Research Topics
| Peter ZbärenSummaryAffiliation: University Hospital Country: Switzerland Publications
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Detail Information
Publications
Radionecrosis or tumor recurrence after radiation of laryngeal and hypopharyngeal carcinomasPeter Zbären
Department of Oto Rhino Laryngology, Head, and Neck Surgery, University Hospital, Berne, Switzerland
Otolaryngol Head Neck Surg 135:838-43. 2006..To analyze the incidence and diagnostic difficulties of radionecrosis vs tumor recurrence of laryngeal and hypopharyngeal carcinomas...
Quantitative analysis of extracapsular extension of metastatic lymph nodes and its significance in radiotherapy planning in head and neck squamous cell carcinomaPirus Ghadjar
Department of Radiation Oncology, Inselspital, Bern University Hospital, and University of Bern, Freiburgstrasse, 3010 Bern, Switzerland
Int J Radiat Oncol Biol Phys 76:1127-32. 2010..We performed a histopathologic analysis to assess the extent of the extracapsular extension (ECE) beyond the capsule of metastatic lymph nodes (LN) in head and neck cancer to determine appropriate clinical target volume (CTV) expansions...- Pleomorphic adenoma of the parotid: formal parotidectomy or limited surgery?Peter Zbären
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Freiburgstrasse, 3010 Bern, Switzerland
Am J Surg 205:109-18. 2013..In the present review, we discuss the advantages and disadvantages of the various approaches after addressing the surgical pathology of the parotid pleomorphic adenoma capsule and its influence on surgery... - Value of fine-needle aspiration cytology of parotid gland massesP Zbaren
Department of Otorhinolaryngology Head and Neck Surgery, University of Berne, Inselspital, Berne, Switzerland
Laryngoscope 111:1989-92. 2001..To evaluate the usefulness and accuracy of fine-needle aspiration cytology (FNAC) in the diagnosis of parotid gland masses... - Postoperative radiation therapy for T1 and T2 primary parotid carcinoma: is it useful?Peter Zbären
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, CH 3000 Berne, Switzerland
Otolaryngol Head Neck Surg 135:140-3. 2006..The benefit of postoperative radiation for advanced primary parotid carcinoma has been reported previously, whereas studies to evaluate the usefulness of postoperative radiation for T1 and T2 parotid carcinomas have never been performed... - Histologic characteristics and tumor spread of recurrent glottic carcinoma: analysis on whole-organ sections and comparison with tumor spread of primary glottic carcinomasPeter Zbären
Department of Otolaryngology, Head and Neck Surgery, University of Bern, Inselspital, Bern, Switzerland
Head Neck 29:26-32. 2007..The assessment of the precise tumor extent of recurrent glottic carcinomas is a challenge... - Pleomorphic adenoma of the parotid gland: histopathologic analysis of the capsular characteristics of 218 tumorsPeter Zbären
Department of Otorhinolaryngology, Head, and Neck Surgery, University Hospital, CH 3010 Bern, Switzerland
Head Neck 29:751-7. 2007..Histopathologic features of the capsule may have an impact on the recurrence rate of pleomorphic adenomas... - Pretherapeutic staging of recurrent laryngeal carcinoma: clinical findings and imaging studies compared with histopathologyPeter Zbären
Department of Oto Rhino Laryngology, Head and Neck Surgery, University Hospital, Berne, Switzerland
Otolaryngol Head Neck Surg 137:487-91. 2007..To assess the accuracy of preoperative imaging studies and clinical and endoscopic examinations for recurrent laryngeal carcinoma evaluation... - Laryngeal and hypopharyngeal carcinomas after (chemo)radiotherapy: a diagnostic dilemmaPeter Zbären
Department of Oto Rhino Laryngology, Head, and Neck Surgery, University Hospital, Berne, Switzerland
Curr Opin Otolaryngol Head Neck Surg 16:147-53. 2008..Head and neck surgeons will be concerned more frequently with patients presenting symptoms and signs suggesting recurrent tumor or complications of (chemo)radiotherapy... - Carcinoma ex pleomorphic adenoma: diagnostic difficulty and outcomePeter Zbären
Department of Otorhinolaryngology, Head, and Neck Surgery, University Hospital, Berne, Switzerland
Otolaryngol Head Neck Surg 138:601-5. 2008..To analyze a series of carcinoma ex pleomorphic adenoma (CXPA) and to assess the diagnostic difficulties... - Parotid tumors: fine-needle aspiration and/or frozen sectionPeter Zbären
Department of Otorhinolaryngology Head and Neck Surgery, University Hospital, Berne, Switzerland
Otolaryngol Head Neck Surg 139:811-5. 2008..The purpose of this study was to analyze and compare the value of fine-needle aspiration cytology (FNAC) and frozen section (FS) analysis in the assessment of parotid gland tumors... - Elective neck dissection for carcinomas of the oral cavity: occult metastases, neck recurrences, and adjuvant treatment of pathologically positive necksPeter Zbären
Department of Otolaryngology, Head and Neck Surgery, University of Bern, Inselspital CH 3010 Bern, Switzerland
Am J Surg 191:756-60. 2006..Supraomohyoid neck dissection (SOHND) is currently performed in patients with carcinoma of the oral cavity with clinically negative neck. Most investigators consider SOHND as a staging procedure... - Carcinoma of the parotid glandPeter Zbären
Department of Oto Rhino Laryngology, Head, and Neck Surgery, University Hospital, CH 3000 Berne, Switzerland
Am J Surg 186:57-62. 2003..The present study reviews a single institution's experience in the treatment of primary parotid carcinomas during the last 10 years... - Basaloid squamous cell carcinoma of the hypopharynxPeter Zbären
