Nikolaus Wolter, University of Toronto

Research

Read how they describe their research on their University of Toronto profile.

Latest papers

Diagnostic performance of ultrasound guided salivary gland core needle biopsy and fine needle aspiration in children.
Pediatric radiology · 2026
Management of pott's puffy tumor: a Delphi-method international clinical consensus statement.
European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery · 2025
Association of empiric antibiotic selection and clinical outcomes in hospitalised children with severe orbital infections: a retrospective cohort study
Archives of Disease in Childhood · 2024

All 6 publications

Latest funding

Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial
CIHR · 2025 · Co-investigator
$417,012
Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial
CIHR · 2024 · Co-investigator
$149,866

All 2 grants and awards

6 publications.

01

Diagnostic performance of ultrasound guided salivary gland core needle biopsy and fine needle aspiration in children.

Oliveira V, Lafrenière A, Wolter N, Amaral J, Gasparetto A, Parra Rojas D

Pediatric radiology2026

DOI: 10.1007/s00247-025-06424-x PMID: 41099759

02

Management of pott's puffy tumor: a Delphi-method international clinical consensus statement.

van der Poel N, Shah G, Wolter N, Georgalas C, Vroegop A, Couloigner V, Simon F, Stapleton AL, Crosby D, Ramaswamy U, Walz P, Al-Barazi R, Wormald PJ, Ortiz E, Villamor P, Min JY, Pacheco A, Langdon C, Naik P, Peer S, Mehanna R, Craig JR, Saibene AM

European archives of oto-rhino-laryngology : official journal of the European Federation of Oto-Rhino-Laryngological Societies (EUFOS) : affiliated with the German Society for Oto-Rhino-Laryngology - Head and Neck Surgery2025

DOI: 10.1007/s00405-025-09589-1 PMID: 40782155

03

Association of empiric antibiotic selection and clinical outcomes in hospitalised children with severe orbital infections: a retrospective cohort study

Krueger C, Nguyen EL-V, Mahant S, Borkhoff CM, Cichon J, Drouin O, Pound C, Quet J, Wahi G, Bayliss A

Archives of Disease in Childhood20247 citations

DOI: 10.1136/archdischild-2023-326175

04

International Pediatric Otolaryngology Group: Consensus guidelines on the diagnosis and management of non-tuberculous mycobacterial cervicofacial lymphadenitis

Catherine F. Roy, Karthik Balakrishnan, An N. Boudewyns, Alan Cheng, Robert H. Chun, Sam Joseph Daniel, Pierre Fayoux, Catherine K. Hart, Ann Hemansson, Richard J Hewitt, Wei-Chung Hsu, Michael Kuo, Christopher Liu, John Maddalozzo, Anna H. Messner, Seth M. Pransky, Reza Rahbar, Scott M. Rickert, Soham Roy, John A. Russell, Michael J. Rutter, Kathleen C.Y. Sie, Douglas R. Sidell, Richard Smith, Marlene A. Soma, Jorge Eduardo Freitas Spratley, Karen F. Watters, David R. White, Nikolaus Ernst Wolter, George H. Zalzal, et al. (31 authors)

International Journal of Pediatric Otorhinolaryngology202327 citations

DOI: 10.1016/j.ijporl.2023.111469 PMID: 36764081

05

In Response to Documentation in Pediatric Microlaryngoscopy/Bronchoscopy.

Neocleous P, Strychowsky JE, You P, Husein M, Nguyen LHP, Propst E, Wolter N, Graham ME, primary authors of the Pediatric Bronchoscopy Working Group

The Laryngoscope2023

DOI: 10.1002/lary.30502 PMID: 36458665

06

Care and outcomes of Canadian children hospitalised with periorbital and orbital cellulitis: protocol for a multicentre, retrospective cohort study

Gill PJ, Parkin PC, Begum N, Drouin O, Foulds J, Pound C, Quet J, Vomiero G, Wahi G, Sakran M

