A benign or malignant neoplasm that arises from the vulva and is composed of glandular epithelial cells. Representative examples include adenoma of the minor vestibular glands, Bartholin gland adenoma, and Bartholin gland adenocarcinoma. The disease is Monarch Disease Ontology entry MONDO_0002198 (vulvar glandular neoplasm). Also known as: mammalian vulva glandular cell neoplasm, vulvar glandular tumor, vulvar glandular tumour.