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Abstracts (past 14 years)


International, National and Local Scientific Presentations


Witt R. Sarcoidosis Presenting as Bilateral Vocal Cord Paralysis Care of the Professional Voice Symposium, Philadelphia, PA 6/9/02.

Witt R. Can Bilateral Vocal Fold Immobility Occur After Uneventful Expertly Performed Thyroid Surgery With Intra-operativeMonotoring? Care of the Professional Voice Symposium, Philadelphia, PA, 6/8/03.

Witt R. Comparing Results of Monolayer Versus Smear Cytoprepary Technique for Fine Needle Aspiration in 100 Consecutive Patients Receiving Thyroidectomy-A Surgeons’s PerspectiveAmerican Academy of Otolaryngology-Head and Neck Surgery, Orlando FL, 9/21/03.

Witt R. Colonic Adenocarcinoma Metastatic to Thyroid Hurthle Cell Carcinoma Presenting with Airway Obstruction. Third International Laryngeal Cancer Symposium, Philadelphia, PA, 6/14-15/02.

Witt R. Minimally Invasive Surgery for Parotid Pleomorphic Adenoma Triological Society, Southern Section, Marco Island, FL, 1/8- 11/04 (Poster Presentation)

Witt R. Electrophysiologic Monitoring in Thyroid Surgery: The Standard of Care? 33rd Annual Symposium: Care of the Professional Voice, Philadelphia, PA, 6/6/04

Witt R. Head and Neck Cancer Care at a Community Based Teaching Hospital. 6th International Conference on Head and Neck Cancer, Washington, DC. 8/8/04

Witt R, Weinstein G, Rejto L. Tympanomastoid Suture & Digastric Muscle in Cadaver & Live Parotidectomy. Triological Society, Southern Section, Miami, Fl. 1/14/05.

Witt R. Comparing the long term outcome of immediate post-operative facial nerve dysfunction and vocal fold immobility after parotid and thyroid surgery, 34th Annual Symposium: Care of the Professional Voice, Philadelphia, PA. 6/5/05.

Witt R. Gillis T, Pratt R. Spinal accessory nerve monitoring with clinical outcome measures. Triologic Society, Southern Section, Naples Fl. 1/14/06

Witt R. Vocal fold immobility from primary minor salivary gland small cell carcinoma, 35th Annual Symposium: Care of the Professional Voice, Philadelphia, PA, 6/4/06

Raben A, Schneider C, Witt R, et al. Clinical Outcome and Late Morbidity of IMRT with/without Chemotherapy for Locally Advanced Head and Neck Cancer Delivered in a Community Practice by a Multidisciplinary Clinic Team (MDCT), Multidisciplinary Head and Neck Cancer Symposium, Rancho Mirage CA, 1/18/07

Witt R, Wilson P. Massive Maxillary Sinus Ossifying Fibroma complicated by repeated positive cocaine toxicology. Triological Society Meeting, San Marco Is. Fl. 2/16/07.

Witt R, Reijo L. Spinal Accessory Nerve Monitoring in Selective and Modified Neck Dissection, Triological Society Meeting, San Marco Fl. 2/16/07.

Witt R, Wilson P. Missed opportunity for larynx preservation? Failure to distinguish verrucous and squamous cell carcinoma on microlaryngoscopy and biopsy. 36th Annual Symposium: Care of the Professional Voice, Philadelphia, PA, 5/30/07.

Jia X, Jha A, Grieshaver S, Farach-Carson M, Duncan R, Witt R. Biomimetic Approaches for Vocal Fold Tissue Regeneration, 37th Annual Symposium: Care of the Professional Voice, Philadelphia, PA, 5/29/08.

Pradhan S, Zhang C, Jia X, Carson D, Farach-Carson M, Witt R. Biomarkers of cultured     acinar cells useful for salivary tissue engineering, 7th International Conference on Head and Neck Cancer, San Francisco CA, 7/20/08

Witt R. Pleomorphic adenoma: Extracapsular Dissection versus Partial Superficial Parotidectomy with facial nerve dissection, 7th International Conference on Head and Neck Cancer, San Francisco, CA, 7/20/08   

Witt R. Incidence and Management of Sialocele Post-Parotidectomy, American Academy of Otolaryngology-Head & Neck Surgery, Chicago IL, 9/24/08

Witt R. Lumen formation in 3D cultures of salivary acinar cells, American Academy of Otolaryngology-Head & Neck Surgery, San Diego, CA, 10/4/09

Pradhan S, Witt R, Farach-Carson C. Salivary Gland Acinar Cells Regenerate Functional Glandular Structures in Modified Hydrogels. International Association of Dental Research. Barcelona, Spain. 7/15/10

Pradhan S, Zhang, C, Witt R, Farach-Carson C. Tissue Engineering an Artificial Salivary Gland: An In Vivo Study. Annual Meeting of the Israeli Society of Otolaryngology-Head & Neck Surgery, Eilat Israel, 3/4/11

Witt R, Iacocca M. Is Extra-capsular Dissection for Parotid Pleomorphic Adenoma Enucleation? Annual Meeting of the Triological Society, Chicago, Il, 4/29/11.

