Lung Cancer in Nepal - Histological Typing And Its Relations With Smoking

Out of 51 bronchoscopy biopsy, thirty (60%) were of lung cancer which made 5.3% of the whole malignant tumours, i.e. 562 cancers in different sites in 26 months study in the Department of Pathology, TUTH. Squamous cell carcinoma (22 cases or 73.3%) was the commonest followed by Oat cell carcinoma (5 cases or 16.7%). Lung cancer was found more in the old age group, that is 23 cases (7.7%) in over 50 yrs old, 6 cases (20%) in 40-50 yrs group and only one case (3%) in 25 yrs male. The average age for the lung cancer in this study is 58.2 yrs. Lung cancer is more common in male than in female (5:1). All nine patients with bronchogenic carcinoma in whom the history of smoking habit was taken, were heavy smoker for a long time (more than 15 yrs) & 89 (8 out of 9 pts) have Squamous cell carcinoma. In 17 cases of lung cancers 12 (70%) were founf in right lung and 5 ( 30%) in the left lung.