Läkartidningen
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Perineal groove is a congenital malformation characterized by a red and wet groove in the perineum between the fourchette and the anus. It has been considered a rare malformation. We managed three patients with a perineal groove from July 1 2002 to July 1 2003. ⋯ The anomaly requires no treatment. However, in one of our cases an associated anomaly of the urinary tract was found. We find it indicated to do an ultrasound of the urinary tract in patients with perineal groove.