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  • Title: [Healed fractures of the larynx and lingual bone in forensic autopsy].
    Author: Maxeiner H.
    Journal: Arch Kriminol; 1999; 203(5-6):175-83. PubMed ID: 10418669.
    Abstract:
    Laryngohyoid fractures are a frequently investigated matter, especially in the forensic literature. On the other hand, there are only very few (old) forensic reports of such fractures in survived cases. However, healed fractures are not seldom found in forensic autopsies: In a personal series of 1160 forensic autopsies (adult persons) a careful dissection of the laryngohyoid complex was done by 1 investigator. Only a macroscopic examination of the cartilages was carried out; radiographs and histological slices were not regularly made. Therefore only a part of existing old fractures is detectable; for example, healed fissures are not visible with this simple method. Furthermore, asymmetries of the thyroid laminae cannot be declared as posttraumatic without additional examination, because this condition is described as possible anatomic anomaly. From that, the injury frequencies presented here only mark the lower threshold of the existence of such findings. Healed fractures of the upper thyroid horns and the major hyoid horns can be easily detected even in a routine examination, if healing resulted in a fixed dislocation or apposition of bone surrounding the former fracture site. In the present series, this was the predominant localization of old fractures: the upper thyroid horns (43 cases), followed by the hyoid cornua (12 cases), a combination of both sites (5) and cricoid fractures (5). Of the total 65 healed fractures (5.6%), 35 were found in the group of 290 chronic alcoholics (12.1%) and only 3.4% in non-alcoholics. In the subgroup of middle-aged alcoholics, the fracture rate increased up to 19%. However, this group did not present a higher rate of fresh laryngohyoid injuries (not related to strangulation) than the other cases. The old fractures probably resulted from minor "daily" injuries (like falls), which are common, especially in chronic alcoholics. The frequency of such findings should be in mind if an apparently fresh fracture, found in an actual autopsy, should be related to the cause of death: there is a real chance, that this fracture occurred prior, and without causal connection to the factors resulting in death. Therefore a histological examination of the age of this finding is necessary. Cricoid fractures are quite uncommon, except in serious external neck trauma. In 1 of our 5 cases, this fracture was caused by repeated cruelty, finally resulting in death.
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