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Copyright ©ERS Journals Ltd 2004
Lung cancer: clinical presentation and specialist referral time
S.C. di Pneumologia, Azienda Ospedaliera "S. Croce e Carle", Cuneo, Italy
CORRESPONDENCE: G. Buccheri, S.C. di Pneumologia, Azienda Ospedaliera "S. Croce e Carle", Cuneo, I-12100, Italy. Fax: 39 171616724. E-mail: buccheri@culcasg.org
Keywords: Diagnosis, diagnostic delay, lung cancer, prognosis, symptoms
Received: October 10, 2003
Accepted August 4, 2004
Many textbooks describe symptoms and signs of lung cancer but refer to old series of patients.
To update knowledge about lung cancer presentation, a study was carried out on 1,277 consecutive lung cancer patients, who were seen in a single Institution from January 1989 to October 2002. A set of 33 anthropometric, clinical, physical, laboratory, radiological, pathological and follow-up variables was prospectively recorded for all patients. In addition, information was obtained concerning symptoms of alarm (i.e. potential concern), times to specialist referral and the mix of symptoms at presentation. Patients were carefully followed-up and their subsequent clinical course was recorded.
Casual discovery with absence of symptoms occurred more frequently towards the end of the study period and the prevalence of chest pain became less common. No other time-dependent changes were found in the presenting symptoms. Delay in specialist referral was longer when presentation was provoked by cough or by the occurrence of systemic symptoms, such as weight loss, anorexia and asthenia. Referral delay was longer towards the end of the study, perhaps related to an increase in the number of elderly patients with co-morbidities. Both alarm and prevalence symptoms were strong predictors of the clinical outcome, as found in both univariate analysis (favourable: casual discovery and chest infection; unfavourable: chest pain, dyspnoea, systemic symptoms and symptoms of local or systemic dissemination) and in multivariate analysis (favourable: chest infection).
Early presentation of lung cancer is characterised by a specific symptomatic pattern. Knowledge of this pattern may help to improve the rate of early diagnosis.
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