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Vol.40 No.6 contents | Japanese/English |
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- Case Report -
Giant Atypical Carcinoid Tumor of the Lung
Akihisa Sutani1, Yuichi Nishi1, Makoto Nagata1, Kaoru Kuramitu1, Yoshio Sakamoto1 and Yoshihiko Shimizu2Division of Pulmonology, Second Department of Internal Medicine1, and Second Department of Pathology2, Saitama Medical School
Case: A 52-year-old woman was hospitalized with a solitary mass shadow on chest X-ray film. Chest CT scan showed a 10×10 cm sized tumor in the right upper lobe, compressing superior vena cava. Transbronchial biopsy failed to obtain a definitive diagnosis, then percutaneous needle biopsy was performed. Microscopic examination of a specimen demonstrated tumor cells with mitosis and positive staining for neuron-specific-enolase. From these findings, pathological diagnosis of atypical carcinoid was made. An induction therapy with concurrent chemoradiation was performed, resulting in approximately 80% reduction of tumor size. Thereafter right upper lobectomy was performed, however, remaining of tumor cells was confirmed pathologically in a tissue specimen obtained from parietal pleura. The patient has been in good condition without any signs of recurrence more than 6 months after the operation.
key words: Atypical carcinoid of the lung, Chemotherapy, Radiation therapy
Received: March 31, 2000
Accepted: June 6, 2000
JJLC 40 (6): 629-632, 2000
