Objective: To study the relationship between degradation of marrow DNA and late postmortem interval (PMI).
Methods: Marrow were left on natural condition for 0,1,3,5,7 day after death respectively, Marrow DNA were detected by using Feulgen staining and computerized image analysis.
Results: The content of marrow DNA could be detected till 7 days after death yet.
Conclusion: The degradation of marrow DNA may be used on estimation the late PMI.