Benign adrenal and suprarenal retroperitoneal schwannomas can mimic aggressive adrenal malignancies: case report and review of the literature
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- Wilson Mitchell P.
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada.
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- Katlariwala Prayash
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada.
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- Huang Jingyang
- Department of Laboratory Medicine and Pathology, University of Alberta, Edmonton, Canada.
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- Low Gavin
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada.
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- Wiebe Edward
- Department of Radiology and Diagnostic Imaging, University of Alberta, Edmonton, Canada.
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<p>The suprarenal retroperitoneum and adrenal gland is a rare site of origin for benign schwannomas which frequently present as larger and more aggressive lesions than schwannomas identified elsewhere. These tumors are often surgically excised. We present a case of an 81-year-old asymptomatic man presenting with an incidental 10 cm left suprarenal retroperitoneal mass identified on CT. The mass was indiscernible from the adrenal gland, demonstrating heterogeneous enhancement with a centrally cystic/necrotic core, and punctate calcifications. Subsequent core needle biopsy demonstrated a benign adrenal schwannoma. The lesion has been managed conservatively with imaging follow up and without complication. DISCUSSION: Our review of the literature identifies 121 reported in vivo benign adrenal and suprarenal schwannomas published to date with imaging features available for 90 cases (74%). All cases were encapsulated with the average size measuring over 6.5 cm. Fifteen percent (13/84) of reported lesions measured over 10 cm at presentation. Punctate calcification was present in 50% (26/52) of reporting cases. Nearly 50% (40/86) of cases demonstrate cystic/necrotic appearances on imaging. Despite aggressive appearances, our case demonstrates that biopsy and surveillance may represent a reasonable alternative to surgery in suboptimal surgical candidates.</p>
収録刊行物
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- Intractable & Rare Diseases Research
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Intractable & Rare Diseases Research 9 (3), 156-162, 2020-08-31
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詳細情報
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- CRID
- 1390848647544679296
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- NII論文ID
- 130007897978
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- ISSN
- 2186361X
- 21863644
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- 本文言語コード
- en
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- データソース種別
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- JaLC
- Crossref
- CiNii Articles
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- 使用不可