Ectopic breast tissue at the anal verge—an unusual finding

Breast at back passage-neonatal central perineal accessory breast at the site of an imperforate anus

“…To the best of our knowledge, this is the first case of accessory breast tissue arising at the anus, an imperforate anus simulating hamartoma. There are two earlier reports of it presenting as anal polyp and mass at the anal verge 1 2. Mammary or milk line appears at 6 weeks of embryonic life from axillae and converge down in the perineum3 and condenses in the form of a mammary ridge at 2–3 months gestation from which supernumerary nipple or breast develops (figure 1B).…”