Primary extraskeletal Ewing's sarcoma of the breast in a 13-year-old girl: a case report.

ABSTRACT:

Background

The Ewing sarcoma family of tumors (ESFT) comprises classic Ewing sarcoma (ES) of the bone and extraskeletal Ewing sarcoma (EES). EES typically arises in the soft tissues of the trunk and extremities. Primary breast ES is a rare entity, predominantly reported as clinical case reports. Furthermore, pediatric primary breast ES is exceptionally rare. To date, there have been few reports of clinical cases.

Case presentation

we report a rare case of primary breast ES in a 13-year-old girl from a Chinese ethnic minority group.She presented with an accidentally discovered enlarging mass in her right breast. Initial evaluations at a local hospital, including breast ultrasound and chest CT scan, revealed an 11.8 × 10.3 × 8.5 cm solid and cystic mass within the right breast

SUBMITTER: Liu X 

PROVIDER: S-EPMC12426235 | biostudies-literature | 2025

REPOSITORIES: biostudies-literature