“…Congenital perineal groove is characterized by an exposed, erythematous, nonepithelized mucous membrane resembling an exposed wet erythematous sulcus, inflammation, or rupture of the midperi- Kadowaki et al, 1983 midperineum between the fourchette and the anus, normal formation of the vestibule including the urethra and vagina, and hypertrophy of the minoral tails that skirt the perineum and course posterior to join at the anus or surround it. 3 Fewer than 25 cases have been described in the medical literature 1,2,[4][5][6][7][8][9][10][11][12][13][14][15][16] (Table 1). Congenital perineal groove may be associated with other urogenital anomalies, such as anorectal malformations, prolapsed anus, or urinary tract malformations, and although some authors advocate inclusion of this condition in the wide spectrum of anorectal malformations, most cases are isolated, without associated anomalies.…”