小型しゅりゅう影で発見され所属リンパ節にサルコイド様反応を示した粘液産生性細気管支肺胞上皮がんの１例

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  • Small Solitary Mass of Bronchiolo-Alveolar Cell Carcinoma, “Goblet Type”, Associated with Sarcoid Reactions in Regional Lymphnodes

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A 64 year-old man was admitted with a small abnormal mass shadow located in the left peripheral lung field. Transbronchial lung biopsy was done and the pathological diagnosis was bronchioloalveolar cell carcinoma, “goblet type”.<BR>Left upper lobectomy was performed. Sarcoid-like lesions were found in regional lymphnodes. Histologically, the tumor cells appeared to extend along alveolar walls. The cells were high columnar to cuboidar shaped. Marked mucin secretion was found in the alveoli.<BR>Electron microscopic findings: There were numerous apical mucus granules in the tumor cell cytoplasms. The cell-to-cell attatchments were formed by tight junctions, desmosomes and interdigitations.<BR>Scanning electron microscopic findings: Tumor cells proliferated along the alveolar walls and passed through Kohn's pore.

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  • 肺癌

    肺癌 22 (4), 467-474, 1982

    特定非営利活動法人 日本肺癌学会

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