Adrenal and juxta‐adrenal schwannomas: A single‐centre study
Authors' conclusion
Adrenal and juxta-adrenal schwannomas are nonfunctioning benign tumours that present with indeterminate radiographic features, including large tumour size and increased unenhanced CT attenuation. We did not find an imaging phenotype that was diagnostic of schwannoma. The diagnosis of this rare tumour is based on biopsy or resection.
Study context
- Population
- Patients with a histopathologic diagnosis of adrenal or juxta-adrenal schwannoma, single centre, 1995–2022
- Participants
- 24 patients
- Exposure
- Adrenal schwannoma vs juxta-adrenal schwannoma
- Adrenal schwannoman = 8
- Juxta-adrenal schwannoman = 16
- Outcome
- Clinical, biochemical and imaging characteristics
- Follow-up
- At diagnosis
Methodological detailssingle-centre
- Single-centre
Main finding
As reported in the abstract
- Discovered incidentally on imaging
- 21, 88%
- All tumours unilateral; left
- 15 (62%)
- Right
- 9 (38%)
- Median tumour size
- 4 cm (range, 2-13 cm)
- Round or oval
- 16 (70%)
- Lobulated
- 7 (30%)
- Solid
- 15 (68%)
- Solid-cystic
- 7 (32%)
- Heterogeneous
- 14 (61%)
- Homogeneous
- 9 (39%)
- Median unenhanced CT attenuation
- 30 Hounsfield units (HU) (range, 12-38 HU)
Observational data: associations, not effects.
Further findings
Tumour size by type · at diagnosis · smaller with adrenal schwannoma
P = 0.037
Original publication
Adrenal and juxta‐adrenal schwannomas: A single‐centre study. Clin Endocrinol (Oxf). Published 4 May 2023. doi:10.
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