====== Intraventricular Tumor Differential Diagnosis ====== see also [[Intraventricular Tumor Diagnosis]] ---- {{rss>https://pubmed.ncbi.nlm.nih.gov/rss/search/1-SjSZJSoHBDsnFwjKzjn3iFIom5pDJNi6ZY8B0Q3kmvOK69sW/?limit=15&utm_campaign=pubmed-2&fc=20230322065238}} Neoplasms of the ventriĀ­cular wall and [[septum pellucidum]] ---- [[Ependymoma Differential Diagnosis]] [[Subependymoma Differential Diagnosis]] [[Central neurocytoma Differential Diagnosis]] [[Subependymal Giant Cell Astrocytoma Differential Diagnosis]] ---- Neoplasms of the [[choroid plexus]] see [[Choroid plexus tumor]]s ---- [[Medulloblastoma]] [[Intraventricular Meningioma]] [[Chordoid glioma]] [[Rosette forming glioneuronal tumor]] [[Central nervous system lymphoma]] [[Intraventricular Metastases]] ((Muly S, Liu S, Lee R, Nicolaou S, Rojas R, Khosa F. MRI of intracranial intraventricular lesions. Clin Imaging. 2018 Aug 1;52:226-239. doi: 10.1016/j.clinimag.2018.07.021. [Epub ahead of print] Review. PubMed PMID: 30138862. )). MR [[spectroscopy]] (MRS) can be useful in characterizing [[intraventricular tumor]] and distinguishing CNCs from meningiomas and other intraventricular tumors ((Shah T, Jayasundar R, Singh VP, Sarkar C. In vivo MRS study of intraventricular tumors. J Magn Reson Imaging. 2011 Nov;34(5):1053-9. doi: 10.1002/jmri.22711. Epub 2011 Aug 23. PubMed PMID: 22002756. )). ---- Intraventricular Vascular Lesion ((Lv H, Wang X. Space-occupying Intraventricular Vascular Lesion in Tuberous Sclerosis Complex. Neurologist. 2022 Jan 26. doi: 10.1097/NRL.0000000000000415. Epub ahead of print. PMID: 35081607.)) **In adults, and depending on location, consider**: [[Choroid plexus papilloma]], [[metastasis]], [[cysticercosis]]. [[Intraventricular ependymoma]] [[Intraventricular meningioma]] [[Subependymoma ]] [[Central neurocytoma]] exophytic glioma [[Papillary ependymoma]] is a rare variant of ependymoma and often gives rise to confusion with [[choroid plexus papilloma]] because of topographic, light microscopic and ultrastructural similarities.