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Meconium hydrocele: an unusual etiology of a scrotal mass in the newborn
K S Ring1, S L Axelrod, K A Burbige
1Department of Urology, Babies Hospital, New York, New York.
Abstract:
The in utero leakage of meconium from the gastrointestinal tract into the peritoneal cavity results in the clinical entity known as meconium peritonitis. A patent processus vaginalis in the male fetus may lead to the migration of meconium into the scrotum, and these infants can present with soft meconium-filled hydroceles at birth. Local tissue reaction during the first several weeks of life results in calcification of these hydroceles into hard tumor-like lesions that may mimic testicular neoplasia. We report an atypical case of meconium hydrocele in a newborn.
Insights
Meconium hydrocele, a rare newborn condition, occurs when fetal meconium leaks into the scrotum. Calcification can mimic testicular tumors, requiring careful diagnosis.
Area of Science:
- Neonatal surgery
- Pediatric pathology
- Fetal development
Background:
- Meconium peritonitis arises from in utero gastrointestinal leakage.
- A patent processus vaginalis can cause fetal scrotal meconium migration.
Observation:
- Newborns may present with soft, meconium-filled hydroceles.
- These lesions calcify into hard, tumor-like masses within weeks.
Findings:
- This case highlights an atypical presentation of meconium hydrocele.
- Calcified meconium hydroceles can mimic testicular neoplasia.
Implications:
- Early recognition is crucial to avoid misdiagnosis of testicular cancer.
- Understanding this condition aids in appropriate pediatric surgical management.

