“…Given such rarity, it may be an easily missed diagnosis. Risk factors include advanced age, post-menopausal status, uterine tumors, radiation cervicitis, atrophic cervicitis, and prior intrauterine device (IUD) use [[1], [2], [3], [4], [5], [6], [7], [8], [9], [10]]. Pyometra due to colouterine fistula has also been reported in some prior cases [6].…”