The value of transbronchial lung biopsy in the diagnosis of peripheral lung tumors according to cell type.

C. J. Hsiao, C. C. Tang, Hui-Chen, C. H. Wang, C. T. Yu, H. P. Kuo, H. C. Lin

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

BACKGROUND: Transbronchial lung biopsy (TBLB) is a useful diagnostic tool for peripheral lung tumors. However, the success rate is variable. Our study was designed to investigate the value of TBLB without fluoroscopic guidance in the diagnosis of variable cell types of peripheral lung cancers. METHODS: A retrospective study was conducted to investigate a total of 597 patients who had undergone fiberoptic bronchoscopy for lung mass on chest X-ray in Chang Gung Memorial Hospital from January 1996 to December 1998. The lung masses were proven to be malignant by cytology and histology. RESULTS: Of 358 patients (60.0%) proven with malignancy, 107 patients presented with peripheral lung cancer (17.9%), including 59 with adenocarcinoma, 26 with squamous cell carcinoma, 11 with poorly differentiated carcinoma, 3 with small cell carcinoma, and 8 with metastatic cancers. The diagnostic rate of peripheral lung cancer by TBLB reached 54.2%. The sensitivity rates of detection of non-small cell type by TBLB were adenocarcinoma, 50.9%; squamous cell carcinoma, 61.5%; and poorly differentiated carcinoma, 72.7%, while that of small cell carcinoma was 100%. In contrast, the sensitivity rate of TBLB for metastatic cancers was lower (12.5%) than for primary lung cancers. Repeated TBLB of peripheral lung cancers increased the diagnostic rate from 49.5% to 54.2%. CONCLUSION: TBLB is an effective bronchoscopic sampling technique in the diagnosis of peripheral lung tumors without additional risk. The use of TBLB in the clinical routine should be encouraged.

Original languageEnglish
Pages (from-to)584-589
Number of pages6
JournalChanggeng yi xue za zhi / Changgeng ji nian yi yuan = Chang Gung medical journal / Chang Gung Memorial Hospital
Volume23
Issue number10
Publication statusPublished - Oct 1 2000
Externally publishedYes

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Biopsy
Lung
Lung Neoplasms
Neoplasms
Small Cell Carcinoma
Mass Chest X-Ray
Squamous Cell Carcinoma
Adenocarcinoma
Carcinoma
Bronchoscopy
Cell Biology
Histology
Retrospective Studies

ASJC Scopus subject areas

  • Medicine(all)

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The value of transbronchial lung biopsy in the diagnosis of peripheral lung tumors according to cell type. / Hsiao, C. J.; Tang, C. C.; Hui-Chen; Wang, C. H.; Yu, C. T.; Kuo, H. P.; Lin, H. C.

In: Changgeng yi xue za zhi / Changgeng ji nian yi yuan = Chang Gung medical journal / Chang Gung Memorial Hospital, Vol. 23, No. 10, 01.10.2000, p. 584-589.

Research output: Contribution to journalArticle

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abstract = "BACKGROUND: Transbronchial lung biopsy (TBLB) is a useful diagnostic tool for peripheral lung tumors. However, the success rate is variable. Our study was designed to investigate the value of TBLB without fluoroscopic guidance in the diagnosis of variable cell types of peripheral lung cancers. METHODS: A retrospective study was conducted to investigate a total of 597 patients who had undergone fiberoptic bronchoscopy for lung mass on chest X-ray in Chang Gung Memorial Hospital from January 1996 to December 1998. The lung masses were proven to be malignant by cytology and histology. RESULTS: Of 358 patients (60.0{\%}) proven with malignancy, 107 patients presented with peripheral lung cancer (17.9{\%}), including 59 with adenocarcinoma, 26 with squamous cell carcinoma, 11 with poorly differentiated carcinoma, 3 with small cell carcinoma, and 8 with metastatic cancers. The diagnostic rate of peripheral lung cancer by TBLB reached 54.2{\%}. The sensitivity rates of detection of non-small cell type by TBLB were adenocarcinoma, 50.9{\%}; squamous cell carcinoma, 61.5{\%}; and poorly differentiated carcinoma, 72.7{\%}, while that of small cell carcinoma was 100{\%}. In contrast, the sensitivity rate of TBLB for metastatic cancers was lower (12.5{\%}) than for primary lung cancers. Repeated TBLB of peripheral lung cancers increased the diagnostic rate from 49.5{\%} to 54.2{\%}. CONCLUSION: TBLB is an effective bronchoscopic sampling technique in the diagnosis of peripheral lung tumors without additional risk. The use of TBLB in the clinical routine should be encouraged.",
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