Robert Šifrer

ORCID: 0000-0002-7142-2425
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About
Contact & Profiles
Research Areas
  • Head and Neck Cancer Studies
  • Voice and Speech Disorders
  • Tracheal and airway disorders
  • Reconstructive Surgery and Microvascular Techniques
  • Salivary Gland Tumors Diagnosis and Treatment
  • Regional Development and Management Studies
  • Cancer Diagnosis and Treatment
  • Airway Management and Intubation Techniques
  • Head and Neck Surgical Oncology
  • Oral Health Pathology and Treatment
  • Trauma Management and Diagnosis
  • COVID-19 and healthcare impacts
  • Interpreting and Communication in Healthcare
  • Neuroblastoma Research and Treatments
  • Ear Surgery and Otitis Media
  • Lung Cancer Research Studies
  • Intracranial Aneurysms: Treatment and Complications
  • Respiratory Support and Mechanisms
  • Reconstructive Facial Surgery Techniques
  • Streptococcal Infections and Treatments
  • Oral and Maxillofacial Pathology
  • Dysphagia Assessment and Management
  • Nerve Injury and Rehabilitation
  • Neuroendocrine Tumor Research Advances
  • Infection Control and Ventilation

Ljubljana University Medical Centre
2014-2024

University of Ljubljana
2013-2024

Amsterdam UMC Location Vrije Universiteit Amsterdam
2017

Charing Cross Hospital
2016

Institute of Oncology Ljubljana
2016

University Pathologists
2016

Czech Academy of Sciences, Institute of Microbiology
2016

University of Liverpool
2016

Universitat de Barcelona
2016

A newly proposed classification by the European Laryngological Society (ELS) of glottic lesions narrow-band imaging (NBI) divides their vascular patterns into longitudinal and perpendicular ones. The latter are further subdivided wide narrow patterns. longitudinal, wide, characteristic benign disease, papilloma, malignancy, respectively. aim study was to investigate diagnostic effectiveness classification. Forty patients with underwent microlaryngoscopy. all vocal cords were defined NBI....

10.1007/s00405-017-4791-5 article EN cc-by European Archives of Oto-Rhino-Laryngology 2017-10-30

The pharyngocutaneous fistula (PCF) is the most common complication following a total laryngectomy (TL) with wide range of incidence and various potential risk factors. aim was to analyse factors for PCF formation in large study set collected over longer period time. In retrospective at Department Otorhinolaryngology Cervicofacial Surgery Ljubljana, 422 patients who were treated head neck cancer by TL between 2007 2020 included. comprehensive clinicopathologic data including related patient,...

10.3390/cancers15082246 article EN Cancers 2023-04-12

The diagnostic gain of narrow band imaging in the definition surgical margins treatment head and neck cancer was evaluated.A prospective study, blinded to pathologist, with historical comparison.The study group included 45 patients subjected intraoperative by imaging. control 55 who had undergone standard margins. All underwent resection tumor frozen section analysis superficial rate initial R0 ratio histologically negative for both groups were statistically compared.The 88.9% 70.9% (P =...

10.1002/lary.26405 article EN The Laryngoscope 2016-11-15

Neuroendocrine carcinomas (NECs) of the head and neck are rare experience scanty. The Cancer Registry Slovenia database was used to identify cases laryngeal pharyngeal NECs diagnosed between 1995-2020. Biopsies were analyzed for expression standard neuroendocrine markers (synaptophysin, chromogranin, CD56), INSM1, Ki-67, p16, PD-L1 (using combined positive score, CPS). In situ hybridization human papillomavirus (HPV) Epstein-Barr virus (EBV) performed. Twenty patients (larynx, 12; pharynx,...

10.3390/cancers13194813 article EN Cancers 2021-09-27

Traheotomija in postopki, povezani z njo pri bolniku s covidom-19, se ocenjujejo kot visoko tvegani za prenos virusa SARS-CoV-2 na ekipo, ki poseg opravlja, osebje, po operaciji skrbi bolnika. Namen članka je prikazati prilagoditev postopkov elektivne odprte kirurške traheotomije dolgotrajno intubiranih bolnikih zaradi okužbe virusom SARS-CoV-2. Pripravljen bil osnovni protokol elektivno odprto kirurško traheotomijo začne multidisciplinarni postavitvi indikacije vsakega bolnika posebej. Za...

