Distension of the Bartholin gland duct caused by an accumulation of mucus in the duct, usually as a result of obstruction of the gland duct orifice. The disease is Bartholin duct cyst (Monarch Disease Ontology term MONDO_0004593). Also known as: Bartholin's cyst, Bartholin's duct cyst, cyst of Bartholin's gland, cyst of Bartholin's gland duct.