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Pituitary metastases of Hürthle cell carcinoma of the thyroid
  1. Nosakhare Paul Ilerhunmwuwa1,
  2. Robert Goldspring2,
  3. Simon Page1 and
  4. Ravikanth Gouni1
  1. 1Diabetes and Endocrinology, Queen's Medical Centre Nottingham University Hospital NHS Trust, Nottingham, UK
  2. 2Pathology, Queen's Medical Centre Nottingham University Hospital NHS Trust, Nottingham, UK
  1. Correspondence to Dr Nosakhare Paul Ilerhunmwuwa; ilerhunmwuwa{at}gmail.com

Abstract

An 85-year-old man was referred to endocrinology following the discovery of an incidental pituitary mass on cranial imaging which was thought to be a non-functioning adenoma during an admission with headaches, lethargy, confusion and hyponatraemia. He had a history of Hürthle cell carcinoma of the thyroid treated with total thyroidectomy, ablative radioiodine therapy and thyroxine replacement. Subsequently, he developed metastatic spread to the neck, lungs and skeleton. About 9 months later, the patient had deterioration of vision. MRI showed a rapidly expanding pituitary mass with compression of the optic chiasm. Biochemical investigations confirmed hypocortisolism and hypogonadism. The patient underwent trans-sphenoidal resection of the pituitary mass followed by external beam radiotherapy to the pituitary bed. Histopathology confirmed a metastatic deposit of Hürthle cell carcinoma, which is a rare and aggressive variant of follicular thyroid carcinoma.

  • pituitary disorders
  • thyroid disease

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Footnotes

  • Contributors NPI was involved in gathering the medical records, drafting the case report and literature search, and referencing; he is also the guarantor. RG reviewed the histology slides and provided the photomicrographs with the description. SP conceived the idea of writing the case report, critically reviewed and approved the final draft of the case report. RG conceived the idea of writing the case report, managed the patient and critically reviewed the final draft of the report.

  • 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.

  • Competing interests None declared.

  • Patient consent for publication Obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.