American Journal of Roentgenology, Vol 158, 321-325, Copyright © 1992 by American Roentgen Ray Society

ARTICLES

Value of lipid- and water-suppression MR images in distinguishing between blood and lipid within ovarian masses

R Kier, RC Smith and SM McCarthy
Department of Radiology, Yale University School of Medicine, New Haven, CT 06510.

The distinction between blood and lipid in ovarian masses on MR imaging is important in the differential diagnosis of these lesions. However, this is often difficult on routine MR images because both blood and lipid within tumors can have the same signal intensity as subcutaneous fat. Accordingly, we studied the value of lipid- and water-suppression MR images in making this distinction in 16 patients (21 lesions). As proved by surgery (six patients) or laparoscopy (10 patients), there were 16 endometriomas, one hemorrhagic leiomyosarcoma, and four lipid- containing mature cystic teratomas. The signal intensity in all 17 hemorrhagic lesions was greater than that of subcutaneous fat on lipid- suppression images and less than that of fat on water-suppression images. This compared with the signal intensity of the four lesions that contained lipid, in which the signal intensity was similar to that of subcutaneous fat on both the lipid- and water-suppression images. Thus, the lipid- and water-suppression MR images allowed an accurate distinction between the two. Our experience suggests that the appearance of blood and lipid in ovarian tumors is sufficiently different on lipid- and water-suppression MR images to allow an accurate distinction between the two. The two techniques should be useful in the differential diagnosis of such lesions by MR imaging.
CiteULike    Complore    Connotea    Del.icio.us    Digg    Reddit    Technorati    What's this?

This article has been cited by other articles:

				S. B. Park, J. K. Kim, K.-R. Kim, and K.-S. Cho Imaging Findings of Complications and Unusual Manifestations of Ovarian Teratomas RadioGraphics, July 1, 2008; 28(4): 969 - 983. [Abstract] [Full Text] [PDF]

				S. Adusumilli, H. K. Hussain, E. M. Caoili, W. J. Weadock, J. P. Murray, T. D. Johnson, Q. Chen, and B. Desjardins MRI of sonographically indeterminate adnexal masses. Am. J. Roentgenol., September 1, 2006; 187(3): 732 - 740. [Abstract] [Full Text] [PDF]

				M. Takeuchi, K. Matsuzaki, H. Uehara, and H. Nishitani Malignant Transformation of Pelvic Endometriosis: MR Imaging Findings and Pathologic Correlation. RadioGraphics, March 1, 2006; 26(2): 407 - 417. [Abstract] [Full Text] [PDF]

				C. M. Glastonbury The Shading Sign Radiology, July 1, 2002; 224(1): 199 - 201. [Full Text]

				A. Rieber, K. Nussle, I. Stohr, D. Grab, S. Fenchel, R. Kreienberg, S. N. Reske, and H.-J. Brambs Preoperative Diagnosis of Ovarian Tumors with MR Imaging: Comparison with Transvaginal Sonography, Positron Emission Tomography, and Histologic Findings Am. J. Roentgenol., July 1, 2001; 177(1): 123 - 129. [Abstract] [Full Text] [PDF]

				E. K. Outwater, E. S. Siegelman, and J. L. Hunt Ovarian Teratomas: Tumor Types and Imaging Characteristics RadioGraphics, March 1, 2001; 21(2): 475 - 490. [Abstract] [Full Text] [PDF]

				Y.-Y. Jeong, E. K. Outwater, and H. K. Kang Imaging Evaluation of Ovarian Masses RadioGraphics, September 1, 2000; 20(5): 1445 - 1470. [Abstract] [Full Text] [PDF]

				C. A. Gougoutas, E. S. Siegelman, J. Hunt, and E. K. Outwater Pelvic Endometriosis: Various Manifestations and MR Imaging Findings Am. J. Roentgenol., August 1, 2000; 175(2): 353 - 358. [Full Text] [PDF]

				R. E. Frye, S. M. Ascher, and D. Thomasson MR Hysterosalpingography: Protocol Development and Refinement for Simulating Normal and Abnormal Fallopian Tube Patency-Feasibility Study with a Phantom1 Radiology, January 1, 2000; 214(1): 107 - 112. [Abstract] [Full Text]

				E. S. Siegelman and E. K. Outwater Tissue Characterization in the Female Pelvis by Means of MR Imaging Radiology, July 1, 1999; 212(1): 5 - 18. [Abstract] [Full Text]