Pradhan Bhatt, S, Duncan R, Jia X, Witt R, Farach-Carson C. Engineering an Artificial Salivary Gland. Third Annual Delaware Health Science Alliance Research Symposium, (2nd place poster presentation competition), Thomas Jefferson University, Philadelphia PA, 5/17/2011.

Pradhan Bhatt S, Harrington DA, Duncan RL, Jia X, Witt RL, Farach-Carson MC. Implantable Three-Dimensional Salivary Spheroid Assemblies Demonstrate Fluid and Protein Secretory Responses to Neurotransmitters. 4th Annual Delaware Health Sciences Alliance Research Symposium, (1st place poster presentation competition), AI DuPont Institute, Wilmingon DE.5/21/2012.

Pradhan Bhatt S, Duncan R, Jia X, Witt R, Farach-Carson C. Functional Salivary Gland Restoration Using Expanded Populations of Human Salivary Progenitor Cells, International Association of Dental Research (IADR) Iguacu, Brazil, 6/21/12

Pradhan Bhatt S, Harrington DA, Duncan RL, Jia X, Farach-Carson MC, Witt RL. Tissue Enginnering an Artificial Salivary Gland, 8th International Conference on Head & Neck Cancer (Honoroble Mention), Toronto, Canada, 8/23/12

Pradhan-Bhatt S, Witt R, Harrington D, Jia X, Duncan R, Farach-Carson C. Functional Assembly of Salivary Glands to Relieve Xerostomia, Salivary Gland and Exocrine Biology Meeting, Galveston, Texas, 2/6/13.

Pradhan-Bhatt S, Harrington D, Jia X, Duncan R, Farach-Carson C. Witt R. Functional Salivary Gland Restoration Using Expanded Populations of Human Salivary  Progenitor Cells, Triological Society Meeting, Orlando, Fl, 4/12/13

Zackheim D, Cannon K, Pradhan-Bhatt S, Harrington D, Duncan R, Jia X, Farach-Carson C. Witt R. Isolation of Ductal and Myoepithelial Cells for use in Salivary Gland Regeneration, Delaware Health Science Alliance Meeting, Newark, DE, 5/10/13.

Pradhan-Bhatt S, Harrington D, Jia X, Duncan R, Witt R, Farach-Carson C. Culture of Human Salivary Gland Cells in Hyaluronic Acid (HA)-Based Hydrogels for Use in Tissue Engineering Applications TERMIS-AM 2013 Conference and Exposition Georgia, 11/11/13.



Pradhan-Bhatt S, Harrington D, Witt R, Farach-Carson C. Restoring Salivary Gland Function with a ModularCellular Approach, AADR/CADR Annual Meeting, Charlotte, North Carolina, 3/19/14



Witt R. Iacocca M, Gerges Fady. Contemporary Diagnosis and Management of Warthin’s Tumor. Pennsylvania Academy of Otolaryngology-Head&Neck Surgery, Hershey, PA 6/14/14 

Witt, RL, Gerges F. Ultrasound guided FNAC with On-Site Cyto-Pathological Interpretation: Impact on Cytological Adequacy and Thyroid MolecularTesting. American Academy of Otolaryngology-Head & Neck Surgery, Orlando, FL, 9/21/14

Wu D, Pradhan-Bhatt S, Harrington DA, Witt RL, Farach-Carson MC. Coordinated Cellular Interplay in 3D Reorganization of Human Parotid Salivary Gland Cells. BioMedical Engineering Society (BMES). 2014 Annual Meeting, San Antonio, TX 10/24/14


Zakheim D, Pradhan-Bhatt S, Witt, RL et al. Isolation, characterization, and functional analysis of human salivary gland myoepithelial cells for use in tissue regeneration. Tissue Engineering and Regenerative Medicine Internatinal Society (TERMIS) Washington, D.C. 12/14/14


​Raben A, Dan TU, Schneider C, Hockstein N, Witt R. Freedom from regional failure of contralateral neck with ipsilateral neck radiotherapy for node and tonsil cancer. 5th ICHNO, Nice, France 2/13/15.


