Subependymal giant cell astrocytoma CT: Difference between revisions
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{{Subependymal giant cell astrocytoma}} | {{Subependymal giant cell astrocytoma}} | ||
{{CMG}}{{AE}}{{SR}} | {{CMG}}, {{AE}}{{IO}}, {{SR}} | ||
==Overview== | ==Overview== | ||
On head [[Computed tomography|CT]], some of the findings that are suggestive of subependymal giant cell astrocytoma include a heterogenous [[mass]] with uniform post [[contrast]] enhancement, enlargement of the ventricles, and iso- or slightly hypoattenuating to [[grey matter]]. | |||
==CT== | ==CT== | ||
Head CT scan may be helpful in the diagnosis of subependymal giant cell astrocytoma. Findings on CT scan suggestive of/diagnostic of subependymal giant cell astrocytoma include:<ref name="pmid25977907">{{cite journal| author=Jung TY, Kim YH, Jung S, Baek HJ, Lee KH| title=The clinical characteristics of subependymal giant cell astrocytoma: five cases. | journal=Brain Tumor Res Treat | year= 2015 | volume= 3 | issue= 1 | pages= 44-7 | pmid=25977907 | doi=10.14791/btrt.2015.3.1.44 | pmc=4426277 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25977907 }} </ref><ref name="pmid26942030">{{cite journal| author=Stein JR, Reidman DA| title=Imaging Manifestations of a Subependymal Giant Cell Astrocytoma in Tuberous Sclerosis. | journal=Case Rep Radiol | year= 2016 | volume= 2016 | issue= | pages= 3750450 | pmid=26942030 | doi=10.1155/2016/3750450 | pmc=4752974 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26942030 }} </ref><ref name="pmid3791849">{{cite journal| author=Moran V, O'Keeffe F| title=Giant cell astrocytoma in tuberous sclerosis: computed tomographic findings. | journal=Clin Radiol | year= 1986 | volume= 37 | issue= 6 | pages= 543-5 | pmid=3791849 | doi=10.1016/s0009-9260(86)80009-5 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3791849 }} </ref> | Head [[Computed tomography|CT scan]] may be helpful in the [[diagnosis]] of subependymal giant cell astrocytoma. Findings on [[Computed tomography|CT scan]] suggestive of/diagnostic of subependymal giant cell astrocytoma include:<ref name="pmid25977907">{{cite journal| author=Jung TY, Kim YH, Jung S, Baek HJ, Lee KH| title=The clinical characteristics of subependymal giant cell astrocytoma: five cases. | journal=Brain Tumor Res Treat | year= 2015 | volume= 3 | issue= 1 | pages= 44-7 | pmid=25977907 | doi=10.14791/btrt.2015.3.1.44 | pmc=4426277 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=25977907 }} </ref><ref name="pmid26942030">{{cite journal| author=Stein JR, Reidman DA| title=Imaging Manifestations of a Subependymal Giant Cell Astrocytoma in Tuberous Sclerosis. | journal=Case Rep Radiol | year= 2016 | volume= 2016 | issue= | pages= 3750450 | pmid=26942030 | doi=10.1155/2016/3750450 | pmc=4752974 | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=26942030 }} </ref><ref name="pmid3791849">{{cite journal| author=Moran V, O'Keeffe F| title=Giant cell astrocytoma in tuberous sclerosis: computed tomographic findings. | journal=Clin Radiol | year= 1986 | volume= 37 | issue= 6 | pages= 543-5 | pmid=3791849 | doi=10.1016/s0009-9260(86)80009-5 | pmc= | url=https://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=3791849 }} </ref><ref name="BeaumontGodzik2015">{{cite journal|last1=Beaumont|first1=Thomas L.|last2=Godzik|first2=Jakub|last3=Dahiya|first3=Sonika|last4=Smyth|first4=Matthew D.|title=Subependymal giant cell astrocytoma in the absence of tuberous sclerosis complex: case report|journal=Journal of Neurosurgery: Pediatrics|volume=16|issue=2|year=2015|pages=134–137|issn=1933-0707|doi=10.3171/2015.1.PEDS13146}}</ref> | ||
*Round, heterogeneous mass | *Round, heterogeneous [[mass]] | ||
*Uniform post-contrast enhancement | *Uniform post-[[contrast]] enhancement | ||
*Cyst | *[[Cyst]] | ||
*Calcification | *[[Calcification]] | ||
*Iso- or slightly hypoattenuating to grey matter | *Iso- or slightly hypoattenuating to [[grey matter]] | ||
*Enlargement of the ventricles | *Enlargement of the ventricles | ||
*Perilesional edema | *Perilesional [[edema]] | ||
[[File:SEGA CT 1.jpg|400px|thumb|left|Axial brain CT scan showing an intraventricular mass in the right foramen of Monro area, with cystic and solid components and small areas of calcification. There is a contrast enhancement of solid component. Also multiple calcified subependymal nodules are seen [https://radiopaedia.org/cases/subependymal-giant-cell-astrocytoma-associated-with-tuberous-sclerosis?lang=us source:Case courtesy of Dr Ilkhom Nalibaev, <a href="https://radiopaedia.org/">Radiopaedia.org</a>. From the case <a href="https://radiopaedia.org/cases/48054">rID: 48054</a> ]]] | |||
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==References== | ==References== | ||
Latest revision as of 16:47, 7 November 2019
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1], Associate Editor(s)-in-Chief: Ifeoma Odukwe, M.D. [2], Sujit Routray, M.D. [3]
Overview
On head CT, some of the findings that are suggestive of subependymal giant cell astrocytoma include a heterogenous mass with uniform post contrast enhancement, enlargement of the ventricles, and iso- or slightly hypoattenuating to grey matter.
CT
Head CT scan may be helpful in the diagnosis of subependymal giant cell astrocytoma. Findings on CT scan suggestive of/diagnostic of subependymal giant cell astrocytoma include:[1][2][3][4]
- Round, heterogeneous mass
- Uniform post-contrast enhancement
- Cyst
- Calcification
- Iso- or slightly hypoattenuating to grey matter
- Enlargement of the ventricles
- Perilesional edema
References
- ↑ Jung TY, Kim YH, Jung S, Baek HJ, Lee KH (2015). "The clinical characteristics of subependymal giant cell astrocytoma: five cases". Brain Tumor Res Treat. 3 (1): 44–7. doi:10.14791/btrt.2015.3.1.44. PMC 4426277. PMID 25977907.
- ↑ Stein JR, Reidman DA (2016). "Imaging Manifestations of a Subependymal Giant Cell Astrocytoma in Tuberous Sclerosis". Case Rep Radiol. 2016: 3750450. doi:10.1155/2016/3750450. PMC 4752974. PMID 26942030.
- ↑ Moran V, O'Keeffe F (1986). "Giant cell astrocytoma in tuberous sclerosis: computed tomographic findings". Clin Radiol. 37 (6): 543–5. doi:10.1016/s0009-9260(86)80009-5. PMID 3791849.
- ↑ Beaumont, Thomas L.; Godzik, Jakub; Dahiya, Sonika; Smyth, Matthew D. (2015). "Subependymal giant cell astrocytoma in the absence of tuberous sclerosis complex: case report". Journal of Neurosurgery: Pediatrics. 16 (2): 134–137. doi:10.3171/2015.1.PEDS13146. ISSN 1933-0707.