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Interlabial mass in a neonate with paraurethral cyst 
 
Interlabial mass in a neonate with paraurethral cyst
  Min-Hua Tseng, Shih-Hua Lin
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A 3-day-old female neonate presented with an interlabial mass after birth. Irritable crying on voiding occurred at the age of 2 days. Physical examination showed a soft, reddish, ovoid cystic mass, approximately 10 mm in diameter. It was located between the introitus and the anterior wall of distal vagina and obscured the urethral meatus (Fig. 1). Vaginal patency was verifi ed. Sonograpy showed bilateral hydronephrosis. Local aspiration followed by intracystic contrast injection led to the diagnosis of a paraurethral cyst (Fig. 2). After the aspiration, the cyst disappeared and the urethral meatus became visible with the resolution of bilateral hydronephrosis. The neonate remains asymptomatic and the cyst does not recur in a 3-year follow-up.
 
Paraurethral cysts are characterized by the obstruction of the glandular ducts or the cystic degeneration of embryonic remnants of the paraurethral gland and duct.[1] Differential diagnoses are hydrocolpos, botyroid rhabdomyosarcoma of the vagina, prolapsed urethra, ureterocele, urethral diverticulum, and paraurethral cyst.[2] Needle aspiration followed by contrast radiography provides a simple and practical diagnosis and obviates the unnecessary uroradiologic examinations for complicated urethral obstruction. Treatment modalities vary from observation to surgery according to the clinical presentation of cysts.[3,4]
 
Funding: None.
Ethical approval: The consent to report this case has been obtained from the parents of the patient.
Competing interest: None.
Contributors: Tseng MH interpreted clinical data, and drafted the article. Lin SH provided intellectual input of critical importance to the work and revised the article.
 
References
1 Cohen HJ, Klein MD, Laver MB. Cysts of the vagina in the newborn infant. AMA J Dis Child 1957;94;322-324.
2 Badalyan V, Burgula S, Schwartz RH. Congenital paraurethral cysts in two newborn girls: differential diagnosis, management strategies, and spontaneous resolution. J Pediatr Adolesc Gynecol 2012;25:e1-e4.
3 Ceylan H, Ozokutan BH, Karakök M, Buyukbese S. Paraurethral cyst: is conservative management always appropriate? Eur J Pediatr Surg 2002;12:212-214.
4 Phupong V, Aribarg A. Management of Skene¡¯s duct cysts in newborn girls. BJU Int 2000;86:562.
 
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World Journal of Pediatric Surgery

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