A 20 year female presents with a ovarian mass 6x 6 x 6cm in size. Ultrasonography reveals solid structures in the mass. Her serum biomarkers such as AFP. fO-hCG and CA 125 are normal, however, her serum alkaline phosphatase was found to be elevated. The most likely diagnosis is: (A) Dysgerminoma, (B) Endodermal sinus tumor, (C) Malignant teratoma, (D) Mucinous cystadenocarcinoma
Answer is A. None