Gliomatosis cerebri pathophysiology: Difference between revisions
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===Genetics=== | ===Genetics=== | ||
Genes involved in pathogenesis of gliomatosis cerebri include:<ref name="pmid20223351">{{cite journal| author=San Millan B, Kaci R, Polivka M, Robert G, Héran F, Gueguen A et al.| title=[Gliomatosis cerebri: a biopsy and autopsy case report]. | journal=Ann Pathol | year= 2010 | volume= 30 | issue= 1 | pages= 25-9 | pmid=20223351 | doi=10.1016/j.annpat.2009.10.020 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20223351 }} </ref> | Genes involved in pathogenesis of gliomatosis cerebri include:<ref name="pmid20223351">{{cite journal| author=San Millan B, Kaci R, Polivka M, Robert G, Héran F, Gueguen A et al.| title=[Gliomatosis cerebri: a biopsy and autopsy case report]. | journal=Ann Pathol | year= 2010 | volume= 30 | issue= 1 | pages= 25-9 | pmid=20223351 | doi=10.1016/j.annpat.2009.10.020 | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=20223351 }} </ref><ref name="pmid17228264">{{cite journal| author=Ware ML, Hirose Y, Scheithauer BW, Yeh RF, Mayo MC, Smith JS et al.| title=Genetic aberrations in gliomatosis cerebri. | journal=Neurosurgery | year= 2007 | volume= 60 | issue= 1 | pages= 150-8; discussion 158 | pmid=17228264 | doi=10.1227/01.NEU.0000249203.73849.5D | pmc= | url=http://www.ncbi.nlm.nih.gov/entrez/eutils/elink.fcgi?dbfrom=pubmed&tool=sumsearch.org/cite&retmode=ref&cmd=prlinks&id=17228264 }} </ref> | ||
*''[[p53]]'' | *''[[p53]]'' | ||
*''OLIG-2'' | *''OLIG-2'' | ||
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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
Pathophysiology
Pathogenesis
- Gliomatosis cerebri may be classified into primary (de novo) or secondary, with the latter as a result from the spreading of a more focal glioma.
- According to WHO classification of brain tumors, gliomatosis cerebri is classified into grade 2 or grade 3 tumors.
Genetics
Genes involved in pathogenesis of gliomatosis cerebri include:[1][2]
- p53
- OLIG-2
- Ki-67
- Chromosome 7q
- Chromosome 10q
- Chromosome 13q
Associated Conditions
Gliomatosis cerebri may be associated with:[3]
Gross Pathology
On gross pathology, gliomatosis cerebri is characterized by:[3]
- Diffuse, usually astrocytic growth pattern
- Involves at least three cerebral lobes
- Bilateral involvement of the cerebral hemispheres, deep gray matter, brainstem, or cerebellum
Microscopic Pathology
On microscopic histopathological examination, gliomatosis cerebri is characterized by:[4]
- High cellularity
- Diffuse proliferation of immature glial elements resembling astrocytes, oligodendroglia, or undifferentiated cells
- Nuclear atypia
- Calcification among glial cells
- Microcysts
- Mitotic figures
References
- ↑ San Millan B, Kaci R, Polivka M, Robert G, Héran F, Gueguen A; et al. (2010). "[Gliomatosis cerebri: a biopsy and autopsy case report]". Ann Pathol. 30 (1): 25–9. doi:10.1016/j.annpat.2009.10.020. PMID 20223351.
- ↑ Ware ML, Hirose Y, Scheithauer BW, Yeh RF, Mayo MC, Smith JS; et al. (2007). "Genetic aberrations in gliomatosis cerebri". Neurosurgery. 60 (1): 150–8, discussion 158. doi:10.1227/01.NEU.0000249203.73849.5D. PMID 17228264.
- ↑ 3.0 3.1 Buis DR, van der Valk P, De Witt Hamer PC (2012). "Subcutaneous tumor seeding after biopsy in gliomatosis cerebri". J Neurooncol. 106 (2): 431–5. doi:10.1007/s11060-011-0678-2. PMC 3230756. PMID 21837541.
- ↑ Artigas J, Cervos-Navarro J, Iglesias JR, Ebhardt G (1985). "Gliomatosis cerebri: clinical and histological findings". Clin Neuropathol. 4 (4): 135–48. PMID 4053456.