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, Berne, Switzerland
ORL J Otorhinolaryngol Relat Spec 65:332-40. 2003..However, the number of our cases is too small to draw reliable conclusions... - Diagnostic accuracy of fine-needle aspiration cytology and frozen section in primary parotid carcinomaPeter Zbären
Department of Otolaryngology, Head and Neck Surgery, University of Berne, Inselspital, Berne, Switzerland
Cancer 100:1876-83. 2004..In the current study, the authors reviewed a single institution's experience regarding the preoperative and intraoperative diagnostic value of FNAC and FS in primary salivary gland carcinomas... - Basaloid squamous cell carcinoma of the head and neckPeter Zbären
Department of Oto Rhino Laryngology and Head and Neck Surgery, University Hospital, Berne, Switzerland
Curr Opin Otolaryngol Head Neck Surg 12:116-21. 2004..On the basis of a critical literature survey, we attempt to evaluate if basaloid squamous cell carcinoma is really more aggressive and presents a poorer outcome than squamous cell carcinoma... - Recurrent pleomorphic adenoma of the parotid glandPeter Zbären
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital, University of Berne, CH 3010 Berne, Switzerland
Am J Surg 189:203-7. 2005..Surgery of recurrent pleomorphic adenoma presents an increased risk of facial nerve injury and a considerable re-recurrence rate... - Laryngeal involvement by differentiated thyroid carcinomaPeter Zbären
Department of Oto Rhino Laryngology, Head and Neck Surgery, University Hospital, CH 3000 Bern, Switzerland
Am J Surg 190:153-5. 2005..Invasion of the larynx by differentiated thyroid gland carcinoma is uncommon but causes serious morbidity and mortality when present... - Metastatic disease to the parotid glandMichel Nuyens
Department of Otorhinolaryngology Head and Neck Surgery, University of Bern, Inselspital, Berne, Switzerland
Otolaryngol Head Neck Surg 135:844-8. 2006..The purpose of this study was to review the clinico-pathologic findings and outcome of patients with metastasis to the parotid lymph nodes and gland... - Palatal swelling as the first and only manifestation of extranodal follicular non-Hodgkin lymphoma: a case presentationPeter Werder
Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, and Department of ENT, Head and and Neck Surgery, University Hospital, Inselspital, Bern, Switzerland
Quintessence Int 41:93-7. 2010..Chemotherapy, radiotherapy, or a combination of the two with a regular clinical and hemic follow-up is recommended... - Therapy options and long-term results of sinonasal malignanciesAndreas Arnold
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, University of Berne, Berne, Switzerland
Oral Oncol 48:1031-7. 2012..The aim of our study was to analyse the long-term treatment results of sinonasal malignancies (SNM), with a special focus on surgical approaches... - Diagnosis and treatment outcomes for patients with lymphoma of the parotid glandEtienne Wyss
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, University of Bern, Bern, Switzerland
Laryngoscope 123:662-9. 2013..Clinical diagnosis is difficult, due to a lack of specific symptoms and findings. The aim of this study is to evaluate the diagnostic workup based on the analysis of our cases of LPG and to present the stage-dependent treatment outcome... - Long-term survival of patients with stage IV hypopharyngeal cancer: impact of fundus rotation gastroplastyMartin K Schilling
Department of Visceral and Transplant Surgery, University of Bern, Inselspital, 3010 Bern, Switzerland
World J Surg 26:561-5. 2002.... - Primary tumors of the submandibular glands: a retrospective study based on 41 casesPanagiotis Ziglinas
Department of Otorhinolaryngology, Head and Neck Surgery, Inselspital, University of Berne, Berne, Switzerland
Oral Oncol 46:287-91. 2010..The preoperative assessment of the nature of submandibular gland tumors remains challenging. Aggressive treatment of patients with malignant disease may help to avoid poor prognosis... - Success and predictability of provox prosthesis voice rehabilitationMichel A Hotz
Department of Otorhinolaryngology, Head and Neck Surgery, University Hospital Inselspital, 3010 Bern, Switzerland
Arch Otolaryngol Head Neck Surg 128:687-91. 2002.... - Canalicular adenoma of a minor salivary gland on the palate: a case presentationPeter Werder
Department of Oral Surgery and Stomatology, School of Dental Medicine, University of Bern, Bern, Switzerland
Quintessence Int 40:623-6. 2009..The present article describes the diagnostic procedures, surgical management, and follow-up of a canalicular adenoma involving the palate of a 71-year-old man... - Endoscopic resection of laryngeal and tracheal lesions using the microdebriderMichel Nuyens
Department of Otorhinolaryngology Head and Neck Surgery, University of Berne, Inselspital, Berne, Switzerland
Acta Otolaryngol 126:402-7. 2006..Endoscopic resection of laryngeal and tracheal lesions using the microdebrider is a safe, accurate and reliable method... - Neck dissection shoulder syndrome: quantification and three-dimensional evaluation with an optoelectronic tracking systemMarco Caversaccio
Department of Otorhinolaryngology-Head and Neck Surgery, University Hospital (Inselspital, University of Bern, Bern, Switzerland
Ann Otol Rhinol Laryngol 112:939-46. 2003..The Constant scores were significantly lower after RND than after MRND (p < .01). Three-dimensional evaluation of the shoulder syndrome supports the Constant score, quantifying what can be measured objectively...