Epithelioid leiomyosarcoma harboring HMGA2::RAD51B fusion: expanding the spectrum of RAD51B-rearranged uterine sarcoma

Key Points

• Epithelioid leiomyosarcoma displays distinct characteristics linked to the HMGA2::RAD51B fusion event—indicating biogenetic diversity.
• The fusion highlights a unique genetic alteration in the tumor, which may inform future diagnostic approaches.
• Analysis of tissue samples identified the HMGA2::RAD51B fusion, representing a novel finding in uterine sarcoma classification.
• Further research is needed to understand the implications of this fusion on treatment options and patient outcomes.