[The prescribing of CA 15.3 in the Roubaix health insurance district]. / La prescription du CA 15.3 dans la circonscription de la caisse primaire d'assurance maladie de Roubaix.

OBJECTIVE: Appreciate medical practice concerning CA 15.3 indications. MATERIAL AND METHOD: Starting with dosages reimbursed to people on social security, the health service near the primary Health care assurance offices (caisse primaire d'assurance maladie) at Roubaix, conducted a study over a period of 3 months, in which they asked physicians for their reasons for prescribing CA 15.3. RESULTS: Of the 205 questionnaires at their disposal, only 58 prescriptions conformed to the guidelines (28.3%). Prescriptions from specialists conformed in 48.9% of cases, as opposed to 12.8% from general practitioners. DISCUSSION AND CONCLUSION: The estimated assessment of the immediate additional expenditure will be shown to be 4 million Euros a year, over the whole of France.