Astroblastoma: diffusion MRI, and proton MR spectroscopy
A patient with grade II astroblastoma is reported. The tumor revealed an inhomogenous enhancement pattern on T1-weighted images after contrast medium. It contained cyst-like structures with high signal in FLAIR images, consistent with presence of viscous material. In spectroscopy, NAA was decreased,...
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| Veröffentlicht in: | Computerized medical imaging and graphics 2002-05, Vol.26 (3), p.187-191 |
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| description | A patient with grade II astroblastoma is reported. The tumor revealed an inhomogenous enhancement pattern on
T1-weighted images after contrast medium. It contained cyst-like structures with high signal in FLAIR images, consistent with presence of viscous material. In spectroscopy, NAA was decreased, and Cho was increased. Peaks belonging to lipids and a combined broad peak belonging to myoinositol and glycine were noticed. In diffusion MRI, the mean apparent diffusion coefficient (ADC) value of intratumoral cyst-like structures was 2.12×10
−3
mm
2/s less than that of CSF. The matrix of the tumor had lower ADC values ranging from 1.19 to 1.25×10
−3
mm
2/s, higher than that of normal cerebral parenchyma. |
| doi_str_mv | 10.1016/S0895-6111(01)00042-8 |
| format | Article |
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T1-weighted images after contrast medium. It contained cyst-like structures with high signal in FLAIR images, consistent with presence of viscous material. In spectroscopy, NAA was decreased, and Cho was increased. Peaks belonging to lipids and a combined broad peak belonging to myoinositol and glycine were noticed. In diffusion MRI, the mean apparent diffusion coefficient (ADC) value of intratumoral cyst-like structures was 2.12×10
−3
mm
2/s less than that of CSF. The matrix of the tumor had lower ADC values ranging from 1.19 to 1.25×10
−3
mm
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T1-weighted images after contrast medium. It contained cyst-like structures with high signal in FLAIR images, consistent with presence of viscous material. In spectroscopy, NAA was decreased, and Cho was increased. Peaks belonging to lipids and a combined broad peak belonging to myoinositol and glycine were noticed. In diffusion MRI, the mean apparent diffusion coefficient (ADC) value of intratumoral cyst-like structures was 2.12×10
−3
mm
2/s less than that of CSF. The matrix of the tumor had lower ADC values ranging from 1.19 to 1.25×10
−3
mm
2/s, higher than that of normal cerebral parenchyma.</description><subject>Astroblastoma</subject><subject>Biological and medical sciences</subject><subject>Brain Neoplasms - diagnosis</subject><subject>Brain Neoplasms - surgery</subject><subject>Child, Preschool</subject><subject>Diffusion-weighted MRI</subject><subject>Echo-Planar Imaging</subject><subject>Female</subject><subject>Humans</subject><subject>Magnetic Resonance Spectroscopy</subject><subject>Medical sciences</subject><subject>Neoplasms, Neuroepithelial - diagnosis</subject><subject>Neoplasms, Neuroepithelial - surgery</subject><subject>Neurology</subject><subject>Proton MR spectroscopy</subject><subject>Tumors of the nervous system. Phacomatoses</subject><issn>0895-6111</issn><issn>1879-0771</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2002</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><recordid>eNqFkF1LwzAUhoMobk5_gtIbRcFqTtq0qTcyhh-DieDHdThNE4j0YzatsH9vthV3KQQOIc85581DyCnQG6CQ3L5TkfEwAYBLCleU0piFYo-MQaRZSNMU9sn4DxmRI-e-PMRoCodkBJCByAQbEzF1XdvkJbquqfAuKKwxvbNNHby8za8DrItg2Tbd5h64pVaedqpZro7JgcHS6ZOhTsjn48PH7DlcvD7NZ9NFqKIMuhAMQ64yUUQsTrmmmscx44KamDP0TzqNtMq5KRhibLAwGgGTnGGcKA_yaEIutnN9jO9eu05W1ildlljrpncyBc79x6gH-RZUPqFrtZHL1lbYriRQuVYmN8rk2oek_qyVSeH7zoYFfV7pYtc1OPLA-QCgU1iaFmtl3Y6LkiSOIPHc_ZbTXseP1a10yupa6cK23pssGvtPlF982Ycj</recordid><startdate>20020501</startdate><enddate>20020501</enddate><creator>Sener, R.N.</creator><general>Elsevier Ltd</general><general>Elsevier Science</general><scope>IQODW</scope><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7X8</scope></search><sort><creationdate>20020501</creationdate><title>Astroblastoma: diffusion MRI, and proton MR spectroscopy</title><author>Sener, R.N.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c391t-1f2a5c98d32475e0e5442580f452a2a5e73ecb5fd2aa4fadfea1a6b2a46c42553</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2002</creationdate><topic>Astroblastoma</topic><topic>Biological and medical sciences</topic><topic>Brain Neoplasms - diagnosis</topic><topic>Brain Neoplasms - surgery</topic><topic>Child, Preschool</topic><topic>Diffusion-weighted MRI</topic><topic>Echo-Planar Imaging</topic><topic>Female</topic><topic>Humans</topic><topic>Magnetic Resonance Spectroscopy</topic><topic>Medical sciences</topic><topic>Neoplasms, Neuroepithelial - diagnosis</topic><topic>Neoplasms, Neuroepithelial - surgery</topic><topic>Neurology</topic><topic>Proton MR spectroscopy</topic><topic>Tumors of the nervous system. Phacomatoses</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Sener, R.N.</creatorcontrib><collection>Pascal-Francis</collection><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>MEDLINE - Academic</collection><jtitle>Computerized medical imaging and graphics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Sener, R.N.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Astroblastoma: diffusion MRI, and proton MR spectroscopy</atitle><jtitle>Computerized medical imaging and graphics</jtitle><addtitle>Comput Med Imaging Graph</addtitle><date>2002-05-01</date><risdate>2002</risdate><volume>26</volume><issue>3</issue><spage>187</spage><epage>191</epage><pages>187-191</pages><issn>0895-6111</issn><eissn>1879-0771</eissn><abstract>A patient with grade II astroblastoma is reported. The tumor revealed an inhomogenous enhancement pattern on
T1-weighted images after contrast medium. It contained cyst-like structures with high signal in FLAIR images, consistent with presence of viscous material. In spectroscopy, NAA was decreased, and Cho was increased. Peaks belonging to lipids and a combined broad peak belonging to myoinositol and glycine were noticed. In diffusion MRI, the mean apparent diffusion coefficient (ADC) value of intratumoral cyst-like structures was 2.12×10
−3
mm
2/s less than that of CSF. The matrix of the tumor had lower ADC values ranging from 1.19 to 1.25×10
−3
mm
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| language | eng |
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| source | MEDLINE; Access via ScienceDirect (Elsevier) |
| subjects | Astroblastoma Biological and medical sciences Brain Neoplasms - diagnosis Brain Neoplasms - surgery Child, Preschool Diffusion-weighted MRI Echo-Planar Imaging Female Humans Magnetic Resonance Spectroscopy Medical sciences Neoplasms, Neuroepithelial - diagnosis Neoplasms, Neuroepithelial - surgery Neurology Proton MR spectroscopy Tumors of the nervous system. Phacomatoses |
| title | Astroblastoma: diffusion MRI, and proton MR spectroscopy |
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