Deep left intracerebral hemorrhage centered on the thalamus.  Its location and background brain features are in keeping with a "hypertensive" (arteriolosclerosis) hemorrhage.

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PATHOLOGY

The patient died 7 days after the ICH and underwent a post mortem.  This showed an extensive left sided hemorrhage which is centered in the posterior basal ganglia and thalamus.  The hemorrhage extends caudally into the left cerebral peduncle and medially into the lateral ventricle.

There is prominent small vessel disease throughout the white matter plus enlarged perivascular space but no lacunar infarcts. Immunohistochemistry shows no significant amyloid angiopathy.