Abstract:
BACKGROUND:Uterine leiomyosarcoma (ULMS) is identified in 0.1% to 0.2% of hysterectomy specimens of presumed leiomyoma. To date, there is no preoperative technique that reliably differentiates ULMS from uterine leiomyoma. Increasing use of minimally invasive approaches for the management of leiomyomas may result in inadvertently morcellated ULMS with resultant intraperitoneal dissemination of tumor. The objective of this study was to assess the impact of intraperitoneal morcellation on the outcomes of patients with ULMS. METHODS:In this retrospective cohort study, all patients with ULMS who attended the authors' institutions from 2007 to 2012 were reviewed. Demographics and outcomes were compared between those who underwent morcellation or total abdominal hysterectomy (TAH) as their first surgery for uterus-limited ULMS. RESULTS:In total, 58 patients were identified, including 39 who underwent TAH and 19 who underwent intraperitoneal morcellation. Intraperitoneal morcellation was associated with a significantly increased risk of abdominal/pelvic recurrences (P = .001) and with significantly shorter median recurrence-free survival (10.8 months vs 39.6 months; P = .002). A multivariate adjusted model demonstrated a > 3 times increased risk of recurrence associated with morcellation (hazard ratio, 3.18; 95% confidence interval, 1.5-6.8; P = .003). CONCLUSIONS:Intraperitoneal morcellation of presumed leiomyoma worsens the outcomes of women with ULMS. Because there are no reliable preoperative techniques to distinguish ULMS from benign leiomyoma, all efforts to minimize intraperitoneal uterine morcellation should be considered. [See editorial on pages 000-000, this issue.]
journal_name
Cancerjournal_title
Cancerauthors
George S,Barysauskas C,Serrano C,Oduyebo T,Rauh-Hain JA,Del Carmen MG,Demetri GD,Muto MGdoi
10.1002/cncr.28844subject
Has Abstractpub_date
2014-10-15 00:00:00pages
3154-8issue
20eissn
0008-543Xissn
1097-0142journal_volume
120pub_type
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