The cavitated accessory uterine mass: a Müllerian anomaly in women with an otherwise normal uterus.

OBJECTIVE:To present clinical cases of women who had an accessory and cavitated noncommunicating uterine mass with functioning endometrium associated with a normal uterus, suggestive of a new type of Mullerian anomaly.METHODS:We report on five institutional cases: four cases of cavitated accessory u