BMJ Open201926 citationsOpen Access

DOI: 10.1136/bmjopen-2019-035206 PMID: W2995638181

Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial

Co-investigatorCIHR2025Project Grant

Principal investigators: Gill, Peter J; Buchanan, Francine; Mahant, Sanjay

Keywords: Child Health; Clinical Epidemiology; Dexamethasone; Feasibility; General Pediatrics; Hospital Medicine; Orbital Cellulitis; Patient Oriented Research; Pilot Study; Randomized Controlled Trial

$417,012

Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial

Co-investigatorCIHR2024Operating Grant: ECRs in Human Development, Child and Youth Health

Principal investigators: Gill, Peter J; Buchanan, Francine; Mahant, Sanjay

Keywords: Child Health; Clinical Epidemiology; Dexamethasone; Feasibility; General Pediatrics; Hospital Medicine; Orbital Cellulitis; Patient Oriented Research; Pilot Study; Randomized Controlled Trial

$149,866

From public funding decisions: CIHR since 2008, NSERC since 1991 and SSHRC since 1998 with their latest competition results, the Canada Foundation for Innovation, Genome Canada, the Canadian Space Agency, Canada Research Chairs, the Fonds de recherche du Québec, Ontario research funding, Michael Smith Health Research BC, the Canadian Cancer Society, Heart & Stroke and Brain Canada.

Frequent collaborators

Cornelia Borkhoff and Patricia Parkin: 106 shared papers
Sanjay Mahant and Peter Gill: 71 shared papers
Sanjay Mahant and Patricia Parkin: 45 shared papers
Patricia Parkin and Peter Gill: 34 shared papers
Gita Wahi and Sanjay Mahant: 33 shared papers
Elise Graham and Julie Strychowsky: 33 shared papers
Gita Wahi and Patricia Parkin: 26 shared papers
Gita Wahi and Peter Gill: 25 shared papers
Sanjay Mahant and Cornelia Borkhoff: 20 shared papers
Sanjay Mahant and Olivier Drouin: 17 shared papers
Cornelia Borkhoff and Peter Gill: 17 shared papers
Patricia Parkin and Eleanor Pullenayegum: 17 shared papers
Peter Gill and Olivier Drouin: 17 shared papers
Gita Wahi and Olivier Drouin: 16 shared papers
Murad Husein and Julie Strychowsky: 16 shared papers
Sanjay Mahant and Eleanor Pullenayegum: 14 shared papers
Sanjay Mahant and Gemma Vomiero: 13 shared papers
Peter Gill and Gemma Vomiero: 13 shared papers
Elise Graham and Murad Husein: 13 shared papers
Gita Wahi and Gemma Vomiero: 12 shared papers
Gita Wahi and Eleanor Pullenayegum: 10 shared papers
Peter Gill and Carsten Krueger: 10 shared papers
Patricia Parkin and Arun Reginald: 9 shared papers
Sanjay Mahant and Arun Reginald: 8 shared papers
Peter Gill and Anupam Sehgal: 8 shared papers
Peter Gill and Arun Reginald: 8 shared papers
Sanjay Mahant and Carsten Krueger: 7 shared papers
Sanjay Mahant and Anupam Sehgal: 7 shared papers
Gita Wahi and Mahmoud Sakran: 6 shared papers
Patricia Parkin and Carsten Krueger: 6 shared papers
Sanjay Mahant and Mahmoud Sakran: 5 shared papers
Peter Gill and Mahmoud Sakran: 5 shared papers
Olivier Drouin and Anupam Sehgal: 5 shared papers
Gita Wahi and Jessica Foulds: 3 shared papers
Sanjay Mahant and Jessica Foulds: 3 shared papers
Patricia Parkin and Jessica Foulds: 3 shared papers
Joao Amaral and Alessandro Gasparetto: 3 shared papers
Gita Wahi and Nikolaus Wolter: 2 shared papers
Sanjay Mahant and Nikolaus Wolter: 2 shared papers
Patricia Parkin and Nikolaus Wolter: 2 shared papers
Peter Gill and Nikolaus Wolter: 2 shared papers
Olivier Drouin and Nikolaus Wolter: 2 shared papers
Eleanor Pullenayegum and Nikolaus Wolter: 2 shared papers
Gemma Vomiero and Nikolaus Wolter: 2 shared papers
Jessica Foulds and Nikolaus Wolter: 2 shared papers
Nikolaus Wolter and Arun Reginald: 2 shared papers
Sam Daniel and Elise Graham: 1 shared paper
Sam Daniel and Murad Husein: 1 shared paper
Sam Daniel and Julie Strychowsky: 1 shared paper
Sam Daniel and Nikolaus Wolter: 1 shared paper
Cornelia Borkhoff and Nikolaus Wolter: 1 shared paper
Elise Graham and Evan Propst: 1 shared paper
Elise Graham and Nikolaus Wolter: 1 shared paper
Murad Husein and Evan Propst: 1 shared paper
Murad Husein and Nikolaus Wolter: 1 shared paper
Julie Strychowsky and Evan Propst: 1 shared paper
Julie Strychowsky and Nikolaus Wolter: 1 shared paper
Carsten Krueger and Nikolaus Wolter: 1 shared paper
Mahmoud Sakran and Nikolaus Wolter: 1 shared paper
Anupam Sehgal and Nikolaus Wolter: 1 shared paper
Evan Propst and Nikolaus Wolter: 1 shared paper
Nikolaus Wolter and Joao Amaral: 1 shared paper
Nikolaus Wolter and Alessandro Gasparetto: 1 shared paper

