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Original ArticleOpen Access
Cytological Diagnosis of Lung Cancer in Chiang Mai, Thailand : Cyto-Histological Correlation and Comparison of Sensitivity of Various Methods
Rangdaeng S 
,
Yain C ,
Settakom J ,
Chaiwun B ,
Sirivanichai C ,
Aramratana A
,
Yain C ,
Settakom J ,
Chaiwun B ,
Sirivanichai C ,
Aramratana A CHARIN YA-IN, M.D.*,
BENJAPORN CHAIWUN, M.D.*,
CHUSAK SIRIVANICHAI, M.D.***,
To evaluate the role of cytology of sputum, bronchial brushing (BB), bronchial washing
(BW), bronchoalveolar lavage (BAL) and fine needle aspiration cytology (FNA) in the diagnosis
of lung cancer using histological material as a gold standard, a retrospective study was performed
on cytological materials obtained from 243 patients with possible lung cancer. Of these, 160 had been
confirmed histologically to have lung cancer. Cytological materials included in the study were 31
sputa, 123 BWs, 11 BBs and 36 BALs. Meanwhile, FNAs and concurrent gun biopsies (GBs) were
performed on 23 patients clinically and histologically proved to have lung cancer. The overall sensi-
tivity of sputum, BW and BAL was 0.222, 0.455 and 0.361, respectively. BB provided a significantly
far superior sensitivity (0.800) than those of three former methods with p
BENJAPORN CHAIWUN, M.D.*,
CHUSAK SIRIVANICHAI, M.D.***,
To evaluate the role of cytology of sputum, bronchial brushing (BB), bronchial washing
(BW), bronchoalveolar lavage (BAL) and fine needle aspiration cytology (FNA) in the diagnosis
of lung cancer using histological material as a gold standard, a retrospective study was performed
on cytological materials obtained from 243 patients with possible lung cancer. Of these, 160 had been
confirmed histologically to have lung cancer. Cytological materials included in the study were 31
sputa, 123 BWs, 11 BBs and 36 BALs. Meanwhile, FNAs and concurrent gun biopsies (GBs) were
performed on 23 patients clinically and histologically proved to have lung cancer. The overall sensi-
tivity of sputum, BW and BAL was 0.222, 0.455 and 0.361, respectively. BB provided a significantly
far superior sensitivity (0.800) than those of three former methods with p
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