Diagnosis of pelvic endometriosis by magnetic resonance imaging using “fat-saturation” technique
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This paper investigates the diagnostic accuracy of the fat-saturation technique in magnetic resonance imaging for detecting pelvic endometriosis.
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Abstract
ObjectiveTo assess the usefulness of fat-saturated magnetic resonance (MR) imaging for detecting small endometrial implants.DesignProspective evaluation by conventional and fat-saturated MR imaging.SettingShimane Medical University Hospital, Izumo, Japan.PatientsFifty-one consecutive patients with clinically suspected pelvic endometriosis.InterventionsMagnetic resonance images < 2 weeks before laparoscopy or laparotomy.Main outcome measureThe location, number, and size of lesions.ResultsSurgery revealed a normal pelvis in 5 patients, endometriosis in 44 (42 with pigmented lesions and 2 with nonpigmented lesions and adhesions), and other cystic lesions in 2. With fat-saturated MR imaging, overall sensitivity, specificity, positive predictive value, and negative predictive value were 89%, 71%, 95%, and 50%, respectively. At surgery, 122 pigmented lesions of endometriosis were detected. Conventional MR images indicated lesions of endometriosis in 74. When fat-saturated images were used, 103 lesions were detected. With conventional MR images, only one of 34 small endometrial implants (2 to 3 mm in diameter) was detected. However, the addition of fat-saturated images increased the detection rate to 15 of 34, and all lesions > 4 mm in diameter.ConclusionConventional MR imaging for detecting small endometrial implants was improved by addition of the fat-saturation technique. Therefore, fat-saturation MR imaging is an acceptable for detecting small endometriomas.
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Cited by (28)
- Diagnosis and treatment of early-stage endometriosis by Transvaginal Hydro laparoscopy 2023
- Anogenital distance in adult women is a strong marker of endometriosis: results of a prospective study with laparoscopic and histological findings 2020
- Imaging modalities for the non-invasive diagnosis of endometriosis 2016
- Endométriose 2013
- Secondary Mullerian System 2013
- Diagnosis of Endometriosis: Imaging 2011
- CA 125 serum values in surgically treated endometriosis patients and its relationships with anatomic sites of endometriosis and pregnancy rate 2010
- The threshold for laparoscopy for pelvic pain 2010
- Endometriosis infiltrante: revisión de tema Deep endometriosis: a review 2009
- Deep endometriosis: a review 2009
- Value of MRI for the diagnosis of deep pelvic endometriosis 2008
- Can symptomatology help in the diagnosis of endometriosis? Findings from a national case–control study—Part 1 2008
- Endometriose pélvica: comparação entre imagens por ressonância magnética de baixo campo (0,2 T) e alto campo (1,5 T) 2008
- Accuracy of magnetic resonance imaging and rectal endoscopic sonography for the prediction of location of deep pelvic endometriosis 2007
- Imaging in endometriosis 2007
- Imagerie par résonance magnétique et endométriose 2007
- Imagerie de l'endométriose 2007
- Resonancia magnética y endometriosis 2007
- Endométriomes ovariens 2006
- Usefulness and limits of CA-125 in diagnosis of endometriosis without associated ovarian endometriomas 2005
- Diagnostic accuracy of laparoscopy, magnetic resonance imaging, and histopathologic examination for the detection of endometriosis 2003
- Comparison of Magnetic Resonance Imaging and Transvaginal Ultrasonography in Diagnosing Bladder Endometriosis 2002
- Deeply Infiltrating Endometriosis: Implications, Diagnosis, and Management 2001
- 10.1016/s1879-8543(19)42824-3 2000
- Diagnostic value of radiological tests in chronic pelvic pain 2000
- Is laparoscopy the gold standard for the diagnosis of endometriosis? 2000
- Obstructive Uropathy Secondary to Endometriosis 1997
- Prognostic application of magnetic resonance imaging in patients with endometriomas treated with gonadotrophin-releasing hormone analogue 1996
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