Is yolk sac a cancerous tumor?

Is yolk sac a cancerous tumor?

A rare type of cancer that begins in germ cells (cells that form sperm or eggs). Yolk sac tumors occur most often in the ovary or testicle, but they may also occur in other areas of the body, such as the chest, abdomen, or brain.

What is the Cytoogic hallmark of yolk sac tumor?

Alpha-fetoprotein positivity of the neoplastic cells of yolk sac tumor is the most consistent cytologic hallmark of this neoplasm.

How is Sacrococcygeal teratoma treated?

Treatment for SCT involves surgery to remove the tumor. Depending on the diagnosis and severity of your child’s SCT, they may undergo fetal surgery to remove the SCT before birth, or they may have tumor resection surgery after they’re born.

How is Sacrococcygeal teratoma diagnosed?

How is sacrococcygeal teratoma diagnosed? A sacrococcygeal tumor is usually diagnosed during pregnancy by a highly specialized prenatal ultrasound. You may be referred to a doctor who specializes in this kind of an ultrasound if the levels of alpha-fetoprotein (AFP) in your blood are high.

Is yolk sac tumors curable?

Yolk sac tumors can be cured if treated in the early stages. Patients need to be able to do self-examination and need to be educated about the successful management of the early disease.

How is yolk sac tumor diagnosed?

Yolk sac tumor is an uncommon malignant germ cell tumor that grows in a confusing variety of histologic patterns. Immunohistochemical staining can help establish the diagnosis. The most useful stain is for α-fetoprotein, as positive staining for AFP is a characteristic of yolk sac tumor (Fig. 18.42).

Can a yolk sac tumor arise from a mature cystic teratoma?

Final Diagnosis — Yolk sac tumor. FINAL DIAGNOSIS: Yolk sac tumor arising in association with mature cystic teratoma (dermoid cyst). DISCUSSION: Yolk sac tumor (also known as endodermal sinus tumor) of the ovary is a malignant germ cell neoplasm.