Introduction/Background Our study has been based on the epidemiologic, diagnostic and therapeutic analysis of patients who have been treated for epithelial ovarian cancer early stage in the Mohammed VI centre-treatment of cancers.

Methodology Our study has been based on the epidemiologic, diagnostic and therapeutic analysis of 24 patients who have been treated during three years between January 2015 and December 2017.

Results The mean age was 43 years old.

In 75% of the cases, our patients were in the period of genital activity.

The circumstances of discovery were dominated by the pain (83,33%), followed by metrorrhagia (25%).

The abdominal palpation didn’t find a tumor mass in 50% of the cases.

The echography was done for all the patients, it has suspected the malignancy in all the cases, the mixed echostrucure was dominated (75%), with the presence of vegetations in 79,16%.

The TDM keeps its big interest in case of diagnostic doubt and in the balance assessment of extension of the malignant tumors, it was done for 41,66% of cases. All the patients have received a dosage of tumor markers (CA 125) which was high in 79,16% of cases. the laparoscopic approach was initially performed for 3 patients. unilateral adnexectomy was performed in 3 patients, whereas a total hysterectomy without adnexal preservation was performed in 87.5% of cases.

Extemporaneous examination was requested in 41.66% of the cases. It confirmed the malignancy and histological type in all cases, and guided surgical management.

The epithelial cancer of the ovary was diagnosed in 91.66% of cases at stage I, with a predominance of stage IA (45.83%).

We noted two histological types serous and mucinous, with a predominance of serous type (70.83%). Of these, five were papillary.

Conclusion We found a grade I CEO in ten patients, grade II in eight patients and grade III in three patients.

Disclosure Nothing to disclose.