RESUMEN
Sudden and unexpected deaths due to asymptomatic 5 primary brain tumors are extremely rare, with an incidence that ranges from 0.16 to 3.2%. Usually, such tumors are glioblastomas or, less commonly, astrocytomas. Asymptomatic oligodendrogliomas causing sudden death are hardly ever reported among medico-legal investigated cases.We report a rare case of sudden and unexpected death from a previously asymptomatic and undiagnosed, well-differentiated, grade II oligodendrogloioma (WHO classification). According to the autopsy and the microscopic findings brain edema as a result of obstruction of the cerebrospinal fluid flow due to hemorrhagic leakage of the oligodendroglioma is incriminated as the most probable physiopathological mechanism for the sudden death. Diagnosis is mainly based on the special microscopic features of the tumor cells (typical "fried-egg" appearance), interrupted by a dense network of branching capillaries. We discuss further the pathophysiological mechanisms of death and present a short review of literature.
Asunto(s)
Neoplasias Encefálicas/patología , Muerte Súbita/etiología , Oligodendroglioma/patología , Adulto , Enfermedades Asintomáticas , Patologia Forense , Humanos , Hemorragias Intracraneales/patología , Pulmón/patología , Masculino , Miocardio/patología , Tamaño de los Órganos , Edema Pulmonar/patologíaRESUMEN
The death of a female anaesthesiologist is reported. Although the situation at the scene indicated propofol overdose-related death, self-administration of such high doses of propofol was unlikely, given the pharmacological properties of this drug. The analysis of the situation at the scene and the toxicological analysis in which the blood and liver propofol concentrations were 2.40microg/ml and 0.56microg/g, respectively, supported the conclusion that the death was a consequence of propofol self-administration at therapeutic doses from a person who used the drug on chronic basis seeking to its euphoric effects. However, because the toxic concentrations of propofol in non-intubated patients may be different from those intubated and fully supported in the operating room or in the intensive care unit, a mere interpretation of the blood and tissue concentrations of propofol in the toxicological analysis can confirm the drug intake but it may be of limited diagnostic significance without taking into account this difference.