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기관지 유암종에 대한 임상적 연구 - 후두 및 기관 유암종을 포함해서 -
이홍렬 ( Lee Hong Lyeol ),권선옥 ( Kwon Seon Og ),김세규 ( Kim Se Gyu ),김형중 ( Kim Hyeong Jung ),장준 ( Jang Jun ),안철민 ( An Cheol Min ),홍천수 ( Hong Cheon Su ),김성규 ( Kim Seong Gyu ),이원영 ( Lee Won Yeong ),신동환 ( Sin 대한내과학회 1993 대한내과학회지 Vol.44 No.5
Backgrounds: Bronchial carcinoids are low-grade malignant neuroendocrine tumors arising from the Kulchitsky cells of the respiratory epithelium and comprise 1% to 2% of all primary lung tumors. Clinical manifestations and course of bronchial carcinoids mainly depend on their location and histologic features. The central and typical carcinoids, respectively, are more common. Surgical resection is the choice of treatment and the prognosis is determined by the size, histologic features of the tumor and the status of regional lymph nodes. Methods: We experienced the 11 cases of laryngeal, tracheal, and bronchial carcinoids during the recent 22 years. We reviewed the locations and histologic features of the tumores, and the clinical characteristics according to them. Results: Most belinged to the central and typical type, respectively. There were laryngeal carcinoid 1 case, tracheal 2 cases and bronchial 8 cases. Females were more common. Hemoptysis which was observed in 4 cases, was found only in the central carcinoids. All bronchial carcinoids showed a mass shadow on the chest X-ray. On flexible bronchoscopic examination, we found the masses in 8 cases and carcinoids were confirmed by biopsy in 7 cases. Invasion to the adjacent organts and distant metastasis were found in 4 cases but the case of atypical carcinoids expired in one month and five of six typical carcinoids were alive. Conclusions: We have an experience that the flexible bronchoscopy is the essential examination for the diagnosis of the central bronchial carcinoids. Even though there is always the risk of massive bleeding, we think that the aggressive biopsy is important. In our study, the incidence of invasion or metastais is relatively high in typical case. Thecase of bilateral kidney metastasis in typical bronchial carcinoid at the time of diagnosis is remarkable.