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Eur J Cardiothorac Surg 2003;23:818-823
© 2003 Elsevier Science NL
kea
a Department of Surgery, University of Szeged, Szeged, Hungary
b Department of Pathology, University of Szeged, Szeged, Hungary
c Department of Radiology, University of Szeged, Szeged, Hungary
d Department of Medical Informatics, University of Szeged, Szeged, Hungary
Received 22 September 2002; received in revised form 26 January 2003; accepted 3 February 2003.
* Corresponding author. Tel.: +36-30-99-55-815; fax: +36-62-545-701
e-mail: fj{at}surg.szote.u-szeged.hu
Objective: The prevalence of pulmonary adenocarcinoma has risen worldwide. Bronchioloalveolar carcinoma (BAC) was studied with regard to whether it exhibits a similar tendency, and its typical features were analysed. Methods: Between 1992 and 2001, 278 lung resections were carried out for adenocarcinoma. Of these, 67 (24.1%) proved to involve BAC. Whereas BAC accounted for 6.9% of the cases in 1992, in 2001 the proportion was 46.9%. There were 37 men (55.2%) and 30 women (44.7%); the average age was 60.5 years. 58.2% of them had no complaints. Of the 26 non-smokers, 69.2% were women; of the 41 smokers, 29.2% were women. In consequence of the tumour, 49 lobectomies, three bilobectomies, six pneumonectomies and nine wedge resections were performed. Results: The surgical mortality was 1.6%. The pathology revealed that 26 (38.8%) tumours were in stage I/A. In 15 cases (22.4%), tuberculosis (TB) could be revealed besides the BAC: by skin tests in four cases, by CT in three cases, by case history in four cases, and by pathology in four cases. For the overall group of 67 patients, the 5-year survival rate was 61.9%, and the mean survival time was 75.7 months. The 5-year survival rate among the women (74%) was significantly better than that among the men (37%) (P=0.030). There was no significant difference in survival with regard to the multiple BAC (85%). The 5-year survival rate was significantly worse in the mixed BAC group (20%) than in the non-mucinous (62.7%) and in mucinous (59%) group. The overall 5-year survival rate among the smokers and TB patients was 61 and 79%, respectively, which is higher than that among the non-smokers (47%) and non-TB patients (56%). The survival rate for the wedge resection cases was 37%, which was lower than that for the cases involving major resections (60%) (P=0.939). Conclusion: BAC has a favourable survival, particularly in women. In spite of this, resection smaller than lobectomy is recommended only as a compromise. A multiple appearance does not imply a worse survival. The best survival rate was found in the non-mucinous BAC among the histological groups. TB seems to be frequent among BAC patients.
Key Words: Bronchioloalveolar carcinoma • Survival • Scar-carcinoma • Smokers
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