• Internal medicine · Mar 2023

    Review Case Reports

    Mixed Germ Cell Tumor with a Yolk Sac Tumor Component in the Medulla Oblongata of a 50-year-old Patient: A Case Report and Literature Review.

    • Taiki Isaji, Kenichiro Iwami, Fuminori Ato, Tadashi Watanabe, Emiko Takahashi, and Shigeru Miyachi.
    • Department of Neurosurgery, Aichi Medical University, Japan.
    • Intern. Med. 2023 Mar 15; 62 (6): 915921915-921.

    AbstractYolk sac tumor (YST) is a rare primary brain tumor that occurs almost exclusively in patients under 30 years old. Intracranial germ cell tumors are most frequently located in the pineal and suprasellar region. Medulla oblongata YSTs are particularly rare. Extragonadal YSTs may be difficult to diagnose because of their characteristics, such as the rarity and variety of growth patterns. Furthermore, they are known to have a very poor prognosis. We herein report a case of YST of the medulla oblongata in a 50-year-old woman. She was followed up for 18 months without any tumor recurrence.

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