Marlon Guerrero, MD

Assistant Professor, Surgery
Phone Number: 
(520) 694-3972
(520) 694-0255
Patient Appointments: 
(520) 694-2873

UACC Information

Professional Bio: 
Marlon A. Guerrero, MD, joined the department of surgery in July 2009 as Director of Endocrine Surgery and Assistant Professor of Surgery in the Section of Surgical Oncology. Dr. Guerrero received his BS in Biology from California State University, East Bay after graduating Cum laude. He earned his medical degree from Meharry Medical College in Nashville, Tenn., where he was elected into the prestigious Alpha Omega Alpha Honor Medical Society. He then completed his general surgery residency from the Michael E. DeBakey Department of Surgery at the Baylor College of Medicine in Houston, Texas, where he was awarded the St. Luke’s Hospital Resident of the Year award in 2005.
Dr. Guerrero became interested in treating endocrine tumors and disorders after his training at the MD Anderson Cancer Center. From there, he entered a prestigious Endocrine Surgery Fellowship at the University of California, San Francisco under the mentorship of the legendary Dr. Orlo H. Clark. After completing his fellowship, he was recruited to join the Surgical Oncology Section at the University of Arizona.

Clinical Information

Clinical Focus: 
Dr. Guerrero’s expertise is in the full spectrum of benign and malignant endocrine disorders, specifically focusing on diseases of the thyroid gland, parathyroid glands, adrenal glands and neuroendocrine pancreas. Dr. Guerrero is specialized in open, laparoscopic and minimally invasive surgery. His specialty training allows him to perform the most complex endocrine operations, including reoperative neck and abdomen operations.
Disease or Clinical Specialty: 
Parathyroid Cancer
Thyroid Cancer

