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Management of a giant adrenal schwannoma
  1. Aditya Viswanath1,
  2. Jolyon Dales2,
  3. Vikas Shah3 and
  4. Miles Levy2
  1. 1Department of Medicine, University of Leicester Medical School, Leicester, UK
  2. 2Department of Endocrinology, University Hospitals of Leicester NHS Trust, Leicester, UK
  3. 3Department of Radiology, University Hospitals of Leicester NHS Trust, Leicester, UK
  1. Correspondence to Dr Miles Levy; miles.levy{at}


In this case report, we present a man in his 60s who presented with an incidentally discovered right adrenal mass, which turned out to be an adrenal schwannoma. This is a very rare tumour that originates from Schwann cells and involves the peripheral nerves. The tumour was removed by open adrenalectomy, and this 15-cm adrenal schwannoma is one of the largest reported in the literature, with none >16 cm having ever been reported. This case highlights the importance of keeping an open mind about the cause of an incidentally discovered adrenal mass, which is an increasingly common way for adrenal tumours to present given the increased access to cross-sectional imaging. As well as presenting the case and the pathological basis behind adrenal schwannomas, we include a review of the literature and a general discussion about incidentally discovered adrenal masses.

  • adrenal disorders
  • genetic screening / counselling
  • pathology

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  • X @DrVikasShah, @MilesLevyEndocrine

  • Contributors The following authors were responsible for drafting of the text, sourcing, and editing of clinical images, investigation results, drawing original diagrams and algorithms and critical revision for important intellectual content: AV, JD, VS and ML. The following authors gave final approval of the manuscript: AV, JD, VS and ML.

  • 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.