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[Yolk sac tumor (author's transl)]

J Uchino, Y Hata, Y Shinada

    Chirurgie Pediatrique
    |January 1, 1978
    PubMed
    Summary

    Yolk sac tumors, often misdiagnosed as embryonic carcinomas, show AFP level changes correlating with treatment response and recurrence. Despite potential effectiveness of radiotherapy and chemotherapy, prognosis for these rare tumors remains poor, with only one patient achieving good health.

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    Area of Science:

    • Oncology
    • Pathology
    • Biochemistry

    Context:

    • Retrospective analysis of 6 yolk sac tumor cases over 15 years.
    • Cases treated at the first surgical department of the University of Hokkaido.
    • Histopathological and clinical evaluation of tumor characteristics and patient outcomes.

    Purpose:

    • To analyze the clinical and histopathological features of yolk sac tumors.
    • To investigate the role of alpha-fetoprotein (AFP) in monitoring treatment and recurrence.
    • To evaluate the efficacy of current treatment modalities and overall prognosis.

    Summary:

    • Six cases of yolk sac tumors were analyzed, with most initially diagnosed as embryonic carcinomas.
    • Alpha-fetoprotein (AFP) levels, detected via immunofluorescence, correlated with treatment response and tumor recurrence.

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  • Radiotherapy and chemotherapy showed limited efficacy, resulting in a poor prognosis for most patients.

    • Impact:

    • Highlights the diagnostic challenges and poor prognosis associated with yolk sac tumors.
    • Emphasizes the utility of AFP monitoring in managing these rare malignancies.
    • Suggests a need for improved therapeutic strategies for yolk sac tumors.