Pradhan-Bhatt S, Wu D. Witt, RL et al. Building Salivary Cell Mini-Modules: A first step toward reconstruction of a human salivary gland. Gordon Research Conference GRC, Galveston, TX, 2/16/15.



Wu D, Pradhan-Bhatt S, Witt RL et al. Basement Membrane Assembly Establishes Polarity and Connectivity in Salivary
Cells. IADR Boston, MA. 3/11/15


Cannon K. Witt RL Pradhan-Bhatt S. et al. Salivary Spheroid Respond to FGFR2b Stimulation in ECM-Modified 3D
Hydrogels. IADR, Boston, MA. 3/11/15

Chapela P, Pradhan-Bhatt S, Witt RL et al. Polarity Features in Salivary Cells  for Use in Salivary Gland Regeneration, IADR         Boston, MA. 3/11/15

Pradhan-Bhatt S, Srinivasan PP, Witt RL. A Growth Factor Loaded Modular Hydrogel System Supports Stable Vascular Networks in a Rodent Parotid Gland Resection Model. American Head & Neck Society, Boston, MA. 4/23/15 (Winner-Best Poster)

Strasser JF, Dzeda MF, Hockstein NG, Witt RL, Schneider CJ, Raben A. Bioradiotherapy for Head and Neck Cutaneous Squamous Cell Carcinoma. Amer Soc Clin Onc, Chicago IL, 5/30/15

Anitha Ravikrishnan, Tugba Ozdemir, Ying Hao, Xinqiao Jia, Swati Pradhan-Bhatt, Daniel A. Harrington, Robert L. Witt, Mary C. Farach-Carson. Investigating Epithelial-Mesenchymal Transition Using Bioactive, Microfibrous Scaffolds. BMES 2015, Tampa, Florida, 10/8/15.

Tugba Ozdemir, Eric Fowler, Daniel Zakheim, Ying Hao, Swati Pradhan-Bhatt, Daniel A. Harrington, Robert L. Witt, Mary Cindy Farach-Carson, Xinqiao Jia. Biomimetic Hydrogels for the Assembly of Salivary Gland Microtissues. BMES 2015, Tampa, Florida, 10/8/15.     


Witt, R. Extracapsular Dissection with Facial Nerve Dissection for Benign Parotid  Tumors. Triological Society Meeting, Miami, Florida, 1/22/2016

Pradhan-Bhatt S, Xu X, Harrington D, Farach-Carson MC, Witt, RL. Design of a biocompatible hydrogel capsule for use in salivary gland tissue engineering appications. Triological Society Meeting, Miami, Florida,1/22/2016


Srinivasan PP, Patel V, Witt RL. et al. Salivary Gland Regeneration using Differentiated Populations From Human Stem/Progenitor Cells. AADR/CADR Annual Meeting, Los  Angeles, CA, 3/16/2016 (1st Place, Post Doc Category Hatton Competition)

Wu D, Pradhan-Bhatt S, Witt RL et al. Intercellular connectivity in primary human salivary gland cells. AADR/CADR Annual Meeting, Los  Angeles, CA, 3/16/2016

Hubka K, Pradhan-Bhatt S, Witt RL et al. Establishing heparan sulfate proteoglycan and morphogen gradients for salivary gland tissue engineering. AADR/CADR Annual Meeting, Los  Angeles, CA, 3/16/2016

Sagiv D, Talmi Y, Witt, RL. A deep look at the location of Warthin’s Tumor of the Parotid Gland. AHNS, Seattle, WA, 7/17/16.

Sandhu S, Reznikov B, Witt RL, Floor of Mouth Schwannoma. ASHNR Annual

Meeting, Washington, DC 8/7/2016

Srinivasan P, Pradhan-Bhatt, Witt, RL et al. Salivary Gland Engineering via the Combination of Human Stem/Progenitor Cells and Synthetic Matrices. BMES 2016 Annual Meeting, Minneapolis, MN 10/7/16

Hubka KM, Witt RL, Farach-Carson MC et al. Perlecan Domain I Gradients Establish Growth Factor Gradients in Hydrogels for Salivary Engineering. BMES 2016 Annual Meeting, Minneapolis, MN 10/7/16

Ozdemir T, Witt RL, Jia Xinqiao et al. Spatially Organized Microtissue Assemblies for Salivary Gland Tissue Engineering. BMES 2016 Annual Meeting, Minneapolis, MN 10/7/16