GLI1 and rhabdomyosarcoma: ACTB::GLI1 fusion has been observed in a distinct mesenchymal neoplasm exhibiting a pericystic phenotype, previously referred to as a t (7;12) translocation pericytoma, and has become an important diagnostic marker, helping differentiate tumors such as small round cell tumors, melanoma, and rhabdomyosarcomas [2,29].