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Difference between revisions of "Intracranial hematomas"
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re-arr, +epidural
(+Duret) |
(re-arr, +epidural) |
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*Bilateral involvement. | *Bilateral involvement. | ||
*Congested appearance. | *Congested appearance. | ||
==Epidural hematoma== | |||
*[[AKA]] ''epidural hemorrhage'' | |||
===General=== | |||
*Extradural hemorrhage. | |||
*Patient may have lucid interval.<ref name=pmid8319240>{{cite journal |author=Erşahin Y, Mutluer S, Güzelbag E |title=Extradural hematoma: analysis of 146 cases |journal=Childs Nerv Syst |volume=9 |issue=2 |pages=96–9 |year=1993 |month=April |pmid=8319240 |doi= |url=}}</ref> | |||
*Classically due to an injury of the ''middle meningeal artery''. | |||
*Usu. due to trauma. | |||
===Radiology=== | |||
*Biconvex. | |||
==Subdural hematoma== | |||
*[[AKA]] ''subdural hemorrhage''. | |||
*Abbreviated ''SDH''. | |||
===General=== | |||
Where/what: | |||
*Bridging veins in subdural space between the dura and arachnoid mater - injured.<ref name=pmid2058082>{{cite journal |author=Crooks DA |title=Pathogenesis and biomechanics of traumatic intracranial haemorrhages |journal=Virchows Arch A Pathol Anat Histopathol |volume=418 |issue=6 |pages=479–83 |year=1991 |pmid=2058082 |doi= |url=}}</ref> | |||
Why? | |||
*+/-Trauma. | |||
*Elderly, esp. those with cerebral atrophy.<ref>{{Ref PCPBoD8|663}}</ref> | |||
===Gross=== | |||
*Blood in the subdural potential space. | |||
*Crescentic shape. | |||
===Microscopic=== | |||
Features: | |||
*Blood in subdural (potential) space. | |||
==Subarachnoid hematoma== | ==Subarachnoid hematoma== | ||
| Line 73: | Line 103: | ||
===Microscopic=== | ===Microscopic=== | ||
*+/-Hemosiderin-laden macrophages. | *+/-Hemosiderin-laden macrophages. | ||
==Cerebellar white mater predominant petechial hemorrhage== | ==Cerebellar white mater predominant petechial hemorrhage== | ||