This is a Multicenter prospective diagnostic study.

Inclusion Criteria:

• Over 18 years of age Patient
• Woman presenting a peritoneal carcinosis presumed ovarian origin
• Coelioscopy (1st intent or recurrence) planned or performed in the last 4 weeks for laparotomy. The peritoneal cancer index of Sugarbaker must be available.
• WHO 0 - 2
• Membership in a social security system
• Patient having given her written consent

Exclusion Criteria:

• Male
• Contraindication in the coelioscopy
• Any associated medical or psychological condition which could compromise the capacity of the patient to participate in the study
• Patient deprived of freedom, under guardianship or guardianship