Morcellation-Related Dissemination of Smooth Muscle Neoplasia


D efinition A specific syndrome caused by the iatrogenic dissemination of a morcellated smooth muscle tumor, which is distinct from spontaneous disseminated peritoneal leiomyomatosis.

Clinical Features

Epidemiology

  • Power morcellation has been a commonly used technique for removing intraabdominal smooth muscle tumors and may disseminate both normal and tumor tissues in the peritoneal cavity.

  • Unexpected leiomyosarcoma occurs in approximately 1 to 2 per 1000 routine hysterectomies for presumed benign leiomyomata.

  • Malignancies can be detected in as high as 1 : 350 morcellation procedures for presumed symptomatic leiomyomata.

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