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European Journal of Gynaecological Oncology  2020, Vol. 41 Issue (4): 648-650    DOI: 10.31083/j.ejgo.2020.04.5168
Case Report Previous articles | Next articles
A case of recurrent smooth muscle tumor of uncertain malignant potential with abdominal dissemination after morcellation
Terumi Tanigawa1, *(), Maki Matoda1, Yoichi Aoki1, Hidetaka Nomura1, Sanshiro Okamoto1, Kohei Omatsu1, Hiroyuki Kanao1, Nobuhiro Takeshima1
1Cancer Institute Hospital, Koto, Tokyo, Japan
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Abstract  
Objective: Smooth muscle tumor of uncertain malignant potential (STUMP) shares some characteristics with sarcoma but does not meet the full diagnostic criteria. Morcellation is a technique used to extract surgical specimens through a small incision, thereby spreading unsuspected malignant cells. We report a case of STUMP that recurred postoperatively in the abdominal cavity. Case Report: Surgery was performed on a patient diagnosed with uterine leiomyoma, with the tumor morcellated transvaginally. Twelve months later, several abdominal tumors appeared. Pathological specimens were reevaluated, and STUMP was diagnosed. Many tumors in the abdominal cavity of the patient were removed surgically. The postoperative pathologic diagnosis was leiomyosarcoma. Conclusion: This case of unsuspected STUMP recurrence after transvaginal scalpel morcellation illustrates the risk of spillage of malignant cells. Surgeons and surgical pathologists must stay alert to the possibility of occult malignancy, and morcellated tissues should be carefully examined.
Key words:  Leiomyoma      STUMP      Transvaginal scalpel morcellation      Laparoscopy      Total hysterectomy     
Submitted:  04 February 2019      Accepted:  29 April 2019      Published:  15 August 2020     
*Corresponding Author(s):  TERUMI TANIGAWA     E-mail:  terumi.tanigawa@jfcr.or.jp

Cite this article: 

Terumi Tanigawa, Maki Matoda, Yoichi Aoki, Hidetaka Nomura, Sanshiro Okamoto, Kohei Omatsu, Hiroyuki Kanao, Nobuhiro Takeshima. A case of recurrent smooth muscle tumor of uncertain malignant potential with abdominal dissemination after morcellation. European Journal of Gynaecological Oncology, 2020, 41(4): 648-650.

URL: 

https://ejgo.imrpress.com/EN/10.31083/j.ejgo.2020.04.5168     OR     https://ejgo.imrpress.com/EN/Y2020/V41/I4/648

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