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LETTER TO EDITOR
Year : 2022  |  Volume : 23  |  Issue : 1  |  Page : 92

Perineal groove: A rare congenital midline defect of perineum


1 Department of Pediatrics, All India Institute of Medical Sciences (AIIMS), Mangalagiri, Vijayawada, Andhra Pradesh, India
2 Department of Obstetrics and Gynecology, All India Institute of Medical Sciences (AIIMS), Mangalagiri, Vijayawada, Andhra Pradesh, India

Date of Submission10-Jul-2021
Date of Acceptance10-Nov-2021
Date of Web Publication31-Dec-2021

Correspondence Address:
Thirunavukkarasu Arun Babu
Departments of Pediatrics, All India Institute of Medical Sciences (AIIMS), Mangalagiri, Vijayawada, Andhra Pradesh
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/ijpd.ijpd_108_21

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How to cite this article:
Babu TA, Sharmila V. Perineal groove: A rare congenital midline defect of perineum. Indian J Paediatr Dermatol 2022;23:92

How to cite this URL:
Babu TA, Sharmila V. Perineal groove: A rare congenital midline defect of perineum. Indian J Paediatr Dermatol [serial online] 2022 [cited 2022 Jan 16];23:92. Available from: https://www.ijpd.in/text.asp?2022/23/1/92/334661



Sir,

A term, female infant with birth weight of 3.1 kg born to primigravida mother presented with abnormal-looking external genitalia. Mother was booked, immunized, had normal dating and anomaly scans with an uneventful antenatal period. Infant was completely asymptomatic, active, feeding well and had normal bowel and bladder function. Local examination revealed the presence of external midline mucosal connectivity between vaginal and anal orifice [Figure 1]. The defect was noted to extend into the perineum vertically downward in the midline from 6 o'clock position of the vaginal fourchette toward the anal rim. There were no other associated anomalies. Based on the morphological appearance, the lesion was diagnosed as Perineal groove (PG). Parents were reassured and the infant is currently on follow-up.
Figure 1: External genitalia showing the presence of external midline mucosal connectivity between vaginal and anal orifice suggestive of PB (black arrow)

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PG is an unusual congenital perineal malformation of unknown etiology characterized by a wet sulcus lined with nonkeratinized mucous membrane extending from the posterior vaginal fourchette to the anterior aspect of anal opening.[1] This is a relatively unknown entity that is often missed or misdiagnosed as ambiguous genitalia, contact dermatitis, anal fissure, anorectal malformation, traumatic laceration, and sexual abuse.[2],[3] This condition is typically asymptomatic and self-limiting within 2 years of age.[2] Complications such as local irritation, pain, local infection, urinary tract infection, and constipation have been reported. Persistence beyond 2 years of life or local complications often require surgical correction.[3] Recognition of PG at birth is important for giving appropriate parental counselling and follow-up.

Financial support and sponsorship

Nil.

Conflicts of interest

There are no conflicts of interest.



 
  References Top

1.
Harsono M, Pourcyrous M. Perineal groove: A rare congenital midline defect of perineum. AJP Rep 2016;6:e30-2.  Back to cited text no. 1
    
2.
Garcia-Palacios M, Mendez-Gallart R, Cortizo-Vazquez J, Rodriguez-Barca P, Estevez-Martinez E, Bautista-Casasnovas A. Perineal groove in female infants: A case series and literature review. Pediatr Dermatol 2017;34:677-80.  Back to cited text no. 2
    
3.
Samuk I, Amerstorfer EE, Fanjul M, Iacobelli BD, Lisi G, Midrio P, et al. Perineal groove: An anorectal malformation network, consortium study. J Pediatr 2020;222:207-12.  Back to cited text no. 3
    


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