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Luteoma-induced fetal virilization.

Hiromi Ugaki¹, Takayuki Enomoto, Yoshihiro Tokugawa

¹Department of Obstetrics and Gynecology, Osaka University, Graduate School of Medicine, Osaka, Japan. hirohiromimi@hotmail.com

The Journal of Obstetrics and Gynaecology Research

|February 13, 2010

Summary

Pregnancy luteomas, a rare ovarian response to hormonal changes, can cause tumor-like enlargement. In a unique case, an ovarian luteoma led to fetal virilization, evidenced by clitoromegaly in the infant and elevated maternal testosterone.

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Area of Science:

Reproductive Endocrinology
Gynecologic Pathology

Background:

Pregnancy luteomas are rare, benign ovarian lesions arising from stromal cell luteinization due to pregnancy hormones.
These lesions can cause significant ovarian enlargement, often discovered incidentally during cesarean sections or postpartum procedures.

Observation:

A case is presented where a pregnancy luteoma was incidentally discovered during a cesarean section.
The infant born via cesarean section exhibited signs of virilization, including clitoromegaly and labial fusion.

Findings:

Elevated maternal serum testosterone levels were detected.
The findings suggest a direct correlation between the maternal ovarian luteoma and the observed fetal virilization.

Implications:

This case highlights a potential, albeit rare, cause of fetal virilization linked to maternal hormonal changes during pregnancy.
Understanding this association is crucial for accurate diagnosis and management of both maternal and neonatal conditions.
Further research may elucidate the precise mechanisms by which luteomas influence fetal development.