therapy for parotid pleomorphic adenoma with close or positive margins: treatment outcomes and toxicities
  34:8, p. 4247 - 4252 2014
• Anticancer research
  Mourad Waleed F., Garg Madhur K., Kalnicki Shalom, Young Rebekah, Kabarriti Rafi, Blakaj Dukagjin M., Shourbaji Rania A., Glanzman Jonathan, Patel Shyamal, Ohri Nitin, Yaparpalvi Ravindra, Beitler Jonathan J., 25-Year Follow-up of HIV-positive Patients with Benign Lymphoepithelial Cysts of the Parotid Glands: A Retrospective Review
  33:11, p. 4927 - 4932 2013
• Anticancer research
  Mourad Waleed F., Gamez Mauricio, Glanzman Jonathan, Kabarriti Raft, Young Rebekah, Patel Shyamal, Katsoulakis Evangelia, Woode Rudolph, Lazarus Cathy, Hu Kenneth S., Harrison Louis B., Khorsandi Azita S., Shasha Daniel, Blakaj Dukagjin M., Shourbaji Rania A., Comprehensive Head and Neck Radiotherapy Dose-Volume Constraints Do Not Apply to Smaller Volumes
  33:10, p. 4483 - 4489 2013
• Journal of clinical oncology
  Kabarriti Rafi, Kalnicki Shalom, Savacool Michelle K., Patel Shyamal, Hong Linda, Tome Wolfgang A., Fox Jana Lauren, Dosimetric comparison of 3D-field-in-field technique and inverse planning IMRT for large-breasted patients treated in prone position
  31:26_suppl, p. 79 - 79 2013
• Case reports in oncological medicine
  Mourad Waleed F., Glanzman Jonathan, Blakaj Dukagjin M., Kabarriti Rafi, Young Rebekah, Shourbaji Rania A., Kalnicki Shalom, Yaparpalvi Ravindra, Garg Madhur K., Patel Shyamal, Lack of Adjuvant Radiotherapy May Increase Risk of Retropharyngeal Node Recurrence in Patients with Squamous Cell Carcinoma of the Head and Neck after Transoral Robotic Surgery
  2013:2013, p. 1 - 4 2013
• International journal of surgical oncology
  Jabbour Salma K., Azad Nilofer, Herman Joseph M., Wild Aaron, Nagda Suneel N., Altoos Taghrid, Tunceroglu Ahmet, Poplin Elizabeth, Gearheart Susan, Moss Rebecca A., Levinson Lydia L., Chandra Ravi A., Moore Dirk F., Chen Chunxia, Haffty Bruce G., Tuli Richard, Patel Shyamal, Intensity-Modulated Radiation Therapy for Rectal Carcinoma Can Reduce Treatment Breaks and Emergency Department Visits
  2012:2012, p. 488 - 494 2012
• Brachytherapy
  Shasha Daniel, Masino Robert, Patel Shyamal, Harrison Louis B., Nabhani Thomas, Salant Robert, Is Low-Dose-Rate Interstitial Brachytherapy for Patients with Large Prostates (>60 cc) Safe and Effective?
  9, p. S99 - S99 2010

Presentations

• Raince J, Park SJ, Patel S, Zhang M, Demanes DJ, Kamrava M. How often are advanced vaginal recurrences amenable to intracavitary brachytherapy after external beam radiotherapy? Poster Presentation. 2017 American Brachytherapy Society, Boston, Massachusetts. 2017
• Patel S, Park SJ, Zhang M, Ragab O, Lee T, Demanes DJ, Kamrava M. High-dose-rate brachytherapy vai custom skin molds: a new dosimetric method as applied non-melanomatous skin cancer. Poster Presentation. 2017 American Society of Radiation Oncology, Boston, Massachusetts. 2017