Journal of Pathology and Translational Medicine

Case Reports

Chordoid Glioma: A Case Report.: Jang Hee Kim, Jae Ho Han, Chull Shim; Korean J Pathol. 2002;36(1):66-69.

Abstract PDF: The chordoid glioma is a recently recognized rare neoplasm of the third ventricle and hypothalamus and, as the name implies, has a chordoid appearance. Using histological, immunohistochemical and ultrastructural studies, we report a case of a 32-year-old man with a chordoid glioma in the third ventricle. Magnetic resonance T1-weighted images of the brain with homogenous contrast enhancement revealed a well circumscribed, isointense mass occupying the third ventricle. Histologically, the tumor showed cords and clusters of epithelioid cells within a mucinous background along with lymphoplasmacytic infiltrate, and appeared to be reminiscent of a chordoma or chordoid meningioma. Immunohistochemically, the tumor cells were immunoreactive for glial fibrillary acidic protein, vimentin and CD34 but negative for epithelial membrane antigen. Ultrastructural study revealed round to spindle shaped cells with abundant cytoplasmic intermediate filaments and cytoplasmic zonation.

Mixed Germ Cell Tumor in Third Ventricle: A report of case.: Ki Hwa Yang, Sung Dae Jin, Eun Jung Lee, Kyo Young Lee, Seok Jin Gang, Byoung Kee Kim, Sun Moo Kim; Korean J Pathol. 1988;22(1):118-122.

Abstract PDF: Primary mixed germ cell tumor is a very rare tumor in the cranial cavity. It is composed of varying combination of germ cell neoplasms, such as germinoma, embryonal carcinoma, choriocarcinoma and teratoma. The authors experienced a case of mixed germ cell tumor developing in the floor of the third ventricle, in a twelve years old boy. He was admitted to the hospital, because of headache, eyeball pain, diplopia and vomiting. Brain CAT scan revealed a round tumor density in the floor of the third ventricle. Tumor marker study, preoperatively checked, revealed beta-HCG, 439.8 mIU/ml and alpha-fetoprotein, under 20 ng/ml. On operation, there was a dark brown firm mass up to 3.0 cm in the third ventricle, that invaded into the foramen Monro. With microscopic examination, this tumor is composed chiefly of germinoma, with embryonal carcinomatous region, choriocarcinomatous region and focal mature teratomatous region. The authors diagnosed this case as mixed germ cell tumor.

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