Inference on Injury Mechanism of Ankle Fracture by Lauge-Hansen Classification / 法医学杂志

OBJECTIVES@#To explore the injury mechanism of ankle fracture inferred by the Lauge-Hansen classification with the application of medical imageology and its application value in forensic medicine.@*METHODS@#A total of 32 ankle fracture cases with known injury mechanism were collected from January 2013 to May 2018, which were identified in Yongkang Public Security Bureau, Zhejiang Province. The Lauge-Hansen classification of ankle fracture was performed by three forensic experts based on the data of X-ray and CT image. Fisher's exact test and Kappa consistency analysis were performed by SPSS 20.0 statistical software to compare the results of the Lauge-Hansen classification with the injury mechanism of ankle fracture obtained through the criminal evidence.@*RESULTS@#In 32 cases, 84.4% （27/32） ankle fractures were classified according to the Lauge-Hansen classification based on medical imaging. The mechanism of ankle fracture identified by the Lauge-Hansen classification was consistent with that obtained through the criminal evidence.@*CONCLUSIONS@#Based on medical imaging, the Lauge-Hansen classification can be well applied to infer the injury mechanism of ankle fracture in part cases, and provide objective evidence for the crime scene reconstruction of criminal cases.

Study on pelvic injury mechanisms in road traffic fatalities according to Young-Burgess classification / 法医学杂志

OBJECTIVE@#To explore the pelvic injury mechanisms in road traffic fatalities (RTFs) according to Young-Burgess classification and its practical value in forensic medicine.@*METHODS@#Retrospective study was performed on pelvic X-ray radiographs of adult RTFs outside the automobiles in 128 cases. Pelvic injury mechanisms were investigated according to Young-Burgess classification and then were analyzed statistically combined with the real circumstance.@*RESULTS@#The accuracy of pelvic injury mechanism identification using APC subtype (94.1%) and LC subtype (92.9%) were significantly higher than that without using subtypes (63.6% and 70.7%) (P<0.05). LC subtype was helpful to discriminate the direction of force, for example the rear lateral force, anterior lateral force or continuous anterior lateral force.@*CONCLUSION@#Young-Burgess classification discriminated by various methods of medical imaging may be helpful to study the pelvic injury mechanisms and provide reliable reference for road traffic accidents reconstruction.

Method selection from medical imaging examinations in evaluation of pelvic injury in forensic medicine / 法医学杂志

OBJECTIVE@#To table a proposal for select using the medical imaging methods to evaluate pelvic injury in forensic field, by studying the structure of pelvis and radiological methods in common use.@*METHODS@#A study of several cases of pelvic injury was done, in which biomechanics and classification of pelvic injury were analyzed, moreover imaging methods were compared with each other, such as fluoroscopy, X-ray photography, computerized tomography (CT) and so on.@*RESULTS@#Four cases of pelvic injury are all multiple injuries, confirmed by X-ray photography and CT examination approvingly.@*CONCLUSIONS@#Authors advocate that pelvic injury mechanism and biomechanics should be considered accordingly, multiple injuries should be attracted notice, so as to select suitable imaging methods to evaluate pelvic injury exactly.

Analysis on 27 autopsy cases died of anaphylactic shock induced by mainline / 法医学杂志

27 autopsy cases died of anaphylactic shock induced by mainline during 1996-2005 were selected and analyzed. The results showed that most anaphylactic shock induced by mainline were rapid type and more easily happened in individual clinique and lawless clinique, and it could be arisen by either antibiotics or non-antibiotics. In some cases, there may be no pathologic findings by autopsy. So, all the materials must be taken into account for determination the anaphylactic shock, such as drugs, clinic symptom, autopsy findings, and so on.

Determination of the hemoglobin in poisoned blood by spectrophotometery / 法医学杂志

OBJECTIVE@#In order to establish a objective method of analysis in the case of sulfured hydrogen poison.@*METHODS@#The sulfured hemoglobin of the biomaterials(blood) were investigated by the spectrophotometry.@*RESULTS@#Results showed that sulfured hemoglobin had a specific absorbance peak at 612 nm, it is a linear relationship about the absorbancity to the concentration of sulfured hemoglobin.@*CONCLUSION@#It is possible to mark the poison degree by the spectrophotometery.