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Difference between revisions of "Neuropathology"
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→Non-tumour: +colloid cyst
m (→General) |
(→Non-tumour: +colloid cyst) |
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Notes: | Notes: | ||
*Changes in CA1 & CA4 of the hippocampus - DDx: | *Changes in CA1 & CA4 of the hippocampus - DDx: | ||
**[[Epilpsy]]. | |||
**[[Dementia]]. | |||
**[[ | |||
** | |||
==Cerebrovascular accident== | ==Cerebrovascular accident== | ||
| Line 658: | Line 635: | ||
Also see: ''[[Sturge-Weber syndrome]]''. | Also see: ''[[Sturge-Weber syndrome]]''. | ||
=Cysts= | |||
===General=== | |||
*All are "benign", but some may be fatal due to spatial constraints. | |||
===List of cysts=== | |||
*Colloid cyst. | |||
**Columnar epithelium. | |||
*Arachnoid cyst - considered precursor of meningioma. | |||
**[[Psammoma bodies]]. | |||
**Clumps of cells. | |||
**Whorled pattern. | |||
*Dermoid cyst. | |||
**Skin + adnexal structures. | |||
**... think of ovarian dermoid. | |||
*Epidermoid. | |||
*Choriod cyst. | |||
*Neuroenteric cyst. | |||
**Foregut cyst with connection to dura.<ref>URL: [http://bhj.org/journal/2003_4502_april/neurentericcyst_373.htm http://bhj.org/journal/2003_4502_april/neurentericcyst_373.htm]. Accessed on: 19 December 2011.</ref> | |||
***Gastrointestinal tract epithelium. | |||
***Usually seen with vertebral anomalies. | |||
*Epithelial cyst. | |||
*Others. | |||
==Colloid cyst== | |||
===General=== | |||
Classic presentation:<ref name=pmid15228889>{{Cite journal | last1 = Spears | first1 = RC. | title = Colloid cyst headache. | journal = Curr Pain Headache Rep | volume = 8 | issue = 4 | pages = 297-300 | month = Aug | year = 2004 | doi = | PMID = 15228889 }}</ref> | |||
*Headache - may be relieved by lying down. | |||
*Can cause [[sudden death]].<ref name=pmid14716130>{{Cite journal | last1 = Kava | first1 = MP. | last2 = Tullu | first2 = MS. | last3 = Deshmukh | first3 = CT. | last4 = Shenoy | first4 = A. | title = Colloid cyst of the third ventricle: a cause of sudden death in a child. | journal = Indian J Cancer | volume = 40 | issue = 1 | pages = 31-3 | month = | year = | doi = | PMID = 14716130 }}</ref> | |||
===Gross=== | |||
*Classically in the third ventricle. | |||
===Microscopic=== | |||
Features:<ref name=pmid11003281>{{Cite journal | last1 = Armao | first1 = D. | last2 = Castillo | first2 = M. | last3 = Chen | first3 = H. | last4 = Kwock | first4 = L. | title = Colloid cyst of the third ventricle: imaging-pathologic correlation. | journal = AJNR Am J Neuroradiol | volume = 21 | issue = 8 | pages = 1470-7 | month = Sep | year = 2000 | doi = | PMID = 11003281 }}</ref> | |||
*Simple epithelium with ciliated cells and goblet cells. | |||
Images: | |||
*[http://commons.wikimedia.org/wiki/File:Colloid_Cyst_HE_40x.jpg Colloid cyst (WC)]. | |||
*[http://www.ajnr.org/content/21/8/1470/F4.expansion.html Colloid cyst (ajnr.org)].<ref name=pmid11003281/> | |||
=Paediatric pathology= | =Paediatric pathology= | ||