Differential diagnosis of the cause of death (CD) from ischemic cerebral infarction (ICI), hemorrhages of traumatic (HTG) and non-traumatic (HNG) genesis exclude the violent nature of death. The aim of our work was to develop forensic criteria for hemorrhage differentiation of traumatic and non-traumatic genesis and ICI by azimuthal-invariant Mueller-matrix images of linear dichroism of histological sections of brain substance (HBS). For the study were used native sections of HBS from 130 corpses in the case of: death from coronary heart disease – 40 of native sections (group 1 – control); HTG – 30 sections (group 2), ICI – 30 native sections (group 3), HNG – 30 native sections (group 4). Measuring the coordinate allocation meanings of parameters of polarization in the points of microscopic images was carried out at the location of the standard stokes-polarimeter. The effectiveness of intergroup differentiation of samples of deaths from traumatic hemorrhage and ischemic cerebral infarction reaches a satisfactory level and is 76-83%. Efficiency between group differentiation of samples of deaths from nontraumatic and traumatic hemorrhages reaches a satisfactory level and is 75-82%. As for differentiation between ischemic cerebral infarction and nontraumatic hemorrhages thise method is ineffective.
Use of azimuthal-invariant Mueller-matrix images of linear dichroism of histological sections of brain substance for diagnosis of hemorrhage genesis