Brain Tumors Are Either Malignant or Benign,depending on the Cell

Multiple Choice

Brain tumors are either malignant or benign,depending on the cell type.Primary tumors generally do not resemble the carcinomas and sarcomas found elsewhere in the body and rarely metastasize outside the CNS.Select the tumor that has been identified as an extremely rare and very malignant neoplasm.

A) Germinoma
B) Teratoma
C) Meningioma
D) Choriocarcinoma