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Sinonasal schwannoma masquerading as an IgG4-related nasal mass
  1. Shrimoyee Roy1,
  2. Aditi Mehta2,
  3. Manjul Muraleedharan1 and
  4. Ramandeep Singh Virk1
  1. 1Otorhinolaryngology and Head and Neck Surgery, Post Graduate Institute of Medical Education and Research, Chandigarh, India
  2. 2Grewal Eye Institute, Chandigarh, Chandigarh, India
  1. Correspondence to Dr Ramandeep Singh Virk; virkdoc{at}


An elderly (8th decade) diabetic patient presented with insidious, painless protrusion of the right eye for 1 month, associated with nasal congestion. Past history included healed serous chorioretinopathy in the right eye (>30 years back) and recently diagnosed (1 year prior) autoimmune IgG4-related pancreatitis for which he was on long-term corticosteroids. On nasal endoscopic examination, a well circumscribed mass was found in the right nasal cavity.

Keeping in mind the systemic diagnosis, the sinonasal mass was suspected to be a IgG4-related disease. An endoscopic biopsy was performed and revealed a surprise diagnosis of grade 1 nasal schwannoma.

  • Ophthalmology
  • Radiology
  • nasal polyps
  • Pathology

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  • Contributors SR contributed to patient management, data collection and manuscript preparation. AM

    contributed to patient management, conception, data collection and manuscript preparation and revision. MM contributed to patient management and manuscript revision. RSV

    contributed to conception, supervision, patient management and manuscript revision.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Case reports provide a valuable learning resource for the scientific community and can indicate areas of interest for future research. They should not be used in isolation to guide treatment choices or public health policy.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.