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  • Title: Recurrent intracranial germinoma along the endoscopic ventriculostomy tract. Case report.
    Author: Choi UK, Cha SH, Song GS, Choi CH, Lee SW, Lim YT, Kim WT.
    Journal: J Neurosurg; 2007 Jul; 107(1 Suppl):62-5. PubMed ID: 17644923.
    Abstract:
    The authors report a case of a recurrent intracranial germinoma along the site of an endoscopic third ventriculostomy (ETV) after complete local tumor control using 3D conformal radiation therapy. A 13-year-old girl presented with sudden left upward gaze limitation for 4 days. A pineal region tumor and obstructive hydrocephalus were noted on magnetic resonance (MR) images. An ETV and tumor biopsy procedure were performed, which revealed the lesion to be a germinoma. The patient's visual symptoms and hydrocephalus disappeared postoperatively. Chemotherapy using cisplatin, etoposide, vincristine, and cyclophosphamide was initiated on postoperative Day 10. An MR image obtained 10 weeks after surgery and 2 weeks after chemotherapy revealed a significant (> 50%) reduction of the lesion. Radiation therapy was administered at 50.4 Gy to the target and 36 Gy to the periphery. Ten months after surgery, an MR image revealed further shrinkage of the tumor mass. One year after surgery, follow-up MR imaging demonstrated a small mass lesion at the entry site of the ETV, measuring 1.0 x 1.4 x 1.5 cm. An operation was performed to remove the small lesion, and pathological findings revealed it to be of the same histology as the primary tumor.
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