Drowning models were prepared using sea water and fresh water, experimentally.

All individuals were examined by ante- and post-mortem lung CT according to the time course.

Ground-glass opacity presented in all cases, and also decreased lung aeration from 1 h to 24 h postmortem period.

There was no significant difference in lung pattern on CT during the follow-up period.

Postmortem lung CT could be used as an intra-cadaver documentation tool non-invasively.