Leiomyosarcoma MRI: Difference between revisions
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__NOTOC__ | __NOTOC__ | ||
{{Leiomyosarcoma}} | {{Leiomyosarcoma}} | ||
{{CMG}}{{AE}} {{ | {{CMG}}{{AE}} {{Nnasiri}} | ||
==Overview== | ==Overview== | ||
MRI is | [[MRI]] is usefull diagnostic tool for detecting tumor's spread to [[lymph nodes]] or internal organs in [[pelvic]] or [[abdomen]], it also has a valuable role in follow-up for the evaluation for [[tumor]] recurrence. Findings on [[MRI]] of patients with leiomyosarcoma can be heterogenous [[mass]] with irregular borders. | ||
== MRI == | == MRI == | ||
On T1-weighted images of [[MRI]], leiomyosarcomas has the following descriptions: | |||
* large infiltrating myometrial [[mass]] of heterogeneous hypointensity with irregular margins. | |||
On T2-weighted images, [[tumor]]<nowiki/>s have the following features: | |||
* Intermediate-to-high signal intensity, with central hyperintensity indicative of extensive [[necrosis]]. | |||
* [[Hemorrhage]] is common and [[calcification]] may be present.<ref name="pmid3750612">Bretan PN, Williams RD, Hricak H (1986) [https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&retmode=ref&cmd=prlinks&id=3750612 Preoperative assessment of retroperitoneal pathology by magnetic resonance imaging. Primary leiomyosarcoma of inferior vena cava.] ''Urology'' 28 (3):251-5. PMID: [https://pubmed.gov/3750612 3750612]</ref> | |||
==References== | ==References== | ||
Latest revision as of 14:27, 15 March 2019
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Leiomyosarcoma Microchapters |
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Treatment |
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Case Studies |
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Leiomyosarcoma MRI On the Web |
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American Roentgen Ray Society Images of Leiomyosarcoma MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Nima Nasiri, M.D.[2]
Overview
MRI is usefull diagnostic tool for detecting tumor's spread to lymph nodes or internal organs in pelvic or abdomen, it also has a valuable role in follow-up for the evaluation for tumor recurrence. Findings on MRI of patients with leiomyosarcoma can be heterogenous mass with irregular borders.
MRI
On T1-weighted images of MRI, leiomyosarcomas has the following descriptions:
- large infiltrating myometrial mass of heterogeneous hypointensity with irregular margins.
On T2-weighted images, tumors have the following features:
- Intermediate-to-high signal intensity, with central hyperintensity indicative of extensive necrosis.
- Hemorrhage is common and calcification may be present.[1]
References
- ↑ Bretan PN, Williams RD, Hricak H (1986) Preoperative assessment of retroperitoneal pathology by magnetic resonance imaging. Primary leiomyosarcoma of inferior vena cava. Urology 28 (3):251-5. PMID: 3750612