- A Case of Ectopic Thyroid Tissue Diagnosed by Fine Needle Aspiration in the Lateral Neck.
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Kyung Nam Lee, Sang Mi Kim, Jin Hee Choi, Kwang Duck Ryu, Bo Won Kim, Min Ji Shin, Bo Hyun Kim, In Ju Kim
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Endocrinol Metab. 2012;27(3):217-221. Published online September 19, 2012
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DOI: https://doi.org/10.3803/EnM.2012.27.3.217
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- Ectopic thyroid glands generally occur in the midline as a result of abnormal median migration and their presence in lateral to the midline is rare. Embryologically, the thyroid gland is derived from two anlages: a large median endodermal anlage and two lateral anlages. The median anlage produces most of the thyroid parenchyma, whereas the lateral anlage is derived from the fourth pharyngeal pouch and contributes 1-30% of the thyroid weight. In rare cases, failure of the lateral anlage to fuse with the median anlage can result in lateral ectopic thyroid gland. For many years, lateral, aberrant thyroid tissue in adults was a term used almost exclusively for metastatic thyroid carcinoma. However, aberrant, benign ectopic thyroid tissue rarely occurs. We present a 47-year-old man who had incidentally detected mass on the right lateral neck. He was clinically in a euthyroid status and the thyroid function test results were normal as well. Neck ultrasonography revealed a mild diffuse goiter and a 1.22 x 0.65 cm sized ovoid mass like lesion was located in the right level IV of the neck. The result of fine needle aspiration cytology was adenomatous goiter without lymphoid tissue or any malignancy. We rarely report aberrant, benign ectopic thyroid presence as a lateral neck mass.
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Citations
Citations to this article as recorded by  - Ectopic Thyroid Mimicking Lymph Node Metastasis of Thyroid Cancer
Min Young Cho, Dong Young Kim
Korean Journal of Otorhinolaryngology-Head and Neck Surgery.2023; 66(6): 417. CrossRef - A Case of Lateral Ectopic Thyroid Mimicking the Metastatic Lymphadenopathy
Seung Ho Kim, Jung Heob Sohn, Jung Yeon Kim
Korean Journal of Otorhinolaryngology-Head and Neck Surgery.2019; 62(10): 588. CrossRef
- A Case of Solitary Extramedullary Plasmacytoma of the Thyroid Presented as a Thyroid Tumor with Hashimoto's Thyroiditis.
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Eunjung Jo, Dong Woo Ha, Jin Hee Choi, Kyung Nam Lee, Jung Seop Eom, Mi Ra Kim, Yun Kyung Jeon, Sang Soo Kim, Bo Hyun Kim, In Joo Kim
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Endocrinol Metab. 2012;27(1):77-82. Published online March 1, 2012
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DOI: https://doi.org/10.3803/EnM.2012.27.1.77
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66,043
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- Extramedullary plasmacytomas most commonly occur in the nasal cavity, nasopharynx, paranasal sinuses, and larynx. Solitary extramedullary plasmacytoma (SEP) of the thyroid gland is rare. The diagnosis of SEP of the thyroid by cytology is typically difficult before surgery, and the entity is often confused with different cytology findings. We report a case of a 59-year-old man with primary plasmacytoma of the thyroid presented as a rapidly enlarging thyroid gland with Hashimoto's thyroiditis. He had been suffering from anterior neck swelling for 1 month. Several fine-needle aspiration biopsies yielded Hashimoto's thyroiditis. During a follow-up period of 3 years, the size of the thyroid gland increased and a mass lesion in right thyroid gland was detected. A total thyroidectomy was performed based on a diagnosis of a thyroid tumor with Hashimoto's thyroiditis. Permanent pathology identified the mass as an extramedullary plasmacytoma associated with Hashimoto's thyroiditis. Skeletal survey and serum electrophoresis tests were normal, and a bone marrow biopsy yielded no evidence of multiple myeloma. The patient underwent definitive radiotherapy and remained free from any recurrences during follow-up.
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Citations
Citations to this article as recorded by - It's not all about the thyroid! Extrinsic and unusual pathology affecting the thyroid gland: A pictorial review
Edward Walker, Shishir Karthik, Preetha Chengot, Sriram Vaidyanathan
Clinical Imaging.2022; 85: 29. CrossRef
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