• Yuanyuan Xing, Xiaojing Wu, Caina Xu, Li Sun, Huiying Li, Yafei Zhang, Hongyuan Xue, and Yuquan Ye.
• Department of Ultrasound, Hebei General Hospital, Shijiazhuang, Hebei, China.
• Medicine (Baltimore). 2021 Apr 9; 100 (14): e25469e25469.

RationaleEccrine spiradenoma (ES) is a rare benign skin adnexal tumor originating from eccrine sweat glands. The features of ES on ultrasonography (US) have received little attention. Therefore, we report the sonographic findings in a case of an ES that originated from the abdominal wall and discuss the previously reported cases.Patient ConcernsA 53-year-old woman was admitted to our hospital with a complaint of a painful nodule on the right side of her abdominal wall of 1-year duration.DiagnosesThe mass on the right side of abdominal wall was diagnosed as ES by histopathological examination.InterventionsThe patient subsequently underwent total excision of the mass.OutcomesThe patient recovered well and had no complications during the 1-year follow-up.LessonsAs eccrine spiradenoma (ES) is rare and most of the tumors are excised without prior imaging studies. Little is known regarding the features of ES on ultrasonography (US). Familiarizing with the clinical and US features of this rare tumor may increase awareness of the disease among sonographers and clinicians.Copyright © 2021 the Author(s). Published by Wolters Kluwer Health, Inc.

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