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Thyroid Hemiagenesis Associated with Papillary Thyroid Carcinoma
Int J Thyroidol 2016;9(1):43-46
Published online May 30, 2016;  https://doi.org/10.11106/ijt.2016.9.1.43
© 2016 Korean Thyroid Association.

Inhye Park, Jun Ho Choi, Jung-Han Kim and Jee Soo Kim

Division of Breast and Endocrine Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, Korea
Correspondence to: Jee Soo Kim, MD, PhD,
Division of Breast and Endocrine Surgery, Department of Surgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul 06351, Korea
Tel: 82-2-3410-0253, Fax: 82-2-3410-6982, E-mail: jskim0126@skku.edu
Received October 21, 2015; Revised January 25, 2016; Accepted February 22, 2016.
This is an open-access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (https://creativecommons.org/licenses/by-nc/4.0), which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited.
Abstract
Thyroid hemiagenesis is a rare congenital anomaly that is caused by a developmental defect of a thyroid. Previous reports indicate that thyroid cancer associated with hemiagenesis is extremely rare. A 47-year-old woman presented with single nodule in the right thyroid gland that was incidentally detected during a routine medical checkup. Ultrasonography showed a 1.5×1.2 cm sized ill-defined irregular hypoehoic nodule in the right thyroid and the isthmus was present. However, the left thyroid was not seen and thyroid was disconnected at left paraisthmic area. Fine-needle aspiration cytology confirmed that the right thyroid nodule was papillary thyroid carcinoma. Total thyroidectomy with bilateral central compartment node dissection was performed. Permanent pathologic finding was 1.3×1 cm sized classical type papillary thyroid carcinoma with nodular hyperplasia. There was extensive lymphatic invasion and 3 metastatic lymph nodes out of 4 in central compartment. In conclusion, although thyroid hemiagenesis associated with thyroid carcinoma is extremely rare, treatment strategy is not different with patients with normal anatomy. And the possibility of developing a thyroid carcinoma should be considered in patients with hemiagenesis. Furthermore, it requires awareness of anatomical difference around the thyroid gland during operation.
Keywords : Thyroid hemiagenesis, Thyroid cancer, Papillary thyroid carcinoma

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