Sinonasal schwannoma masquerading as an IgG4-related nasal mass

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-rela...

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Published inBMJ case reports Vol. 16; no. 11; p. e255135
Main Authors Roy, Shrimoyee, Mehta, Aditi, Muraleedharan, Manjul, Virk, Ramandeep Singh
Format Journal Article
LanguageEnglish
Published England BMJ Publishing Group LTD 16.11.2023
Subjects
Aged
Airway management
Autoimmune Pancreatitis
Biopsy
Case reports
Diplopia
Epistaxis
Hemangioma
Humans
Immunoglobulin G
Inflammatory diseases
Lymphoma
Male
Motility
Nasal Cavity - diagnostic imaging
Nasal Cavity - pathology
Neurilemmoma - diagnostic imaging
Neurilemmoma - pathology
Pancreatitis
Sinuses
Sinusitis
Tomography, X-Ray Computed
Tumors
Visual acuity
Radiology
nasal polyps
Pathology
Ophthalmology
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Summary: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.
Bibliography:ObjectType-Case Study-2
SourceType-Scholarly Journals-1
ObjectType-Feature-4
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ObjectType-Report-1
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ISSN:1757-790X
1757-790X
DOI:10.1136/bcr-2023-255135