[The blunt open injury to the lower extremities resulting from the overextension of the knee joint].

This article reports a case of the blunt open injury to the lower extremities resulting from the overextension of the knee joint that, despite it severity, turned out to be a mere accompanying event of a more serious condition. This case is of great interest in the context of forensic medical expertise by virtue of the apparent discrepancy between the extent of the injury and the circumstances of the accident. Clearly, such discrepancy may influence the reliability of the expert conclusion as regards the evaluation of such injury.

[Clinico-morphological parameters of heroin abuse and pathology connected with it].

Morphological manifestations of narcomania in heroin users are described. Diseases associated with heroin narcomania and causes of death of heroin users are presented. Morphological manifestations at the site of injections and inflammatory reactions in parenchymatous organs are characterized.