Rhabdomyosarcoma MRI: Difference between revisions
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[[File:Buttock rhabdomyosarcoma MRI.gif|thumb|center|300px| A 2 year old girl presented with buttock mass with no underlying infection. MRI shows a large and irregular soft tissue mass in medial aspect of the right buttock that is centered on muscle, but crosses into the subcutaenous fat. It is T2 hyperintense, diffusion restricts and enhances peripherally following contrast.[https://radiopaedia.org/ Source: Case courtesy of Dr Jeremy Jones, from Radiopedia]]] | [[File:Buttock rhabdomyosarcoma MRI.gif|thumb|center|300px| A 2 year old girl presented with buttock mass with no underlying infection. MRI shows a large and irregular soft tissue mass in medial aspect of the right buttock that is centered on muscle, but crosses into the subcutaenous fat. It is T2 hyperintense, diffusion restricts and enhances peripherally following contrast.[https://radiopaedia.org/ Source: Case courtesy of Dr Jeremy Jones, from Radiopedia]]] | ||
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[[File:Base of skull rhabdomyosarcoma.gif|thumb|center|300px| A 10 years old girl presented with persistent headaches for several months and an irritating intraoral sensation.Centered on the right middle cranial fossa is a bilobed mass lesion that diffusion restricts and enhances avidly.[https://radiopaedia.org/ Source: Case courtesy of Dr Jeremy Jones, from Radiopaedia]]] | |||
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==References== | ==References== | ||
{{reflist|2}} | {{reflist|2}} | ||
Revision as of 18:27, 6 February 2019
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Rhabdomyosarcoma Microchapters |
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Rhabdomyosarcoma MRI On the Web |
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American Roentgen Ray Society Images of Rhabdomyosarcoma MRI |
Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1];Associate Editor(s)-in-Chief: Shadan Mehraban, M.D.[2]
Overview
MRI is used for for evaluation of primary tumor and its invasion. MRI is used for diagnosis of primary location of rhabdomyosarcoma located in Head and neck, Paraspinal, parameningeal regions, Extremities, and Pelvic tumors. MRI features in rhabdomyosarcoma are characterized by low to intermediate intensity on T1, hyperintense on T2, and considerable contrast enhancement on T1 contrast.
MRI
- MRI is used for for evaluation of primary tumor and its invasion.[1]
- MRI is used for diagnosis of primary location of rhabdomyosarcoma located in:[2][3]
- Head and neck
- Paraspinal
- parameningeal regions
- Extremities
- Pelvic tumors
- MRI findings or rhabdomyosarcoma are:[4]
- T1:
- Low to intermediate intensity
- Hemorrhage areas are poresent in alveolar rhabdomyosarcoma
- T2:
- Hyperintense
- Prominent flow voids are present in extremity lesions of rhabdomyosarcoma
- T1 C+ (Gd):
- Considerable enhancement
- T1:
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References
- ↑ Zhu J, Zhang J, Tang G, Hu S, Zhou G, Liu Y; et al. (2014). "Computed tomography and magnetic resonance imaging observations of rhabdomyosarcoma in the head and neck". Oncol Lett. 8 (1): 155–160. doi:10.3892/ol.2014.2094. PMC 4063592. PMID 24959237.
- ↑ Park K, van Rijn R, McHugh K (2008). "The role of radiology in paediatric soft tissue sarcomas". Cancer Imaging. 8: 102–15. doi:10.1102/1470-7330.2008.0014. PMC 2365455. PMID 18442956.
- ↑ Zhang ZH, Meng QF, Chen YM (2007). "[MRI and CT diagnosis of rhabdomyosarcoma in the extremities:a report of nine cases]". Ai Zheng. 26 (9): 1001–4. PMID 17927861.
- ↑ "Imaging of Soft Tissue Tumors - Mark J. Kransdorf, Mark D. Murphey - Google Books".