MR imaging in the evaluation of benign uterine masses: value of gadopentetate dimeglumine-enhanced T1-weighted images.
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Contrast-enhanced T1-weighted MR images did not improve detection or characterization of uterine leiomyomas or adenomyosis but significantly improved endometrial polyp detection.
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Abstract
Forty-six patients with surgically proved disease (115 leiomyomas, 19 cases of adenomyosis, and 14 endometrial polyps) were studied to determine if gadopentetate dimeglumine-enhanced T1-weighted MR images improve the detection and characterization of benign tumors of the uterus. Lesion detection and characterization were assessed separately for each sequence (unenhanced T1-weighted, proton-density-weighted, and T2-weighted and contrast-enhanced T1-weighted images) and for combinations of sequences (unenhanced T1- and T2-weighted images, unenhanced and contrast-enhanced T1-weighted images, and unenhanced T1- and T2-weighted and contrast-enhanced T1-weighted images). In the evaluation of leiomyomas, analysis of all three sequences provided the best detection (92%) and characterization (92%), but the improvement, except when compared with unenhanced T1-weighted images alone, was not statistically significant. The use of contrast medium did not contribute to either tumor detection or characterization. In the evaluation of adenomyosis, T2-weighted images provided significantly better lesion detection and characterization than did either unenhanced or contrast-enhanced T1-weighted images. In the evaluation of endometrial polyps, however, contrast-enhanced T1-weighted images provided significantly better lesion detection and characterization than did unenhanced images. With contrast-enhanced images, the detection rate was 79%, compared with 36% for T2-weighted images and 7% for T1-weighted images. Lesion characterization was the best (73%) when all imaging sequences were analyzed. Our study shows that with conventional spin-echo sequences, the use of contrast-enhanced T1-weighted images does not improve the detection or characterization of uterine leiomyomas or adenomyosis but significantly improves the detection of endometrial polyps.
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Cited by (34)
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- Efficacy of high intensity focused ultrasound treatment for cystic adenomyosis: a report of four cases 2020
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- Patients with adenomyosis are more likely to have deep endometriosis 2012
- Imaging techniques in gynaecology 2011
- Adenomiose em pacientes com endometriose profunda: aspectos clínicos, histológicos e radiológicos 2010
- Potential clinical applications of uterine artery occlusion 2009
- Transvaginal ultrasound for diagnosis of adenomyosis: a review 2006
- Current diagnostic and treatment strategies for adenomyosis 2006
- Imagerie de l'adénomyose 2005
- Imaging diagnosis of adenomyosis 2005
- Imagerie de l'adénomyose 2005
- Uterine Metastasis from Lobular Breast Cancer Simulating Adenomyosis at MRI 2004
- Atypical MR Imaging of Adenomyosis with Endometrial Polyp Mimicking Endometrial Stromal Sarcoma 2004
- Benign Myometrial Conditions: Leiomyomas and Adenomyosis 2003
- Ultrasonography compared with magnetic resonance imaging for the diagnosis of adenomyosis: correlation with histopathology 2001
- Adenomyosis and endometrial ablation 2000
- Radiographic imaging techniques for the diagnosis of abnormal uterine bleeding 2000
- 10.1016/s0246-1064(21)43899-5 2000
- 10.1016/s0246-1064(13)59690-3 2000
- Abnormal uterine cavity: differential diagnosis with MR imaging 1999
- Uterine Adenomyosis: Endovaginal US and MR Imaging Features with Histopathologic Correlation 1999
- Imaging features of adenomyosis 1998
- Magnetic Resonance Imaging Versus Ultrasound in the Assessment of Benign Uterine Lesions 1998
- Magnetic Resonance Imaging of Benign and Malignant Diseases of the Uterus: A Comprehensive Review 1997
- Adenomyosis 1995
- Endovaginal ultrasonography in the diagnosis of adenomyosis uteri: identifying the predictive characteristics 1995
- The potential value of magnetic resonance imaging in infertility 1995
- MR imaging of atypical polypoid adenomyoma 1995
- The nonsurgical diagnosis of adenomyosis 1995
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