Institute of Health Policy, Management, and Evaluation
Pediatrics
Department of Otolaryngology-Head & Neck Surgery
Department of Medical Imaging
Department of Otolaryngology - Head and Neck Surgery
Department of Ophthalmology
Biostatistics Division
Other

1 shared papers, latest 2024

Anupam Sehgal

Pediatrics

1 shared papers, latest 2019

Evan Propst

Department of Otolaryngology-Head & Neck Surgery

1 shared papers, latest 2023

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Subject: Prospective PhD student Dear Professor Wolter, My name is [your name], and I am a [your current degree or role] at [your institution]. I am applying for a PhD position starting in [term and year]. I read your paper "Diagnostic performance of ultrasound guided salivary gland core needle biopsy and fine needle aspiration in children." (2026), and it connects closely to my own work on [your research topic]. [One or two sentences on what you did and what you learned.] Are you accepting new PhD students for [term and year]? I have attached my CV and transcripts, and I would be glad to talk at a time that suits you. Thank you for your time. Kind regards, [your name]

Nikolaus Wolter

Research

Latest papers

Latest funding

Diagnostic performance of ultrasound&#xa0;guided salivary gland core needle biopsy and fine needle aspiration in children.

Management of pott's puffy tumor: a Delphi-method international clinical consensus statement.

Association of empiric antibiotic selection and clinical outcomes in hospitalised children with severe orbital infections: a retrospective cohort study

International Pediatric Otolaryngology Group: Consensus guidelines on the diagnosis and management of non-tuberculous mycobacterial cervicofacial lymphadenitis

In Response to Documentation in Pediatric Microlaryngoscopy/Bronchoscopy.

Care and outcomes of Canadian children hospitalised with periorbital and orbital cellulitis: protocol for a multicentre, retrospective cohort study

Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial

Dexamethasone vs. Placebo in Children and Youth Hospitalized for Orbital Cellulitis (DOC): a Pilot Randomized Clinical Trial

Frequent collaborators

Arun Reginald

Gita Wahi

Catherine Pound

Sanjay Mahant

Patricia Parkin

Peter Gill

Olivier Drouin

Eleanor Pullenayegum

Gemma Vomiero

Jessica Foulds

Joao Amaral

Alessandro Gasparetto

Mahmoud Sakran

Elise Graham

Sam Daniel

Murad Husein

Elysa Widjaja

Julie Strychowsky

Cornelia Borkhoff

Carsten Krueger

Anupam Sehgal

Evan Propst

Diagnostic performance of ultrasound guided salivary gland core needle biopsy and fine needle aspiration in children.