ADENOMATOSIS ORIS

Abstract
A CONSIDERABLE amount of confusion exists concerning an entity which consists of a hyperplasia of mucous glandular tissue of the mucous membrane of the oral cavity, with or without associated inflammatory changes. In 1870, Volkmann described as "cheilitis glandularis apostematosa" or "myxadenitis labialis"1 a supposedly specific form of chronic inflammation of the lower lip. This was characterized as a gradual painless swelling of the lower lip, due to enlargement of the mucous glands, which appeared as a large number of uneven, palpable masses. The excretory ducts were dilated and a thick, purulent secretion could be expressed. This clinical picture suggested multiple, abscess-like lesions with a purulent discharge.1 Diffuse enlargement of the upper and lower lips of "macrocheilia" due to glandular hyperplasia in the absence of associated inflammatory change has been described in numerous reports,* and Conway reviews 129 cases from the literature.8 Microscopic examination

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