Primary Intracranial Choriocarcinoma: A Report of Two Cases and a Review of the Literature

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Abstract
Among 848 cases of primary intracranial malignancy seen during a 63-year period at a pediatric hospital, there were 2 cases of primary pineal choriocarcinoma. The clinical and laboratory findings of these 2 cases were similar to those of 33 cases of intracranial choriocarcinoma reported in the literature. In 1 patient with precocious puberty, the diagnosis was confirmed by labeling human chorionic gonadotropin (HCG) within the tumor, which had been stored for 25 years. In the other patient, who is alive and well 18 months after diagnosis, the response to cranial irradiation and intensive chemotherapy was monitored with serial measurements of serum, cerebrospinal fluid, and urinary HCG and with computed tomography. We conclude that intensive chemotherapy, radiation, and tumor resection, if feasible, offer the best chance of curing this otherwise fatal disease.

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