Intravenous leiomyomatosis is a rare, histologically benign neoplasm that may be malignant in its specific tendency to intravascular extension. A case of intravenous leiomyomatosis with extension into the entire inferior vena cava in a 41-year-old woman is described. The patient was diagnosed with syncope 3 years after hysterectomy and was treated with a 1-stage procedure including venous replacement.
Bertrand P, Amabile P, Hardwigsen J, Campan P, Le Treut YP. Intravenous Leiomyomatosis With Caval Involvement: Report of a Case With Radical Resection and Venous Replacement. Arch Surg. 1998;133(4):460–462. doi:10.1001/archsurg.133.4.460
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