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Intracranial embryonal cell carcinoma.

R J Packer, L N Sutton, L B Rorke

    Cancer
    |August 1, 1984
    PubMed
    Summary
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    Intracranial embryonal cell carcinoma (ECC), a rare brain tumor, is more common than previously thought. Current treatments are largely ineffective, highlighting the need for improved diagnostic and therapeutic strategies.

    Area of Science:

    • Pediatric Oncology
    • Neuro-oncology
    • Germ Cell Tumors

    Background:

    • Intracranial embryonal cell carcinoma (ECC) is a rare germ cell tumor primarily affecting the pineal region.
    • Limited data exists regarding the incidence, growth patterns, and treatment response of intracranial ECC.

    Purpose of the Study:

    • To investigate the clinical, radiographic, and histologic features of intracranial ECC in pediatric patients.
    • To evaluate the effectiveness of current treatment modalities for intracranial ECC.
    • To emphasize the diagnostic necessity of biopsy for pineal region tumors.

    Main Methods:

    • Retrospective review of 16 pediatric patients (under 18) with pineal region tumors between 1975 and 1983.
    • Biopsy confirmation of primary intracranial ECC in 5 patients and one suprasellar ECC.

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  • Analysis of clinical, radiographic, and histologic data, contrasted with other pineal neoplasms.

    • Main Results:

    • Six pediatric patients were diagnosed with intracranial ECC (31% of pineal region tumors studied).
    • All patients initially responded to radiation therapy (RT) and/or chemotherapy, but only one survived beyond 1 year.
    • Pathologic confirmation via biopsy is crucial for distinguishing ECC from other intracranial tumors.

    Conclusions:

    • Biopsy is essential for accurate diagnosis of intracranial ECC.
    • Intracranial ECC may be more prevalent than previously recognized.
    • Current treatment protocols for intracranial ECC demonstrate unsatisfactory long-term outcomes, necessitating further research and development.