Pulmonary inflammatory pseudotumor observed by bronchoscopy and resected using video-assisted thoracic surgery

被引:11
作者
Nakamura Y. [1 ]
Iwazaki M. [4 ]
Watanabe R. [2 ]
Isono H. [2 ]
Masuda R. [4 ]
Sato T. [3 ]
Miyamoto M. [2 ]
Shimada A. [1 ]
机构
[1] Department of Surgery, Keiyu Hospital, Nishi-ku, Yokohama Kanagawa 220-0012
[2] Department of Internal Medicine, Keiyu Hospital, Nishi-ku, Yokohama Kanagawa 220-0012
[3] Department of Pathology, Keiyu Hospital, Nishi-ku, Yokohama Kanagawa 220-0012
[4] Division of Thoracic Surgery, Department of Surgery, Tokai University School of Medicine, Isehara Kanagawa
关键词
Bronchoscopy; Inflammatory pseudotumor; Video-assisted thoracic surgery;
D O I
10.1007/s11748-012-0126-z
中图分类号
学科分类号
摘要
Pulmonary inflammatory pseudotumor is rare. A 34-year-old woman visited our hospital due to an abnormal chest shadow. Computed tomograhy showed a nodule in the right upper lobe. Bronchoscopy showed a polypoid endobronchial nodule obstructing most of the orifice of B2a. The nodule was white, glossy, and smooth, and it seemed to be covered with bronchial mucosa. However, transbronchial biopsy could not facilitate a diagnosis. To obtain a definitive diagnosis, we performed lobectomy of the right upper lobe using video-assisted thoracic surgery and removed the nodule completely. The pathologic diagnosis made during surgery was inflammatory pseudotumor. Immunohistochemical examination showed proliferating spindle cells were positive for vimentin and smooth muscle actin, but negative for epithelial markers. These findings were consistent with the staining pattern of inflammatory pseudotumor previously reported. Careful follow-up is necessary to detect any sign of local recurrence and distant metastases. © 2012 The Japanese Association for Thoracic Surgery.
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页码:234 / 237
页数:3
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