Subcutaneous Tumor Implantation After Laparoscopic Procedures in Women With Malignant Disease

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Abstract
To describe the incidence of clinically detected laparoscopy-related subcutaneous tumor implantation in women with malignant disease who were treated by a gynecologic oncology service. We reviewed all cases of primary or metastatic malignancy who underwent a transperitoneal laparoscopy. Open laparoscopy technique was used in all cases with the Hasson trocar, usually placed near the umbilicus. A carbon dioxide pneumoperitoneum was used in all cases, with maximum intraabdominal pressure set at 15 mm Hg. All trocar sites more than 5 mm were closed at the fascia level. Identifying subcutaneous implantation was performed by a detailed review of all available medical records and by review of a prospectively maintained comprehensive complications database. In a 12-year period (July 1991 to July 2003), 2,593 laparoscopic procedures were performed, including 1,335 transperitoneal laparoscopies in 1,288 women with malignant disease. Malignant disease sites included adnexa/peritoneum (584), uterine corpus (355), uterine cervix (100), and other (249). There were no "isolated" trocar-related subcutaneous tumor implantations during the study period. Subcutaneous tumor implantations (n = 13, 0.97%) usually occurred with carcinomatosis, with synchronous metastases to other sites, and in the setting where the preceding laparoscopy was performed in the presence of advanced or recurrent abdominopelvic disease. Laparoscopy-related subcutaneous tumor implantation is rare (0.97%) in women undergoing transperitoneal laparoscopy with malignant disease. Subcutaneous implantation appears to occur in patients with known metastatic disease and is detected in the setting of synchronous advanced intraabdominal or pelvic metastasis and progression of carcinomatosis. The risk of subcutaneous tumor implantation should not be used as an argument against laparoscopy in the majority of women with gynecologic malignancies managed by gynecologic oncologists. II-2