primary intracranial embryonal carcinoma

Microscopic pathology

• cells of primitive epithelial appearance
• variable patterns - solid, poorly formed glands
• mitotically active
• focal necrosis

Immunophenotype

• cytokeratin +
• placental alkaline phosphatase +
• alpha-fetoprotein -
• human chorionic gonadotropin -
• human placental lactogen -

More general terms

• primary intracranial germ cell neoplasm
• embryonal carcinoma