Low-Grade Endometrial Stromal Sarcoma-Like Tumors in Male with JAZF1 Gene Fusions

Researchers reported two new cases of low-grade endometrial stromal sarcoma-like sarcoma in male patients, one presenting as a periprostatic/peri-rectal mass with a JAZF1-GLI3 fusion, while the other as a paratesticular mass with a JAZF1-PHF1 fusion.