Research Information

Selected Publications: 
  1. Guerrero MA, Ballard B, Grau A. A Case Report of Stromal Overgrowth in a Malignant Cystosarcoma Phyllodes Tumor of the Breast. Surg Oncol. 2003;12(1):27-37.
  2. Guerrero MA, Cox M, Lumsden AB, Reardon M, Howell J. Embolus of Surgical Adhesive to the Extremities Causing Acute Ischemia: A Report of Two Cases. J Vasc Surg. 2004; 40(3):571-3.
  3. Watts K, Lin PH, Bush RL, Awad S, McCoy SA, Felkai D, Zhou W, Nguyen L, Guerrero MA, Shenaq SA, Lumsden AB. The impact of anesthetic modality on the outcome of carotid endarterectomy. Am J Surg. 2004;188(6):741-7.
  4. Lin PH, Bush RL, Nguyen L, Guerrero MA, Chen C, Lumsden AB. Anastomotic strategies to improve hemodialysis access patency-a review. Vasc Endovascular Surg. 2005;39(2):    135-42.
  5. Guerrero MA, Lin PH, Bush RL, Lumsden AB. Splenic and Pancreatic Infarction due to Motorcycle Handlebar Injury. J Trauma. 2005;58(6):1304.
  6. Bush RL, Kougias P, Guerrero MA, Lubbe DF, Zhou W, Lumsden AB, Lin PH. A comparison of carotid artery stenting with neuroprotection versus carotid endarterectomy under local anesthesia. Am J Surg. 2005;190(5):696-700.
  7. Lin PH, Bush RL, Peden EK, Zhou W, Guerrero M, Henao EA, Kougias P, Mohiuddin I, Lumsden AB. Carotid artery stenting with neuroprotection: assessing the learning curve and treatment outcome. Am J Surg. 2005;190(6):850-7.
  8. Zhou W, Lin PH, Bush RL, Peden EK, Guerrero MA, Kougias P, Lumsden AB. Management of in-sent restenosis after carotid artery stenting in high-risk patients. J Vasc Surg. 2006;43(2):305-12.
  9. Zhou W, Lin PH, Bush RL, Peden E, Guerrero MA, Terramani T, Lubbe DF, Nguyen L, Lumsden AB. Carotid artery aneurysm: Evolution of management over two decades. J Vasc Surg. 2006;43(3):493-6.
  10. Zhou W, Lin PH, Bush RL, Terramani TT, Matsuura JH, Cox M, Peden E, Guerrero M, Silberfein EJ, Dardik A, Rosenthal D, Lumsden AB. In situ reconstruction with cryopreserved arterial allografts for management of mycotic aneurysms or aortic prosthetic graft infections: a multi-institutional experience. Tex Heart Inst J. 2006;33(1):14-8.
  11. Lin PH, Zhou W, Guerrero MA, McCoy SA, Felkai D, Kougias P, El Sayed HF. Carotid artery stenting with distal protection using the carotid wallstent and filterwire neuroprotection: single-center experience of 380 cases with midterm outcomes. Vascular. 2006;14(5):237-44.
  12. Guerrero MA, Wray CJ, Kee SS, Berger J, Perrier ND. Minimally Invasive Parathyroidectomy Complicated by Pneumothoraces: A Report of Four Cases. J Surg Educ. 2007;64(2):101-7; discussion 113.
  13. Guerrero MA, Zhou W, Kougias P, El Sayed H,Lin PH. Multiple Giant Anastomotic Pseudoaneurysms of Carotid and Femoral Arteries: Combined Endovascular and Open Surgical Approach. Vascular. 2007;15(3):158-61.
  14. Guerrero MA, Cross C, Lumsden AB, Lin PH, Bush RL, Keane TE. Inferior vena cava reconstruction using fresh inferior vena cava allograft following caval resection for leiomyosarcoma: midterm results. J Vasc Surg. 2007;46(1):140-3.
  15. Guerrero MA, Zhou W, El Sayed HF, Kougias P, Lin PH. Subcapsular hematoma of the kidney secondary to paintball pellet injuries. J Emerg Med. 2009 Apr;36(3):300-1.
  16. Guerrero MA, Gomberawalla MM, Brandt ML, Brunicardi FC. Recurrent Cervical Lymphangioma (Cystic Hygroma) of the Neck in Adults: Case Report and Review of the Literature. Surgical Rounds. Nov 2007.
  17. Guerrero MA, Evans DB, Lee JE, Bao R, Bereket A, Gantela S, Griffin GD, Perrier ND. Viability of Cryopreserved Parathyroid Tissue: When Is Continued Storage versus Disposal Indicated? World J Surg. 2008 May;32(5):836-9.
  18. Philip M, Guerrero MA, Evans DB, Gray KD, Hunter GJ, Hamberg L, Perrier ND. Efficacy of 4D-CT Preoperative Localization in 2 Patients with MEN 2A. J Surg Educ. 2008;65(3):182-5.
  19. Moalem J, Guerrero M, Kebebew E. Bilateral Neck Exploration in Primary Hyperparathyroidism-When Is It Selected and How Is It Performed? World J Surg. 2009 Feb 21. World J Surg. 2009;33(2):2282-2291.
  20. Suh I, Guerrero MA, Kebebew E. Gene-expression profiling of adrenocortical carcinoma. Expert Rev Mol Diagn. 2009 May;9(4):343-51.
  21. Guerrero MA, Vriens MR, Suh I, Khanafshar E, Clark OH. Intraoperative diagnostic strategy to distinguish parathyroid adenomas from metastatic thyroid cancer. Endocr Pract. 2009 Jul-Aug;15(5):454-7.
  22. Vriens MR, Schreinemakers JM, Suh I, Guerrero MA, Clark OH. Diagnostic markers and prognostic factors in thyroid cancer. Future Oncol. 2009 Oct;5(8):1283-93.
  23. Suh I, Filetti S, Vriens MR, Guerrero MA, Tumino S, Wong M, Shen WT, Kebebew E, Duh QY, Clark OH. Distinct loci on chromosome 1q21 and 6q22 predispose to familial nonmedullary thyroid cancer: a SNP array-based linkage analysis of 38 families. Surgery. 2009 Dec;146(6):1073-80.
  24. Guerrero MA, Schreinemakers JM, Vriens MR, Suh I, Hwang J, Shen WT, Gosnell J, Clark OH, Duh QY. Clinical spectrum of pheochromocytoma. J Am Coll Surg. 2009 Dec;2009(6):727-32.

Professional Information

Other Experience and Professional Memberships/Affiliations: 
American Association of Clinical Endocrinologists
American College of Surgeons
American Thyroid Association
The Endocrine Society
Michael E. DeBakey International Surgical Society (2008)
Tucson Surgical Society
Board Certifications & Licenses: 

American Board of Surgery

Academic Information

University of California, San Francisco
Baylor Medical College
Medical School: 
Meharry Medical College
Undergraduate School: 
California State University, Hayward