Subpleural Intrapulmonary Lymph Node Metastasis from Colorectal Cancer

Yuji Taniguchi, MD,1,2 Tomohiro Haruki, MD,2 Shinji Fujioka, MD,2 Yoshin Adachi, MD,2 Ken Miwa, MD,2 and Hiroshige Nakamura, MD2

A 67-year-old male was admitted to our hospital because of pulmonary metastasis from colo-rectal cancer. Chest computed tomography revealed three tumor shadows just under the pleura. Because the tumors were adjacent to each other, we performed an en bloc pulmonary resection. Pathologically, two of the tumors were diagnosed as pulmonary metastases; the remaining tumor, however, was diagnosed as a subpleural intrapulmonary lymph node (IPLN) metastasis. Metastasis to the IPLN is rare, but when the IPLN is located adjacent to a pulmonary metastasis, as observed in this case, it may be possible. (Ann Thorac Cardiovasc Surg 2009; 15: 250-252)

Key words: subpleural intrapulmonary lymph node, metastasis, colorectal cancer

1Operating Room Division and 2Division of Thoracic Surgery, Tottori University Hospital, Yonago, Japan

Received March 13, 2008; accepted for publication July 31, 2008
Address reprint requests to Yuji Taniguchi, MD: Division of Thoracic Surgery, Tottori University Hospital, 36–1 Nishi-cho, Yonago, Tottori 683–8504, Japan.