Congenital Epulis, So-called Leiomyomatous Hamartoma: A Case Report

DOI 3 Citations
  • Seki Akiko
    Department of Pedodontics, School of Dentistry, Niigata University
  • Maeno Hiromi
    Department of Pedodontics, School of Dentistry, Niigata University
  • Tomizawa Mieko
    Department of Pedodontics, School of Dentistry, Niigata University
  • Noda Tadashi
    Department of Pedodontics, School of Dentistry, Niigata University
  • Suzuki Makoto
    Clinical Laboratory, Niigata University Dental Hospital

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  • 先天性エプーリスの1症例上顎歯肉に発生したいわゆる平滑筋腫性過誤腫

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A case of congenital epulis on the maxillary gingiva was found in a 2 year,3month-old Japanese female. Its histopathologic features corresponded to that of the so-called leiomyomatous hamartomas, which occur very rarely in the gingiva.<BR>The findings were as follows:<BR>Intraoral examination revealed a smooth, reddish gingiva-colored mass, attached to the palatal gingiva of the A⊥A region, measuring 8×5×4mm, with a pedicle.<BR>Histopathologically, the lesion manifested the structure of the so-called leiomyomatous hamartoma, consisting of smooth muscle tissue, nerve fiber and muscular vessels. In addition, at the pedicle, there were myxomatous tissue and cartilage-like tissue.<BR>No granular cells were detected.<BR>The mass was excised with periosteal tissue under local anesthesia. The postoperative course was uneventful, and there was no evidence of recurrence after 9months of follow-up.

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