Adenomatoid Hyperplasia of Minor Salivary Gland: A Case Involving the Retromolar Area.

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  • SAKASHITA Hideaki
    Department of Dentistry and Oral Surgery, Ishikawa Prefectural Central Hospital
  • MIYATA Masaru
    Department of Dentistry and Oral Surgery, Ishikawa Prefectural Central Hospital
  • MIYAMOTO Hizuru
    Department of Dentistry and Oral Surgery, Ishikawa Prefectural Central Hospital
  • MIYAJI Yuuko
    Department of Dentistry and Oral Surgery, Ishikawa Prefectural Central Hospital
  • KURUMAYA Hiroshi
    Department of Pathology, Ishikawa Prefectural Central Hospital

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  • 臼後部に発生した小唾液腺の腺腫様過形成の１例

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Abstract

Adenomatoid hyperplasia of minor salivary glands is an uncommon clinicopathologic entity first described by Giansanti et al. in 1971. It comprises clinical swelling resembling a neoplasm with a histobahologic picture of aggregates of normal-appearing salivary gland tissue in excess of that anticipated for the anatomic site. The significance of this lesion is derived from its clinical resemblance to a neoplesm of salivary gland origin.<BR>We encountered a 45-year-old male who had a mass in the left retromolar area. Under local anesthesia, the mass was excised and diagnosed histopathlogically as adenomatoid hyperplasia of the minor salivary gland.<BR>Very few reports of this lesion appear in literature, and the total number of well-documented cases is 65 (including this case). Especially, this report was the 7th in Japan and clinical and histopathologic features are analyzed. The exact nature of this lesion is not clear.

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