Clinical Observations of the Solitary Pulmonary nodules

Kim, Jung Young; Kim, Se Kyu; Jang, Sang Ho; Kim, Byung Il; Hong, Sung Pyo; Chang, Joon; Kim, Sung Kyu; Lee, Won Young

doi:1989.36.4.320

Tuberc Respir Dis > Volume 36(4); 1989 > Article

Original Article

Tuberculosis and Respiratory Diseases 1989;36(4):320-327.
DOI: https://doi.org/10.4046/trd.1989.36.4.320 Published online December 1, 1989.

Clinical Observations of the Solitary Pulmonary nodules

Jung Young Kim, Se Kyu Kim, Sang Ho Jang, Byung Il Kim, Sung Pyo Hong, Joon Chang, Sung Kyu Kim, Won Young Lee

Departmenl of Internal Medicine, College of Medicine, Yonsei Universily, Seoul, Korea

고립성 폐결절의 임상 고찰

김중영, 김세규, 장상호, 김병일, 홍성표, 장준, 김성규, 이원영

Abstract

We reviewed 58 cases of solitary pulmonary nodules on simple chest P.A at the Yonsei University Severance Hospital from September 1981 to August 1988 and the following results were obtained. 1) The ratio between male and female was 1.3:1 and the mean age was 48-year-old. 2) Among 58 cases of pulmonary nodules, 19 cases were bronchogenic carcinoma, 17 cases were tuberculoma and the other cases were benign nodules. 3) In patients more than 35 years of age, bronchogenic carcinoma were 19 cases among the 44 cases. 4) 32 cases (55.2%) in our solitary pulmonary nodules was asymptomatic and 10 cases among these were confirmed to be bronchogenic carcinoma. 5) The ratio between non-smoker and smoker was 1.2:1 and 10 cases of smokers (26 cases) were malignant. 6) The mean size of the nodules was 3.5 cm and, in nodules more than 3 cm, 12 cases were malignant among the 32 cases. 7) Calcification was noted on 11 cases of 58 cases of pulmonary nodules. In 11 patients, one case was bronchogenic carcnoma (epidermoid carcinoma). In 47 cases of non-calcified nodules 18 cases were malignant . 8) Diagnostic yield of TBLB and NAB for malignant or benign nodules: The yield of TBLB was thirteen of 51 (25.5%). The yield of NAB was four of 5 (80%). The yield of TBLB and/ or NAB was 26 of 56 (46.4%). 9) In 11 patients. neither TBLB nor NAB provided a specific diagnosis. Among those patients, one was confirmed to be malignant by operation. In conclusion, the proportion of bronchogenic carcinoma in our solitary pulmonary nodules was 32.8%. It seems to be that the possibility of malignancy is much decreased, if the results of TBLB and NAB for solitary pulmonary nodules are negative.

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