Identification of the driver in two-rider motorcycle accidents. Inguinal contusion-laceration as an indication of the driver

In motorcycle accidents involving two riders, medicolegal identification of the driver is necessary when one or both riders die. It is particularly important in the latter case, because the survivor almost always insists that he or she was not driving. One characteristic injury that distinguishes the driver from the passenger is inguinal contusion-laceration (accompanied internally by pelvic fracture). This injury, caused by collision of the pelvis with the fuel tank, identifies the driver.     

Entry barriers and evolution of banking systems: Lessons from the 1980s Canadian western bank failures

Abstract: As federal policy‐makers revise and update the Bank Act, any change should be seen in the context of public policy towards financial institutions in Canada. Rather than being condemned to repeat history, both policy‐makers and potential bank entrepreneurs would be well advised to re‐examine the Report of the Inquiry into the Collapse of the ccb and Northland Bank (August 1986), chaired by the Honourable Willard Z. Estey. Public policy for financial institutions faces the challenge of reconciling competing interests. Since 1867, Canada has experienced a nationally controlled banking system that is highly stable (i.e., few bankruptcies) and that has enabled in‐flows of capital needed for national economic development. The Canadian Commercial Bank failure raised a fundamental challenge to the government's policy agenda. When asked what the government's position should be, the three officials recommended the rescue package. All three participants from the political side advised against it. Future policy must learn the lessons from this important and atypical moment in Canadian financial history. Sommaire: Alors que les decisionnaires federaux revoient et mettent à jour la Loi sur les banques, toute modification devrait être envisagée dans le contexte de la politique gouvernementale visant les institutions financières au Canada. Plutôt que d'être condamnés à répéter les mêmes erreurs, les décisionnaires et les banquiers potentiels feraient bien mieux de réexaminer le Rapport de la commission d'enquête sur la faillite de la Banque commerciale du Canada et la Norbanque (août 1986), présidée par l'honorable Willard Z. Estey. La politique gouvernementale concernant les institutions financières a la tâche difficile de réconcilier des intérêts opposés. Depuis 1867, le Canada connaît un système bancaire contrôléà l'échelle nationale qui est très stable, ayant enregistré peu de faillites, et qui a permis des rentrées de fonds nécessaires au développement économique national. La faillite de la BCC a lancé un défi fonda mental au programme de politique gouvernementale. Lorsqu'on leur a demandé quelle devrait être la position du gouvernement, les trois responsables ont recommandé le programme de renflouement. Les trois participants du secteur politique ont conseillé le contraire. Les futurs décisionnaires doivent tirer des leçons de cet évènement important et exceptionnel dans l'histoire financière canadienne.     

A case of sudden infant death due to massive hemorrhage in primitive neuroectodermal tumor.

A case of the sudden death of a 14-month-old girl due to massive hemorrhage in a primitive neuroectodermal tumor (PNET) is presented along with a review of the relevant literature. PNET is a rare, malignant brain neoplasm occurring predominantly in children.     

Polymerase chain reaction (PCR) amplification and human leukocyte antigen (HLA)-DQ alpha oligonucleotide typing on biological evidence samples: casework experience.

The polymerase chain reaction (PCR) method of specific gene amplification was used in casework to synthesize millions of copies of the polymorphic second exon of the human leukocyte antigen (HLA)-DQ alpha (or DQA1) locus from a variety of evidence samples. The HLA-DQ alpha allelic variants in the amplified deoxyribonucleic acid (DNA) were determined in a rapid non-radioactive test by hybridization to sequence-specific oligonucleotide probes in both the dot-blot and reverse dot-blot formats. This genetic typing system has been subjected to blind proficiency testing; the performance of this test in the analysis of experimentally mixed samples was also evaluated. As of August 1990, over 250 cases have been tested and more than 2000 individual evidence (bloodstains, semen stains, individual hairs, bone fragments, and tissue sections) and reference samples have been analyzed. The first 198 of these cases are summarized in this paper; in 65% of the cases with conclusive results a suspect was included, and in 35%, all suspects were excluded. Individual cases as well as some of the general issues relating to forensic science analysis and this genetic typing system are discussed. The high rate of exclusion reported here combined with the ability of PCR to type old evidence samples suggests the relevance of this genetic test for postconviction review; two cases in which the convicted suspect was excluded are discussed.     

Measuring carbon monoxide content in muscles

A method ist described to determine the CO-content in the tissue of muscles. The prepared tissue is pulverized in a swinging mill at the temperature of liquid nitrogen. Parts of the powder are weighed into headspace vessels. Carbon monoxide ist ejected by a formerly described method and measured gaschromatographically. The Fe-content is determined after an acid disintegration by AAS. Acute intoxications lead to higher CO-contents in heart than in periphere muscles. Chronic exposure to carbon monoxide does not produce these differences.     

Sudden death in angiodysplasia of the gastroesophageal junction.

A 22-year-old Korean soldier, who had received blows to the neck and epigastrium from an officer 10 h earlier, suddenly died after massive hematemesis. He had been in relatively good health except for episodes of blood-tinged vomiting approximately 5 and 7 months prior to this event. Postmortem examination revealed angiodysplasia involving the gastroesophageal junction, and the stomach was distended with blood. No abnormal findings were present around the whole viscera, and the duodenum was free of blood. The pathologic significance of upper gastrointestinal angiodysplasia as a potential source of bleeding and a chronologic correlation between the trauma and bleeding are discussed.