顎下腺に生じ, 弾性線維を形成した基底細胞腺腫の1生検例

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タイトル別名
  • A CASE REPORT OF BASAL CELL ADENOMA SHOWING ELASTIC FIBER (ELASTIN-BASEMENT MEMBRANE COMPLEX) PRODUCTION OF THE SUBMANDIBULAR GRAND
  • ガッカセン ニ ショウジ ダンセイ センイ オ ケイセイシタ キテイ サイボウ

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A biopsy case of basal cell adenoma of the left submandibular gland was reported in a 15 years-old boy.<BR>The tumor was pigeon egg-sized, spherical in shape, and encapsulated by a fibrous capsule. Its cut surface was milk-white. Histologic picture of the tumor was a trabecular or tubular monomorphic adenoma with well developed elastic fibers in the interstitial tissue.<BR>Electron microscopy revealed 4 kinds of tumor cells, that is, squamous cell-like cells with tonofilaments, cells with a few filaments, secreting cells, and myoepithelial-like cells and moreover elastin, collagen fibrils and basement membrane-like substance in the interstitium. Possible production of the elastin by the myoepithelial-like cells of this tumor was discussed.

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