Remains identification by frontal sinus radiographs.
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Biomedical subjects
Publications and source records attributed to H J Bonnell.
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We studied the livers of 21 children dying a traumatic death or sudden unexpected natural death and found that fatty metamorphosis of the liver appears to be ubiquitous. Therefore, the finding of microvesicular panlobular fatty liver alone does not justify the diagnosis of Reye's syndrome. In fact, because fatty change appears to be so prevalent, previous reports that relied on fatty changes as diagnostic of Reye's syndrome cannot be validated.
This report covers the murder of 13 Oriental adults in Seattle, Washington, on February 19, 1983. The victims were patrons of a local gambling club and were murdered systematically during a robbery. This report highlights the management of multiple homicide victims and illustrates interesting features which were developed during the investigation.
A 47-year-old man, with no significant medical history was found to have a lipoma on the left dorsolateral surface of the rostral pons during autopsy. The cause of death was arteriosclerotic heart disease, with the lipoma being an incidental finding. Neurologic lesions are being found more frequently due to computed tomography; it should also be expected that asymptomatic neurologic lesions will be found more frequently due to expansion of medical examiner systems in the United States.
Correlation of the circumstances of death with the pathologic findings in this prospective study of deaths by hanging affords insight pertaining to certain of the pathophysiologic mechanisms involved in fatalities of this type. The presence of conjunctival and facial/periorbital petechial hemorrhages correlates with increasing levels of body support below the point of ligature suspension. Hyoid bone and/or thyroid cartilage fractures (found in 26% of cases) are most frequently identified in those persons found completely suspended and in victims in the older age ranges. No hyoid bone/thyroid cartilage fractures, internal soft tissue injury, or petechiae were present in 13 (21%) of the study cases.
A procedure for the investigation of surgical/anesthetic deaths is presented which allows for clearly defined jurisdictional assessment and correlates the autopsy and toxicological findings with the pathophysiology of the anesthetic/surgical event. This procedure facilitates an accurate certification of the cause of death in patients who die during surgery and anesthesia.
When death is delayed after injury, blood collected from sequestered hematomas (subdural, epidural, and intracerebral) may reflect the presence of ethanol in the circulating blood at the time of the injury. The authors have examined a series of cases in which such a situation occurred and in which a circulating blood ethanol level was determined shortly after the injury. In essentially all of the cases, the ethanol level in the hematoma was lower than that in the blood sample drawn shortly after the injury. In a group of cases where death occurred immediately, ethanol concentrations in sequestered sites approximated those in blood drawn from the aorta. Possible mechanisms for the decrease in the concentration of ethanol in the sequestered hematomas are discussed.
Fractures of the legs are characteristic injuries in automobile-pedestrian collisions. Typically these occur at the level of the bumper; measurement of the height of these fractures may be used to reconstruct the events surrounding the collision. We report two cases in which the lower leg fractures did not correspond to the bumper, but rather to the top of the boots worn by the pedestrians. In both cases the decedents were wearing boots with lugged soles which provided fixation of the foot and support for the foot and ankle. The mechanism of these injuries is analogous to boot top fractures which occur in skiing accidents.
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Based on reports of hypothyroidism in intensive care unit patients, a preliminary study was instituted in which 40 patients coming to autopsy, with no history of thyroid disease, were studied to include gross and microscopic study of the thyroid gland and the performance of thyroid function tests on all serum specimens submitted within seven days of death. Initial studies show that with the exception of sudden cardiac death, all of the autopsy patients showed evidence of chemical hypothyroxinemia within three days preceding death without any histologic abnormalities of the thyroid gland. Thyroid function tests were subsequently studied of decedents and survivor controls matched for age, sex, disease, and stage of disease if applicable. The findings were similar.