A RARE CASE OF PERITONEAL METASTASIS FROM FOLLICULAR THYROID CARCINOMA WITHOUT PRIMARY LESION IN A PATIENT WITH HYPOPITUITARISM

Authors

  • Thachanun Porntharukchareon
  • Thanaporn Mahasandanaa
  • Chayanee Samdaengpan
  • Thaniya Sricharunrat
  • Anchisa Kunawudhi

Keywords:

follicular thyroid carcinoma, peritoneal metastasis

Abstract

CASE
A 44-year-old female presented with multiple peritoneal nodules. Despite negative CT scans of the chest, abdomen, and gynecologic examination, a peritoneal biopsy confirmed metastatic tumor cells displaying thyroid follicular cell characteristics, supported by positive CK-7, thyroglobulin, and TTF-1 markers. A thyroid ultrasound detected a small left thyroid nodule, expected to have no impact on the thyroid function test. However, it revealed low FT4 and normal TSH levels, suggesting secondary hypothyroidism. A pituitary MRI revealed a reduced pituitary gland height and a 0.4 cm less enhancing nodule in the right anterior lobe. The patient underwent total thyroidectomy, however, no evidence of follicular thyroid carcinoma was observed. After radioactive iodine (RAI) treatment, a whole body scan revealed thyroid remnants and multiple peritoneal nodules with radioiodine uptake in the follow-up scan. Non-stimulated thyroglobulin levels at 3 and 6 months after RAI were 1798 and 1182 ng/mL, respectively, prompting the decision for a second RAI therapy.

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Author Biographies

Thachanun Porntharukchareon

Chulabhorn Hospital, Bangkok, Thailand

Thanaporn Mahasandanaa

Chulabhorn Hospital, Bangkok, Thailand

Chayanee Samdaengpan

Chulabhorn Hospital, Bangkok, Thailand

Thaniya Sricharunrat

Chulabhorn Hospital, Bangkok, Thailand

Anchisa Kunawudhi

Chulabhorn Hospital, Bangkok, Thailand

References

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Published

2023-11-09

How to Cite

Porntharukchareon, T., Mahasandanaa, T., Samdaengpan, C., Sricharunrat, T. ., & Kunawudhi, A. (2023). A RARE CASE OF PERITONEAL METASTASIS FROM FOLLICULAR THYROID CARCINOMA WITHOUT PRIMARY LESION IN A PATIENT WITH HYPOPITUITARISM. Journal of the ASEAN Federation of Endocrine Societies, 38(S3), 103. Retrieved from https://asean-endocrinejournal.org/index.php/JAFES/article/view/3537

Issue

Vol. 38 No. S3 (2023): AFES Book of Abstracts (Supplement)

Section

Poster Presentation | Thyroid

License

Copyright (c) 2023 Thachanun Porntharukchareon, Thanaporn Mahasandanaa, Chayanee Samdaengpan, Thaniya Sricharunrat, Anchisa Kunawudhi

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