Abstract
Bronchopulmonary cancers rank first in terms of cancer mortality. Tobacco smoke is the major risk factor. The oncological risk use of cannabis has been studied little. Epidemiological data remain fragmented. The toxicity of cannabis is greatly increased when mixed with the tobacco. This is a retrospective study of patients with primary lung cancer spread over a period of one yea from January to December 2012. 48 700 patients (7%) smoked cannabis. All were male . The average age was 52 years. Consumption of smoked tobacco or snuff and cannabis accounted for 5 %, the cannabis was only 2%. Functional signs were dominated by cough ( 70%) and chest pain ( 68%). Physical signs of altering the general condition (66%) and clubbing (26 %). Radiological opacities represented 100 %. The diagnosis was most often by bronchoscopy (65%). Bronchial carcinoma was the most common ( 34 %) followed by squamous cell carcinoma found in 10 % of cases. According to the TNM classification , 65% of patients were classified as stage III and 32% were classified stadeIV . Seventy percent of patients had obstructive ventilatory disorders.The treatment was surgical in 25% of cases, chemotherapy was indicated in 33% of cases and 35 % of patients were put under symptomatic treatment.
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