10.6016/zdravvestn.3111 article SL cc-by-nc Slovenian Medical Journal 2020-12-14

The aim of the study was to provide insight into influence COVID-19 on frequency and characteristics urgent emergent tracheostomies (TS), comparing data collected both before during pandemic. Our two hypotheses were that

10.2478/raon-2024-0034 article EN cc-by-nc-nd Radiology and Oncology 2024-06-11

Background/Objectives: To test the hypothesis that clinical tumor response after a single cycle of induction chemotherapy (ICT) can reliably differentiate between chemo-/radiosensitive and resistant tumors in larynx preservation setting. Methods: Treatment consisted docetaxel/cisplatin/5-fluorouracil (TPF) ICT followed by concurrent chemoradiotherapy (cCRT) with weekly cisplatin. The primary was assessed transnasal endoscopy first cycle. Results: 37/39 (95%) patients laryngeal (46%) or...

10.20944/preprints202409.0697.v1 preprint EN 2024-09-09

(1) Background: Head and neck paragangliomas are neuroendocrine tumors that typically originate from the parasympathetic nervous system predominantly non-secretory. Their clinical manifestations result their mass effect on surrounding tissues. The approach to treating these depends factors such as location, size, impact adjacent structures, patient's overall health preferences. (2) Methods: A retrospective analysis of management temporal bone paraganglioma classes B (according modified Fisch...

10.3390/cancers16183178 article EN Cancers 2024-09-17

This study aimed to analyse the variability in incidence of pharyngocutaneous fistula (PCF), most common complication following a total laryngectomy (TLE), and identify underlying causes for fluctuations rates.

10.3390/cancers16203486 article EN Cancers 2024-10-15

10.1007/s00405-021-06820-7 article EN other-oa European Archives of Oto-Rhino-Laryngology 2021-04-21

The temporary tracheostoma's metastases of head and neck cancer had already been reported in the literature. So far, they considered as regional dissemination malignant disease. We report a case metastasis carcinoma from non-head-and-neck primary site, what has not literature, yet. Therefore, it is first systemic tumour into tracheostoma.Fifty-four-year-old female patient, previously treated for rectal adenocarcinoma, our office with exophytic pink tissue masses around tracheostoma. biopsy...

10.2478/raon-2013-0079 article EN cc-by-nc-nd Radiology and Oncology 2013-10-28

Kirurgija glave in vratu med pandemijo covida-19 je za zdravstveni sistem velik izziv. Pred kirurškimi posegi potrebna ustrezna priprava poznavanje vseh možnosti zdravljenja, da bolnik delavci ne tvegajo okužbe. Treba odložiti vse posege, katerih odložitev ogroža bolnikovega zdravja. Operacijske posege glede na nujnost delimo v tri skupine – prvo skupino sodijo urgentni, neodložljivi posegi, drugo ki jih lahko odložimo največ štiri tedne, tretjo šest do osem tednov vpliva izid zdravljenja....

10.6016/zdravvestn.3185 article SL cc-by-nc Slovenian Medical Journal 2021-11-23

Background. Cervical necrotizing fasciitis is an infectious disease with serious complications and grave prognosis. We report a case of the cervical consequent bilateral dysfunction superior laryngeal nerves describe characteristics this exceptional complication.Case report. A 71-year-old female patient, surgically treated for fasciitis, suffered from severe dysphagia after surgery. Radiographic fiberendoscopic evaluation showed aspiration hyposensibility glottis supraglottis. Apart...

10.6016/zdravvestn.1258 article EN cc-by-nc Slovenian Medical Journal 2015-10-19

Narrow-Band Imaging (NBI) is an optical endoscopic technique using optic filters to select two wavebands from a white light source and revealing mucosal submucosal vascular patterns. NBI endoscopy implemented detect various lesions of the nasal oral cavity, oropharynx hypopharynx, larynx; for finding bleeding vessel in recurrent epistaxis, more precise tissue biopsy, diagnostics synchronous cancers, tumours unknown origin, defining surgical margins, inflammation follow-up oncologic patients....

10.55295/psl.2023.i10 article EN 2023-04-14

Obstaja veliko možnosti za kritje vrzeli po onkološki kirurgiji na glavi in vratu. Najpogosteje se uporablja prosti fasciokutani radialni reženj, anterolateralni stegenski reženj vezani mišičnokožni t. i. pectoralis maior.Fasciokutani otočni supraklavikularne arterije (SCAIF) je vsestranski s področja nad ključnico ramena. Baziran supraklavikularni arteriji, katere odcepišče od žile arteria transversa colli nahaja v trikotniku vratu, ki ga omejuje posteriorni rob sternokleidomastoidne mišice...

10.6016/zdravvestn.2907 article SL cc-by-nc Slovenian Medical Journal 2019-10-06
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