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Updated: Mar 9, 2026

A Coregistered Ultrasound and Photoacoustic Imaging Protocol for the Transvaginal Imaging of Ovarian Lesions
Published on: March 3, 2023
Neonatal ovarian cysts: ultrasound assessment and differential diagnosis
R Llorens Salvador1, C Sangüesa Nebot1, A Pacheco Usmayo1
1Área de Imagen Médica, Sección de Imagen Pediátrica, Hospital Universitario y Politécnico La Fe, Valencia, España.
Insights
Neonatal ovarian cysts are common in female newborns. While most resolve spontaneously, this review details their ultrasound findings, complications, and management strategies.
Area of Science:
- Pediatric Radiology
- Fetal and Neonatal Medicine
Background:
- Neonatal ovarian cysts are the most frequent abdominal cysts in female fetuses and newborns.
- Ultrasonography is crucial for diagnosis and differentiating cysts from other lesions.
Purpose of the Study:
- To describe the ultrasonographic presentations of neonatal ovarian cysts and their complications.
- To discuss differential diagnoses and current management trends for neonatal ovarian cysts.
Main Methods:
- Review of ultrasonographic findings in neonatal ovarian cysts.
- Analysis of cyst presentations, complications, and imaging patterns.
- Discussion of differential diagnoses and therapeutic options.
Main Results:
- Ultrasonography effectively differentiates ovarian cysts from other cystic abdominal lesions.
- Complications of ovarian cysts can alter their ultrasonographic appearance.
- Most neonatal ovarian cysts undergo spontaneous regression.
Conclusions:
- Ultrasonography is key for diagnosing and characterizing neonatal ovarian cysts.
- While most cysts resolve, awareness of potential complications and differential diagnoses is essential.
- Watchful waiting is the prevailing management approach, though controversial.
Abstract:
Ovarian cysts are the most common abdominal cysts in female fetuses and newborn girls. Ultrasonography is the imaging technique of choice for diagnosing ovarian cysts because it makes it possible to differentiate them from other cystic lesions. Although most neonatal ovarian cysts regress in the first few months after birth, complications can occur during gestation or after birth. The manifestations of ovarian cysts on ultrasonography will depend on the complications. The management is controversial, although the current trend favors watchful waiting. We describe the different presentations of neonatal ovarian cysts with their complications and their patterns of findings on ultrasonography. We also discuss the differential diagnosis with other cystic abdominal lesions, and finally we discuss the therapeutic management of neonatal ovarian cysts.
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