Endodermal sinus tumor of the ovary. A clinical and pathologic analysis of 71 cases

Robert J Kurman, H. J. Norris

Research output: Contribution to journalArticle

Abstract

The clinical and pathologic features of 71 endodermal sinus tumors of the ovary were studied in an effort to delineate the histogenesis and biologic behavior of this neoplasm and to evaluate the efficacy of different forms of treatment. Alpha fetoprotein (AFP) was identified in hyaline droplets, the cytoplasm, and the intercellular spaces of all 15 tumors examined by an immunoperoxidase technique; this supports the view that the neoplasm simulates yolk sac endoderm. There were only 9 survivors among 65 patients on whom follow up information was available; the actuarial survival was 13% at 3 yr. Of the recurring neoplasms, 93% did so within 1 yr, and of those patients who died, 93% did so within 2 yr. The size and stage of the tumor had prognostic significance, but the patient's age, the mitotic activity, and histologic pattern did not. Although 71% of the patients had Stage I tumors at the time of diagnosis, subclinical metastasis was present in 84% of Stage I patients. Triple chemotherapy (vincristine, actinomycin D, and cyclophosphamide (VAC) employed after unilateral salpingo oophorectomy in 4 patients with Stage I tumors resulted in 3 long term survivals (75%). In contrast, there were only 5 survivors among 27 patients (19%) with Stage I neoplasms treated by surgery alone, and no survivors among 12 Stage I patients treated with combined surgery and radiation. The finding of AFP in all tumors in which this was evaluated suggests that serum radioimmunoassay might be useful to monitor response to therapy.

Original languageEnglish (US)
Pages (from-to)2404-2419
Number of pages16
JournalCancer
Volume38
Issue number6
StatePublished - 1976
Externally publishedYes

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Endodermal Sinus Tumor
Ovary
Neoplasms
Survivors
alpha-Fetoproteins
Yolk Sac
Endoderm
Hyalin
Survival
Extracellular Space
Dactinomycin
Ovariectomy
Vincristine
Immunoenzyme Techniques
Cyclophosphamide
Radioimmunoassay
Cytoplasm
Radiation
Neoplasm Metastasis
Drug Therapy

ASJC Scopus subject areas

  • Cancer Research
  • Oncology

Cite this

Endodermal sinus tumor of the ovary. A clinical and pathologic analysis of 71 cases. / Kurman, Robert J; Norris, H. J.

In: Cancer, Vol. 38, No. 6, 1976, p. 2404-2419.

Research output: Contribution to journalArticle

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