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Case Report Open Access

Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report

  • Authors:
    • Yi‑Ying Lee
    • Wen‑Ching Wang
    • Chien‑Feng Li
  • View Affiliations / Copyright

    Affiliations: Department of Pathology, Chi‑Mei Medical Center, Tainan 71004, Taiwan, R.O.C., Department of General Surgery, Chi‑Mei Medical Center, Tainan 71004, Taiwan, R.O.C.
    Copyright: © Lee et al. This is an open access article distributed under the terms of Creative Commons Attribution License.
  • Pages: 1255-1258
    |
    Published online on: June 25, 2015
       https://doi.org/10.3892/ol.2015.3423
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Abstract

Ectopic cervical thymoma is a rare tumor that originates from ectopic thymic tissue trapped during the migration of the embryonic thymus. To the best of our knowledge, only 14 cases of ectopic cervical thymoma, which include descriptions of the cytological features based on fine‑needle aspiration (FNA), have been reported thus far. The current study describes the case of a 52‑year‑old male presenting with an enlarging anterior neck mass that been apparent for a number of years and was now accompanied by shortness of breath. FNA cytology revealed large numbers of small lymphocytes admixed with rare groups of large, polygonal cells that were interpreted to be reactive lymphocytes or possible follicular dendritic cells. However, no definite follicular or Hürthle cells were identified. Therefore, the overall cytological features were misinterpreted as a lymphoproliferative lesion. However, subsequent histological analysis of the resected left total lobectomy specimen determined a diagnosis of thymoma, type B1. Thus, awareness of this entity combined with a careful search for thymic epithelial cells may aid in determining a correct diagnosis when FNA is performed for the evaluation of a neck mass.
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Copy and paste a formatted citation
Spandidos Publications style
Lee YY, Wang WC and Li CF: Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report. Oncol Lett 10: 1255-1258, 2015.
APA
Lee, Y., Wang, W., & Li, C. (2015). Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report. Oncology Letters, 10, 1255-1258. https://doi.org/10.3892/ol.2015.3423
MLA
Lee, Y., Wang, W., Li, C."Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report". Oncology Letters 10.3 (2015): 1255-1258.
Chicago
Lee, Y., Wang, W., Li, C."Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report". Oncology Letters 10, no. 3 (2015): 1255-1258. https://doi.org/10.3892/ol.2015.3423
Copy and paste a formatted citation
x
Spandidos Publications style
Lee YY, Wang WC and Li CF: Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report. Oncol Lett 10: 1255-1258, 2015.
APA
Lee, Y., Wang, W., & Li, C. (2015). Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report. Oncology Letters, 10, 1255-1258. https://doi.org/10.3892/ol.2015.3423
MLA
Lee, Y., Wang, W., Li, C."Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report". Oncology Letters 10.3 (2015): 1255-1258.
Chicago
Lee, Y., Wang, W., Li, C."Aspiration cytology of an ectopic cervical thymoma misinterpreted as a lymphoproliferative lesion of the thyroid: A case report". Oncology Letters 10, no. 3 (2015): 1255-1258. https://doi.org/10.3892/ol.2015.3423
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