Intrathyroidal parathyroid is a parathyroid completely embedded within the thyroid parenchyma. The aim of this study is to present a case with co-occurring bilateral normal intrathyroidal parathyroid glands and papillary thyroid carcinoma (PTC).
Case presentation
A 35-year-old female presented with anterior neck swelling for a duration of a week. The patient was generally asymptomatic. Ultrasound showed mild enlargement of the thyroid gland, and a well-defined solid nodule measuring 9 ∗ 8 ∗ 7 mm in the left lobe with malignant characteristics. Laboratory findings were within normal limits. Fine needle aspiration of the nodule resulted in the diagnosis of PTC. The patient underwent total thyroidectomy. Histological examination confirmed the diagnosis of well differentiated multifocal bilateral PTC alongside two bilaterally located intrathyroidal parathyroid glands.
Discussion
The occurrence of normal ITP …

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https://www.sciencedirect.com/science/article/pii/S2210261221008178