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Newborn with a genital cystic lesion
  1. Mafalda Cascais1,2,
  2. Patrícia Miranda1,2,
  3. Diana Coimbra3,
  4. Joaquim Tiago2,
  5. Raquel Henriques2 and
  6. Rosa Ramalho2
  1. 1Department of Pediatrics, Centro Hospitalar de Leiria, Hospital de Santo André, Leiria, Portugal
  2. 2Department of Neonatology, Maternidade Dr. Daniel de Matos, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
  3. 3Department of Pediatric Surgery, Hospital Pediátrico de Coimbra, Centro Hospitalar e Universitário de Coimbra, Coimbra, Portugal
  1. Correspondence to Dr Mafalda Cascais; mafalda_m_c{at}hotmail.com

Abstract

Interlabial cysts in the newborn are rare findings and distinct entities are included in the differential diagnosis. Simple hymenal cysts are one of the most commonly reported and spontaneous regression frequently occurs. We report a case of a newborn with an introital cyst arising from the hymen.

  • neonatal
  • hymenal cyst

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A full-term female newborn presented a yellowish, 10×15 mm cyst protruding from the vaginal introitus and attached to the hymen (figure 1); the urethral meatus had a normal position, anterior to the cyst, and a normal voiding pattern was observed. The remaining physical examination was normal. A diagnosis of hymenal cyst (HC) was evoked and an expectant approach was taken. HC progressively decreased in size throughout 6 weeks.

Figure 1

Hymenal cyst protruding from the vaginal introitus.

This benign congenital lesion is a rare finding.1 2 Interlabial cysts are reported in 1:1000–1:7000 of newborn girls, mostly simple HC and paraurethral gland cysts.3 The etiology is uncertain.1 HCs present as thin-walled, golden/whitish lesions attached to the hymen, posteriorly to urethral meatus, and usually do not course with bleeding or urine flow obstruction.3 Spontaneous regression of HC frequently occurs within a few weeks after birth3 and conservative management is advised.2 3 Differential diagnoses of HC include genital or urethral prolapse, urethral polyp, paraurethral cyst, Gartner’s duct cyst, prolapsed ectopic ureterocele, hydrometrocolpos and botryoid rhabdomyosarcoma.1–3

References

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Footnotes

  • Contributors MC contributed to conception and design, contributed to acquisition, analysis and interpretation of data, drafted the manuscript and critically revised the manuscript for important intellectual content. PM, DC, RH, JT, and RR contributed to acquisition, analysis and interpretation of data and critically revised the manuscript for important intellectual content. All authors gave final approval.

  • Funding The authors have not declared a specific grant for this research from any funding agency in the public, commercial or not-for-profit sectors.

  • Competing interests None declared.

  • Patient consent for publication Parental/guardian consent obtained.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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