MGA-NUTM1-rearranged cases. a An MGA-NUTM1 case (case 20) showed spindled cells with tapered ends set in an abundant myxoid stroma. b Case 20 also showed speckled pattern of nuclear NUT expression. c, d The other MGA-NUTM1 case (case 25) showed oval to round primitive cells with vesicular nuclei and prominent nucleoli, imparting a more primitive and mesenchymal appearance. (a, c, d, hematoxylin and eosin, ×100, ×200, and ×400, respectively; b, ×200)