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Open Access 30-01-2024 | Thyroid Disease | Case Report

Follicular adenoma with a papillary architecture originating from an ectopic thyroid gland: a case report

Authors: Kiyomi Kuba, Tomonori Kawasaki, Yuichiro Enoki, Hitoshi Inoue, Satoko Matsumura, Tomoko Yamazaki, Yasuhiro Ebihara, Mitsuhiko Nakahira, Masashi Sugasawa

Published in: BMC Endocrine Disorders | Issue 1/2024

Abstract

Background

Follicular adenomas with papillary architecture are rare tumors of thyroid origin and are composed of completely encapsulated follicular cells with a papillary architecture lacking the nuclear characteristics of papillary carcinoma. Herein, we present a case of follicular adenoma with papillary architecture originating from an ectopic thyroid gland, diagnosed from a mass in the submandibular region.

Case Presentation

A 70-year-old woman was referred to our hospital with the chief complaint of a painless left submandibular mass that had been present for one year. The patient underwent left submandibular dissection for therapy and diagnosis. Microscopically, papillary lesions with fibrovascular cores were observed in the interior, and the epithelial cells were cylindrical in shape with eosinophilic cytoplasm, round or oval nuclei, with no pathological features, leading to a diagnosis of papillary carcinoma or follicular carcinoma. The mass was diagnosed as a follicular thyroid adenoma with papillary architecture. This is the first report of a follicular adenoma with a papillary architecture originating from an ectopic thyroid gland.

Conclusion

This experience suggests that follicular adenoma should be included in the differential diagnosis of ectopic thyroid tumors.

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Title: Follicular adenoma with a papillary architecture originating from an ectopic thyroid gland: a case report
Authors: Kiyomi Kuba
Tomonori Kawasaki
Yuichiro Enoki
Hitoshi Inoue
Satoko Matsumura
Tomoko Yamazaki
Yasuhiro Ebihara
Mitsuhiko Nakahira
Masashi Sugasawa
Publication date: 30-01-2024
Publisher: BioMed Central
Keywords: Thyroid Disease
Thyroid Cancer
Diagnostics in Endocrinology
Diagnostics in Oncology
Thyroid Cancer
Published in: BMC Endocrine Disorders / Issue 1/2024
Electronic ISSN: 1472-6823
DOI: https://doi.org/10.1186/s12902-024-01547-y

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Abstract

Background

Case Presentation

Conclusion

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