颈前区第二鳃裂囊肿的异常位置。
Unusual location of a second branchial cleft cyst presenting in the suprasternal notch.
机构信息
Thyroid, Head and Neck Cancer (THANC) Foundation, New York, New York, USA.
Department of Otolaryngology-Head and Neck Surgery, Icahn School of Medicine at Mount Sinai Hospital, Mount Sinai Beth Israel, New York, New York, USA.
出版信息
Head Neck. 2021 Apr;43(4):E27-E29. doi: 10.1002/hed.26629. Epub 2021 Feb 3.
BACKGROUND
Second branchial cleft cysts (SBCCs) are congenital benign tumors that comprise up to 90% of all branchial cleft anomalies. SBCCs typically present in the lateral neck along the anterior border of the upper third of the sternocleidomastoid muscle. We describe a case of a SBCC presenting in an unusual location in the lower neck close to midline.
METHODS
An 18-year-old male presented with a 2-year history of a neck mass in the suprasternal notch. Imaging findings were reviewed with a head and neck radiologist who felt that the findings were highly suggestive of a fourth branchial cleft cyst.
RESULTS
The patient underwent surgical excision of the mass. Final pathologic evaluation confirmed the diagnosis of a second branchial cleft cyst.
CONCLUSIONS
Though extremely uncommon, second branchial cleft cysts can extend to the suprasternal notch and should not be excluded from the differential diagnoses of lower neck masses.
背景
第二鳃裂囊肿（SBCC）是一种先天性良性肿瘤，占所有鳃裂畸形的 90%。SBCC 通常位于颈侧，沿胸锁乳突肌上三分之一的前边界。我们描述了一例罕见的位于中下颈部接近中线的 SBCC。
方法
一名 18 岁男性因胸骨上切迹处颈部肿块就诊，病史 2 年。头颈部放射科医生对影像学结果进行了回顾，认为这些发现高度提示为第四鳃裂囊肿。
结果
患者接受了肿块切除术。最终的病理评估证实了第二鳃裂囊肿的诊断。
结论
尽管极其罕见，但第二鳃裂囊肿可延伸至胸骨上切迹，不应排除中下颈部肿块的鉴别诊断。
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