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Human ecchinococcosis also known as hydatid disease is a zoonotic infection caused by the tapeworm Ecchinococcus with 2-3 Million cases worldwide. We hereby report a 6 years period study of Sudden death due to hydatidosis aiming to analyze the epidemiological criteria, death circumstances, and autopsy observations attributed to hydatid disease. During the past 6 years, 26 death cases were due to hydatid disease. Our analysis shows that the sex ratio (M/F) was 1.6, the mean age was 31-year old, and 65% of the subjects lived in rural places. In 17 cases, death occurred in the victim's place, five victims died after a heavy exercise, and in two cases, death occurred immediately after trauma. At autopsy, 91% of the cysts were found in the liver. In three cases, death followed a septic state, and in two cases, it followed an acute respiratory failure. Death was attributed to anaphylaxis in 17 cases.

The laryngeal cartilages undergo age changes, including mineralization and ossification. Keen and Wainwright defined, in male and female subjects, recognizable stages of radiopacity of the thyroid, cricoid, and arytenoid cartilages. The present study analyzed quantitatively the degree of laryngeal radiopacity to determine whether radiography of the larynx can be used routinely in forensic pathology to estimate age at death. In each of 82 subjects, the larynx was removed during forensic autopsy and subjected to radiography in an anteroposterior orientation. Each radiograph was independently scored by two observers. For each case, the degree of laryngeal radiopacity was evaluated according to the classification of Keen and Wainwright. There was a positive correlation between the total score of laryngeal radiopacity and age (correlation coefficient = 0.74). It was concluded that this method is simple, fast, and nondestructive and has a good reproducibility between observers. Because there was a wide interindividual variability in the same age class, this method must be associated with more accurate methods.

A retrospective study was carried out on 58 fatalities due to stab or incised wounds. The frequency of bone or cartilage lesions was analysed according to the number of wounds, the circumstances of death and the anatomical site. Our findings showed that bone/cartilage lesions were present in about 53% of the cases. Cartilage lesions were more frequent than bone lesions. The mean number of wounds in the group with bone/cartilage lesions was statistically higher than the mean number of wounds in the group without lesions (P=0.0068). The main cause of death was thoracic injury in the groups with and without bone/cartilage lesions. In case of skeletal remains, only bone or cartilage lesions allow to diagnose stab or incised wounds. The discovery of these lesions, often of small size, justifies a complete and careful examination of skeletal remains with the help of stereomicroscopy.