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Intravenous leiomyomatosis: CT findings
Hong-Juan Peng1, Bin Zhao, Qi-Wei Yao
1Shandong University, Shandong Provincial Medical Imaging Institute, Jinan, People's Republic of China. phj0000@163.com
Abdominal Imaging
|September 1, 2011
Summary
Intravenous leiomyomatosis (IVL) is a rare benign smooth muscle tumor that can aggressively invade major veins. This study highlights CT findings in four IVL cases, aiding diagnosis and surgical planning.
Area of Science:
- Oncology
- Radiology
- Pathology
Background:
- Intravenous leiomyomatosis (IVL) is a rare smooth muscle neoplasm.
- Despite benign histology, IVL exhibits aggressive local invasion into vascular structures.
- IVL can extend into the inferior vena cava (IVC), heart, and pulmonary vasculature, rarely metastasizing to the lungs.
Purpose of the Study:
- To describe the computed tomography (CT) findings in four cases of IVL involving the inferior vena cava (IVC).
- To enhance preoperative diagnosis of IVL.
- To improve surgical resection rates and patient survival.
Main Methods:
- Retrospective review of four cases with IVL in the IVC.
- Analysis of computed tomography (CT) imaging features.
- Correlation with clinical history, including prior hysterectomy for uterine leiomyoma.
Main Results:
- Four cases of IVL in the IVC were identified.
- One case showed extension into the left renal vein.
- Three cases demonstrated intraluminal growth into the right heart chamber.
- CT findings were analyzed to characterize IVL's appearance.
Conclusions:
- CT imaging is crucial for diagnosing IVL involving the IVC.
- Accurate preoperative diagnosis can guide surgical strategy.
- Improved diagnosis may lead to better surgical outcomes and survival for patients with IVL.
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