Subependymoma
- Grade 1 tumors that often present with symptomatic obstructive hydrocephalus; prior to ventricle obstruction, patients are often asymptomatic, thus these tumors are often found incidentally at autopsy. They behave far less aggressively than their ependymoma counterparts.
- Subepenymomas have a lobular/nodular appearance on radiographic imaging and histopathological section.
- They are firm, multilobulated tumors that develop within the ventricles and thus can obstruct its outflow.
References
- Adesina, Adekunle M., Tarik Tihan, Christine E. Fuller, and Tina Young Poussaint. Atlas of Pediatric Brain Tumors. Springer, 2016.
- Louis, David N., Arie Perry, Guido Reifenberger, Andreas von Deimling, Dominique Figarella-Branger, Webster K. Cavenee, Hiroko Ohgaki, Otmar D. Wiestler, Paul Kleihues, and David W. Ellison. “The 2016 World Health Organization Classification of Tumors of the Central Nervous System: A Summary.” Acta Neuropathologica 131, no. 6 (June 1, 2016): 803–20. https://doi.org/10.1007/s00401-016-1545-1.
- Molavi, Diana Weedman. The Practice of Surgical Pathology: A Beginner’s Guide to the Diagnostic Process. Springer Science & Business Media, 2008.
- Orkin, Stuart H., David E. Fisher, A. Thomas Look, Samuel Lux, David Ginsburg, and David G. Nathan. Oncology of Infancy and Childhood E-Book. Elsevier Health Sciences, 2009.