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Na, Yoon, Lee, and Kwon: A Case of Endobronchial Carcinoid Tumor Treated by Flexible Bronchoscopic Resection
Case Report
Tuberculosis and Respiratory Diseases

Tuberculosis and Respiratory Diseases 2011; 70(6): 516-520.

Published online: 30 June 2011

DOI: https://doi.org/10.4046/trd.2011.70.6.516

A Case of Endobronchial Carcinoid Tumor Treated by Flexible Bronchoscopic Resection

Yong Sub Na, M.D., Sung Ho Yoon, M.D., Seung Il Lee, M.D., Yong Eun Kwon, M.D.

Department of Internal Medicine, Chosun University College of Medicine, Gwangju, Korea.

Address for correspondence: Yong Eun Kwon, M.D. Department of Internal Medicine, Chosun University Hospital, Chosun University College of Medicine, 588, Seoseok-dong, Dong-gu, Gwangju 501-717, Korea. Phone: 82-62-220-3691, Fax: 82-62-220-3691, allergist@chosun.co.kr

Received 5 April 2011       Accepted 7 May 2011

Copyright © 2011. The Korean Academy of Tuberculosis and Respiratory Diseases. All rights reserved.

Abstract

Bronchial carcinoid tumor accounts for less than 5% of all primary lung tumors in adults. Although surgical resection is the treatment of choice, here we report a case of bronchial carcinoid tumor treated with flexible bronchoscopic resection. A 19-year-old-man presented with a history of wheezing with dyspnea for six months. A simple chest x-ray showed no abnormal findings, but a pulmonary function test showed a moderate obstructive lung disease pattern without a bronchodilator response. A computed tomogram of the thorax revealed an enhanced 15×12 mm nodule in the left main bronchus. Bronchoscopic examination showed a polypoid mass with a stalk in the left main bronchus, which almost completely occluded the left main bronchus. Histopathology of the resected specimen revealed a bronchial carcinoid tumor. We treated the carcinoid tumor with a flexible bronchoscopic resection. During the follow up period of 6 months, the previous tumor didn't relapse. Initial bronchoscopic resection should be considered when bronchial carcinoid tumor can be approached by bronchoscopy.

Keywords: Carcinoid Tumor, therapy, Bronchoscopy, Bronchoscopic Surgical Procedures

Figures and Tables

Figure 1
(A) Enhanced CT scan of thorax show a round, well defined, endobronchial mass in the left main bronchus. (B) Enhanced CT scan of thorax show a round, well defined, endobronchial mass in the left main bronchus. CT: computed tomography.
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Figure 2
(A) Bronchoscopic finding in the left main bronchus show a smooth, rounded, reddish pedunculated mass. (B) After pedunculated mass resected by bronchoscopy, base of tumor showed irregular surface, and then laser cauterization has be done.
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Figure 3
(A) Tumor cells show group in a glandular configuration. Nuclei of the tumor cells are round and uniform without mitosis or necrosis (H&E stain ×400). Synaptophysin positive (B, ×100) & chromogranin A positive on immunohistochemical staining (C, ×100).
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Figure 4
After bronchoscopic resection, 6-month follow-up thorax CT (A) and bronchoscopy (B) findings show no evidence of recurrence of endobronchial carcinoid tumor.
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