system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
All are germ cell tumors except -
assistant
The correct answer is  I. Germ cell tumors A. Seminomatous tumors 1. Seminoma 2. Spermatocytic seminoma 3. Anaplastic seminoma B. Non-seminomatous tumors 1. Embryonal carcinoma 2. Yolk sac (endodermal sinus) tumor 3. Choriocarcinoma C. Teratoma Mature Immature Teratoma with malignant transformation D. Mixed germ cell tumors II. Sex cord-stromal tumors A. Leydig cell tumor B. Seoli cell tumor Ref: RAM DAS NAYAK EXAM PREPARATORY MANUAL FOR UNDERGRADUATES 2nd ed. pg no: 650