<prompt> MC ovarian tumour in younger age group or MC malignant Tumor in young age group :DysgerminomaDermoidMucinous cystadenomaFibroma  <response>: - dysgerminoma is the most common among the malignant germ cell tumors accounting for 40. - it occurs in children and young women. Reference : Textbook of gynaecology Sheila balakrishnan, 2nd edition, pg no: 283 p 