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Struma salpingis associated with struma ovarii

S A Hoda1, A G Huvos

  • 1Department of Pathology, Memorial Sloan-Kettering Cancer Center, New York, NY 10021.

The American Journal of Surgical Pathology
|November 1, 1993
PubMed
Summary

A rare benign ovarian tumor, struma salpingis (thyroid tissue in the fallopian tube), was incidentally found. This case also involved struma ovarii and a mucinous cystadenoma, highlighting concurrent ectopic thyroid tissue.

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Area of Science:

  • Gynecologic pathology
  • Endocrinology
  • Reproductive medicine

Background:

  • Struma salpingis, a rare benign teratoma composed solely of thyroid tissue within the fallopian tube, is infrequently reported.
  • Understanding the origins of ectopic germ cell tumors is crucial for reproductive health research.

Observation:

  • A 44-year-old woman presented with an incidental 0.2-cm struma salpingis.
  • Concurrent findings included a 0.1-cm struma ovarii (thyroid tissue in the ovary) and a 7.0-cm mucinous cystadenoma in the contralateral ovary.
  • The patient was clinically euthyroid, indicating normal thyroid function despite ectopic thyroid tissue.

Findings:

  • This represents the second documented case of struma salpingis.
  • It is the first reported instance of concurrent struma salpingis and struma ovarii.

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  • The presence of both suggests a potential developmental anomaly related to germ cell migration.

    • Implications:

    • The findings support the hypothesis that struma salpingis originates from germ cells arrested during migration to the genital crest.
    • This case expands the understanding of teratoma formation and the potential for extragonadal germ cell rests.
    • Further research into germ cell migration anomalies may elucidate the pathogenesis of such rare tumors.