Following tumour produce a marked elevation of:
• Yolk sac tumors are those that resemble the yolk sac, allantois, and extraembryonic, mesenchyme.
• They are also known as endodermal sinus tumors.
• Yolk sac tumors can be seen in males and females, involving the testis, ovary, and other sites, such as the
mediastinum.
• Pure yolk sac tumor is the most common testicular neoplasm in prepubertal children.
• Almost all the patients with a yolk sac tumor either in pare form or mixed form have a significantly elevated serum
Alpha fetoprotein (AFP).
Alpha feto protein
Placental alkaline phosphatase
Human placental lactogen
CA 125