上唇に発生した粘液腺癌の1例 A case of mucinous adenocarcinoma of the upper lip

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著者

    • 重松 久夫 SHIGEMATSU Hisao
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学第2分野 2nd Division of Oral & Maxillofacial Surgery, Department of Diagnostic & Therapeutic Sciences, Meikai University, School of Dentistry
    • 南 弘子 MINAMI Hiroko
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学第2分野 2nd Division of Oral & Maxillofacial Surgery, Department of Diagnostic & Therapeutic Sciences, Meikai University, School of Dentistry
    • 田中 章夫 [他] TANAKA Akio
    • 明海大学歯学部病態診断治療学講座病理学分野 Division of Pathology, Department of Diagnostic & Therapeutic Sciences Meikai University, School of Dentistry
    • 鈴木 正二 SUZUKI Seiji
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学第2分野 2nd Division of Oral & Maxillofacial Surgery, Department of Diagnostic & Therapeutic Sciences, Meikai University, School of Dentistry
    • 草間 薫 KUSAMA Kaoru
    • 明海大学歯学部病態診断治療学講座病理学分野 Division of Pathology, Department of Diagnostic & Therapeutic Sciences Meikai University, School of Dentistry
    • 坂下 英明 SAKASHITA Hideaki
    • 明海大学歯学部病態診断治療学講座口腔顎顔面外科学第2分野 2nd Division of Oral & Maxillofacial Surgery, Department of Diagnostic & Therapeutic Sciences, Meikai University, School of Dentistry

抄録

Mucinous adenocarcinoma is a rare malignant neoplasm characterized by a large amount of extracellular epithelial mucin. In the present report, an extremely rare case of a mucinous adenocarcinoma in a minor salivary gland of the upper lip is described, along with a brief discussion. A 82-year-old woman was referred to our department because of a swelling on the left side of the upper lip on May 20, 2004. She noticed the swelling in September 2003. Physical examination revealed a painless nodule, measuringl4×12mm, on the mucosal side of the lip. The nodule felt elastic, firm, and movable. The skin was intact, without tumor invasion. There was no lymphadenopathy palpable in cervical region. Ultrasonography revealed a homogenous hypoechoic tumor with an illdefined margin. On the basis of these findings, a clinical diagnosis of a tumor in the upper lip was made, and excisional biopsy was performed on June 3, 2004. Histopathological examination showed a malignant neoplasm with characteristics indicating mucin production. A metastatic tumor was thus suspected. Therefore, the patient was examined by taking a detailed history and performing radiography and scintigraphy. However, no malignancy was detected in any other organs. Because subsequent histopathological examination revealed signs of residual tumor cells at the resection margin, additional excision of the tumor and skin was planned under general anesthesia. The postoperative course was uneventful. Histopathologically, the tumor was composed of glandular neoplastic cells that produced a large amount of mucin. Nests, cords, sheets, and clusters of neoplastic cells were found floating in mucin pools separated by fibrous connective tissue bands. The final diagnosis was a mucinous adenocarcinoma of the upper lip.

収録刊行物

  • 日本口腔外科学会雑誌  

    日本口腔外科学会雑誌 53(3), 174-178, 2007-03-20 

    Japanese Society of Oral and Maxillofacial Surgeons

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各種コード

  • NII論文ID(NAID)
    10018858251
  • NII書誌ID(NCID)
    AN00189163
  • 本文言語コード
    JPN
  • 資料種別
    NOT
  • ISSN
    00215163
  • NDL 記事登録ID
    8754931
  • NDL 雑誌分類
    ZS44(科学技術--医学--歯科学・口腔外科学)
  • NDL 請求記号
    Z19-145
  • データ提供元
    CJP書誌  CJP引用  NDL  J-STAGE 
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