Epithelial ovarian carcinoma of low malignant potential
Abstract Objective : The aim of this study was to evaluate the interest of sonographic features, serum marker tumors and conservative treatment especially by laparoscopic approach of epithelial ovarian tumors of low malignant potential (or borderline tumors). Study design : Thirty-four patients with 40 epithelial ovarian tumors of low malignant potential treated at Bichat Claude Bernard hospital were reviewed. Of these patients, 29 had preoperative sonographic control (85.2%), 19 (55.8%) had pretreatment serum CA 125 determination, 17 (50%) serum CA 199 determination and 19 CEA serum levels. Twenty patients (58.8%) had serous tumor and 14 (41.2%) had mucinous tumor. Six out of the 20 serous lesions were bilateral. Of the patients 31 (91%) had a stage I disease, one had stage II (3%) disease and two had stage III (6%) disease. Nine patients (26.5%) had laparotomic management, 25 (73.5%) had first laparoscopic management with seven laparoconversions (28%). Results: The majority of borderline tumors (67.7%) exhibited multilocular aspects and seven patients had benign features (unilocular smooth sonolucent). Seven out of the 19 CA 125 serum levels were up to 35 U/ml; 417 CA 199 serum levels were above 40 U/ml but the CEA serum levels were always normal. Eighteen patients (52.9%) had radical surgery and 16 patients (47.1%) had conservative surgery including 7 cystectomies. Seven patients (20.6%) had subsequent laparotomic treatment, (five after laparoscopic management, one after laparoconversion management and another one after laparotomic surgery) and no residual disease was found. Fourteen patients (41.1%) had preoperative cyst rupture (13 during laparoscopic management). Four recurrences in stage I disease occurred; one after unilateral salpingoophorectomy, three after cystectomy but only one recurrence was in ipsilateral ovary. All four recurrences were diagnosed by sonographic control and one was associated with CA 125 serum level elevation. Ten laparoscopic second look were negative. Conclusion: No specific sonographic aspect exists for borderline tumors but it is the best way to detect recurrence. The preoperative CA 125 serum levels was elevated in 36.8% of patients. The conservative treatment including laparoscopic procedure in borderline ovarian tumors appears to have a high risk of preoperative rupture but the rate of recurrence is similar to laparotomic treatment.
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