(a) Melan A stain showing focal positivity. Melan A stain (200x). (b) The neoplastic cells were positive for EMA staining. EMA stain (25x). (c) Electrophoretogram of direct sequencing of the junctional region of the EWSR1-CREB1 fusion transcript, with in-frame fusion. The schematic overview shows the EWSR1 nucleotides/amino acids in black and the CREB1 nucleotides in red.