<prompt> Which testicular tumor produces feminizing symptoms?SeminomaTeratomaLeydig cell tumourSeoli cell tumour  <response>: Interstitial cell tumours arise from Leydig or Seoli cells. A Leydig cell tumour masculinises; a Seoli cell tumour feminises.Seoli cell tumours typically present as a testicular mass or firmness, and their presence may be accompanied by gynaecomastia 25Bailey and Love 26e pg: 1386 