Sexcord/ stromal ovarian tumors MRI: Difference between revisions
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*Dense calcifications are often noted | *Dense calcifications are often noted | ||
*Scattered areas of high-signal-intensity in the mass indicate either edema or cystic degeneration | *Scattered areas of high-signal-intensity in the mass indicate either edema or cystic degeneration | ||
[[File:Fibroma MRI findings.jpg|400px|thumb|none|A 47-year-old women with a fibroma on the right ovary(arrows). Axial T1-weighted image (a) shows an oval mass of low signal intensity. Axial T2-weighted with fat suppression image (b) and coronal T2-weighted image (c) shows the mass was homogenous low signal intensity. T1-weighted contrast enhanced images (d) shows the mass was slightly enhanced. The mass shows low signal intensity on DW imaging (e) and has a significant low ADC value of 0.132 × 10− 3 mm2/s (f),Zhao SH, Li HM, Qiang JW, Wang DB, Fan H. The value of MRI for differentiating benign from malignant sex cord-stromal tumors of the ovary: emphasis on diffusion-weighted MR imaging. J Ovarian Res. 2018;11(1):73. Published 2018 Aug 30. doi:10.1186/s13048-018-0444-6,https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6116557/]] | |||
==References== | ==References== | ||
Revision as of 18:49, 17 April 2019
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Sexcord/ stromal ovarian tumors Microchapters |
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Differentiating Sexcord/ Stromal Ovarian Tumors from other Diseases |
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Sexcord/ stromal ovarian tumors MRI On the Web |
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]; Associate Editor(s)-in-Chief:
Overview
There are no MRI findings associated with [disease name].
OR
[Location] MRI may be helpful in the diagnosis of [disease name]. Findings on MRI suggestive of/diagnostic of [disease name] include [finding 1], [finding 2], and [finding 3].
OR
There are no MRI findings associated with [disease name]. However, a MRI may be helpful in the diagnosis of complications of [disease name], which include [complication 1], [complication 2], and [complication 3].
MRI
- MRI may be helpful in the diagnosis of Sexcord/ stromal ovarian tumors[1][2][3][4][5]
- Findings on MRI differ according to the subtypes of tumors
Granulosa cell tumors:
- They show heterogeneous signal intensity on both T1WI and T2WI and high signal intensity on DWI images
- They appear as solid masses, tumors with hemorrhagic or fibrotic changes, multilocular cystic lesions or completely cystic tumors
- Heterogeneity within a solid tumor is caused by intratumoral bleeding, infarct or fibrous degeneration
Fibroma, Fibrothecoma, and Thecoma:
- As the name indicates fibromas have abundant collagen and fibrous contents, these tumors show relatively diagnostic imaging findings
- They appear as hypointense masses on T1-weighted MRI with very low signal intensity on T2-weighted imaging
- Dense calcifications are often noted
- Scattered areas of high-signal-intensity in the mass indicate either edema or cystic degeneration
References
- ↑ Jung SE, Rha SE, Lee JM, Park SY, Oh SN, Cho KS, Lee EJ, Byun JY, Hahn ST (July 2005). "CT and MRI findings of sex cord-stromal tumor of the ovary". AJR Am J Roentgenol. 185 (1): 207–15. doi:10.2214/ajr.185.1.01850207. PMID 15972425.
- ↑ Zhang H, Zhang H, Gu S, Zhang Y, Liu X, Zhang G (June 2018). "MR findings of primary ovarian granulosa cell tumor with focus on the differentiation with other ovarian sex cord-stromal tumors". J Ovarian Res. 11 (1): 46. doi:10.1186/s13048-018-0416-x. PMC 5989475. PMID 29871662.
- ↑ Zhao SH, Li HM, Qiang JW, Wang DB, Fan H (August 2018). "The value of MRI for differentiating benign from malignant sex cord-stromal tumors of the ovary: emphasis on diffusion-weighted MR imaging". J Ovarian Res. 11 (1): 73. doi:10.1186/s13048-018-0444-6. PMC 6116557. PMID 30165895.
- ↑ Matsutani H, Nakai G, Yamada T, Yamamoto K, Ohmichi M, Narumi Y (December 2018). "Diversity of imaging features of ovarian sclerosing stromal tumors on MRI and PET-CT: a case report and literature review". J Ovarian Res. 11 (1): 101. doi:10.1186/s13048-018-0473-1. PMC 6302382. PMID 30572921.
- ↑ Stein EB, Wasnik AP, Sciallis AP, Kamaya A, Maturen KE (August 2017). "MR Imaging-Pathologic Correlation in Ovarian Cancer". Magn Reson Imaging Clin N Am. 25 (3): 545–562. doi:10.1016/j.mric.2017.03.004. PMID 28668159.