A Rare Case of Thyroid Carcinoma Showing Thymus-Like Differentiation in a Young Adult

被引:5
作者
Kimura, Eri [1 ]
Enomoto, Keisuke [1 ]
Kono, Masamitsu [1 ]
Tamagawa, Shunji [1 ]
Takeda, Saori [1 ]
Kumashiro, Naoko [1 ]
Hirayama, Shun [1 ]
Kimura, Takahito [1 ]
Hotomi, Muneki [1 ]
机构
[1] Wakayama Med Univ, Dept Otolaryngol Head & Neck Surg, Wakayama, Japan
来源
CASE REPORTS IN ONCOLOGY | 2021年 / 14卷 / 01期
关键词
CASTLE; Thyroid cancer; Thymus-like differentiation;
D O I
10.1159/000514271
中图分类号
R73 [肿瘤学];
学科分类号
100214 ;
摘要
Thyroid carcinoma showing thymus-like differentiation (CASTLE) is thought to originate from ectopic thymic tissue or remnants of the developing thymus within or adjacent to the thyroid. This case report describes a mass located on the left thyroid of a 28-year-old man. Fine-needle aspiration cytology revealed a number of lymphoid cells without atypia that were similar to those seen in a malignant lymphoma of the thyroid, and surgery was performed. Based on additional histopathological findings, the tumor was finally diagnosed as a CASTLE. It is difficult to diagnose this neoplasm using fine-needle aspiration cytology. However, it is possible to differentially diagnose CASTLE based on its histological features. CD5 is useful for diagnosing CASTLE with immunohistochemical staining.
引用
收藏
页码:671 / 675
页数:5
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