郭清頸部リンパ節の病理診断にて3種の悪性疾患を認めた1例

DOI Web Site 参考文献1件
  • 原田 博之
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 篠原 尚吾
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 藤原 敬三
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 菊地 正弘
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 金沢 佑治
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 十名 理紗
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 岸本 逸平
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科
  • 内藤 泰
    神戸市立医療センター中央市民病院耳鼻咽喉科・頭頸部外科

書誌事項

タイトル別名
  • A Case of Triple Collision Malignancies in Cervical Lymph Nodes
  • 臨床 郭清頸部リンパ節の病理診断にて3種の悪性疾患を認めた1例
  • リンショウ カクセイ ケイブ リンパセツ ノ ビョウリ シンダン ニテ 3シュ ノ アクセイ シッカン オ ミトメタ 1レイ

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抄録

Collision tumors are rare entities that consist of multiple neoplasms of distinct origin found in a single anatomic location. Several papers have mentioned collision tumors with two different malignancies in the head and neck. We report herein on a case with triple collision tumors in pathological neck dissection-lymph nodes. A 58-year-old male underwent a total laryngectomy and bilateral neck dissection under the diagnosis of supraglottic squamous cell carcinoma cT4aN2cM0. The dissection of the central compartment (level VI) with subtotal thyroidectomy was simultaneously undertaken due to the subglottic extension of the primary tumor. Histopathological examination revealed metastases of papillary thyroid carcinoma in the right lymph nodes, level III to V, in the left at level II, III and VI as well as metastases of squamous cell carcinomas in the right and left at level III and level II, respectively. Moreover small lymphocytic lymphoma cells were found to have infiltrated the lymph nodes bilaterally at level II to IV. Histology of the right level III, specimen revealed that these 3 kinds of tumor had collided in one lymph node. Multiple micropapillary carcinomas (4 mm maximum diameter) were also detected in the resected thyroid specimen. After the pathological report, we reviewed the preoperative FDG-PET/CT and found that only the existence of SCC showed an high accumulation of FDG on PET/CT. Considering the prognoses of each malignancy, postoperative radiation for squamous cell carcinoma was performed because lymphovascular invasions were pathologically seen at the primary site. It was decided to place the thyroid cancer and small lymphocytic lymphoma under observation without additional therapeutic intervention because the former was considered to be an incidental microcarcinoma and the latter was an indolent type lymphoma.<br> To our knowledge, this is the first reported case of triple collision tumors in one cervical lymph node.<br>

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