Subependymal giant cell astrocytoma CT
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Editor-In-Chief: C. Michael Gibson, M.S., M.D. [1]Associate Editor(s)-in-Chief: Sujit Routray, M.D. [2]
Overview
CT
Head CT scan may be helpful in the diagnosis of subependymal giant cell astrocytoma. On head CT scan, subependymal giant cell astrocytoma is characterized by:[1]
- Intraventricular mass near the foramen of Monro
- Usually larger than 1 cm
- Iso- or slightly hypoattenuating to grey matter
- Calcification is common
- Hemorrhage
- Accompanying hydrocephalus may be present
- Marked contrast enhancement
Gallery
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![There is an intraventricular mass in the foramem of Monro area, on the left, with contrast enhancement and irregular calcifications. Multiple subependymal calcified nodules are also seem.[2]](/images/7/74/Subependymal_giant_cell_astrocytoma_CT_scan_1.jpg)
There is an intraventricular mass in the foramem of Monro area, on the left, with contrast enhancement and irregular calcifications. Multiple subependymal calcified nodules are also seem.[2]
![There is an intraventricular mass in the foramem of Monro area, on the left, with contrast enhancement and irregular calcifications. Multiple subependymal calcified nodules are also seem.[2]](/index.php/File:Subependymal_giant_cell_astrocytoma_CT_scan_1.jpg)
==Reference==
- ↑ Radiographic CT features of subependymal giant cell astrocytoma. Dr Bruno Di Muzio and Dr Jeremy Jones et al. Radiopaedia 2015. http://radiopaedia.org/articles/subependymal-giant-cell-astrocytoma. Accessed on November 4, 2015
- ↑ Image courtesy of Dr. Paresh K Desai. Radiopaedia (original file here). Creative Commons BY-SA-NC