Inclusion Criteria:  Patients who have been attended at the Hospital Parc Taulí for the last 10 years after presenting an intraparenchymal hemorrhage. The patients have had to undergo a computed tomography at the admission and a cranial magnetic resonance during the hospitalization in the time course specified in point in the protocol The patients must present in their clinical story the analytical determinations detailed in the protocol.  Exclusion Criteria:  Intracerebral hemorrhage secondary to head trauma Intracerebral hemorrhage secondary to neoplasm