Robert L. Witt, MD, FACS

Research Interests

Tissue Engineering an Artificial Salivary Gland.

Current Projects

National Institute of Health R01 Grant (NIDCD) -2012, co-Principal Investigator

          Functional Assembly of Salivary Cells to Relieve Xerostomia

          National Institute of Dental and Craniofacial Research for


Research Group

Randall Duncan, PhD, Chairman Department of Biological Sciences, University of Delaware

Xinqaio Jia, PhD, Materials Engineering Department, University of Delaware

Swati Pradhan-Bhatt, PhD, Post-Doc Fellow, Biological Sciences, University of Delaware 

Cindy Carson, PhD, Biological Sciences, Rice University

Dan Harrington, PhD, Materials Engineering, Rice University

Matthew Hoffman, DDS, PhD, Biological Sciences, National Institute of Health

Selected Publications

1. Salivary Gland Translational Research:

Swati P,Zhang C, Jia X, Carson D, Witt R, Farach-Carson MC. Perlecan domain IV peptide stimulates salivary gland cell assembly in vitro. Tissue Engineering 2009;15(11):3309-3320.

Swati P, Liu Chao, Zhang C, Jia Xinqiao, Farach-Carson, Witt R. Lumen formation in 3D cultures of salivary acinar cells. Otolaryngology-Head & Neck Surg 2010;142:195-195

2.  Salivary Clinical Research:

Witt R.  Primary Small Cell Carcinoma of the Parotid. Otolaryngology – Head and Neck Surgery 1996;114:826-829.                              

Witt R.  Facial Nerve Monitoring in Parotid Surgery. Is it the Standard of Care? Otolaryngology - Head and Neck Surgery 1998;119:468-470.

Witt R.  Facial Nerve Function After Partial Superficial Parotidectomy. Otolaryngology - Head and Neck Surgery 1999;121:210-213.

Witt R.  The Significance of Margin in Surgery for Parotid Pleomorphic Adenoma. Laryngoscope 2002;112:2141-2154.

Witt R, Weinstein G, Rejto L. Tympanomastoid Suture and Digastric in Cadaver and Live Parotidectomy. Laryngoscope  2005;115:574- 77.

Witt R. Minimally invasive surgery for parotid pleomorphic adenoma. ENT J. 2005;84(5):308-11.

Witt R. Comparing the long term outcome of immediate post-operative facial nerve dysfunction and vocal fold immobility after parotid and thyroid surgery. J Voice 2006;20(3):461-464.

Witt R, Rejto L. Pleomorphic adenoma: Extracapsular Dissection versus Partial Superficial Parotidectomy with facial nerve dissection. Del Med J, 2009; 81(3):119-125.

Witt R. Sialendoscopy in Delaware. Del Med J, 2009;81(6)227-29.

Witt R. The Incidence and Management of Siaolocele Post-Parotidectomy. Otolaryngol-Head Neck Surg 2009 140,871-74.

Witt R. What is the Best Practice for Benign Mixed Tumor 2011 DE Med J;83(6):175-6.

Witt R. Iro H, Koch M, McGurk M, Nahlieil O, Zenk J. Contemporary Review: Minimally Invasive Options for Salivary Calculi. Laryngoscope 2012;122:1306-1311.

Witt R, Iacocca M. Comparing capsule exposure using extracapsular dissection with partial superficial parotidectomy for pleomorphic adenoma. Amer J Otolaryngol 2012;33(5):581-4.

Zbaren P, Vander Poorten V, Witt RL, et al. Pleomorphic Adenoma of the Parotid: Formal Parotidectomy or Limited Surgery (in press, The American Journal of Otolaryngology)

Adjunct Professor, Biological Sciences, University of Delaware
Professor, Otolaryngology-Head & Neck Surgery, Thomas Jefferson University
Director, Head & Neck Multidisciplinary Clinic, Helen F. Graham Cancer Center, Christiana Care

Phone: (302) 738-6014

Fax: (302) 738-6017


Office: Christiana Care

Christiana Care
4745 Ogletown-Stanton Rd.
MAP #1, #112
Newark, DE 19713


 B.A. - Biological Sciences, University of Delaware, Newark, DE, 1977

M.D. - Thomas Jefferson University, Philadelphia, PA, 1981

Residency -  Otolaryngology-Head & Neck Surgery, Harvard University, Boston MA, 1986