Related Experiment Video
Updated: Apr 20, 2026
06:03
Use of Electromagnetic Navigational Transthoracic Needle Aspiration E-TTNA for Sampling of Lung Nodules
Published on: May 23, 2015
23.0K
CT-guided percutaneous needle placement in forensic medicine
Hideki Hyodoh1, Jyunya Shimizu1, Keisuke Mizuo1
1Department of Legal Medicine, Sapporo Medical University, School of Medicine, Japan.
Legal Medicine (Tokyo, Japan)
|December 3, 2014
Summary
Forensic CT-guided needle placement enables blood sampling in severely destructed cadavers. This technique reliably accesses vessels when conventional methods fail due to decomposition or burns.
Area of Science:
- Forensic pathology
- Medical imaging
Background:
- Obtaining biological samples from severely decomposed or burned cadavers presents significant challenges for forensic investigations.
- External examination and conventional sampling methods are often compromised in such cases, hindering crucial analyses.
Observation:
- A case involving a severely burned male cadaver required blood sampling for external examination.
- Postmortem computed tomography (CT) identified blood-containing pelvic vessels despite the extensive thermal damage.
Findings:
- A CT-guided needle placement technique was successfully employed to obtain a blood sample from a pelvic vessel.
- This method proved effective, overcoming difficulties with surface markers, table positioning, and depth measurement in the destructed body.
Implications:
- CT-guided needle placement offers a feasible and reliable alternative for biological sample acquisition in challenging forensic scenarios.
- This technique is particularly valuable when samples are at risk of degradation, ensuring critical forensic data can be preserved.
