Lobar intracerebral hemorrhage

Case contributed by Dr Mark Rodrigues

Presentation

Found collapsed, unresponsive, GCS 4

Patient Data

Age: 80 years
Gender: Female
CT

Large right sided intracerebral hematoma.  It involves both deep and lobar structures (frontal lobe, anterior basal ganglia).  Its epicenter is within the right frontal lobe.  There is intraventricular extension but no subarachnoid hemorrhage. The hematoma has a regular contour.

There is significant mass effect relating to the hematoma causing midline shift, compression of the ipsilateral lateral ventricle and third ventricle and effacement of ipsilateral cortical sulci. There is dilatation of the temporal horns of the lateral ventricles in keeping with hydrocephalus.

Severe periventricular low attenuation probably in keeping with small vessel disease +/- transependymal CSF spread.  Mild cortical atrophy.

Case Discussion

Large right intracerebral hemorrhage.  It involves both the deep and lobar structures, causes significant mass effect and extends into the subarachnoid space.

 

Identifying whether an ICH is lobar or deep is important as this in part determines the likely underlying etiology as well as the prognosis (deep ICH are usually related to hypertensive arteriopathy, whereas lobar ICH can be due to hypertensive arteriopathy or cerebral amyloid angiopathy, which has a higher recurrent ICH rate). In cases such as this one, establishing whether an ICH is lobar or deep is difficult.

 

The Cerebral Hemorrhage Anatomical RaTing inStrument (CHARTS) is a recently published research tool which aims to improve observer agreement. The epicenter of this hemorrhage (axial slice with the biggest ICH diameter) is within the right frontal lobe, so this hemorrhage would be classified as "uncertain but probably lobar".

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PATHOLOGY

The patient died 4 days after the ICH and underwent a post mortem. This showed an acute, extensive right frontal intracerebral hemorrhage with intraventricular hemorrhage. There is small vessel disease.  There is no amyloid angiopathy on immunohistochemistry

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Case information

rID: 58779
Published: 6th Mar 2018
Last edited: 14th Aug 2019
Inclusion in quiz mode: Included
Institution: University of Edinburgh

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