Application of Radiology Techniques and Technologies in Forensic Investigations

Application of Radiology Techniques and Technologies in Forensic Investigations

Raghvendra Kumar Vidua (AIIMS Bhopal, Madhya Pradesh, India)
Copyright: © 2014 |Pages: 10
DOI: 10.4018/IJUDH.2014100104


Forensic radiology is a specialized area of medical imaging which is used for the purpose of evaluation by the forensic experts, physicians, pathologists and anthropologists in cases related with the law. The imaging technologies and techniques can be potential and powerful tools in solving the medico legal cases in the field of Forensic Medicine & Toxicology. Here Forensic experts evaluate the medico legal cases by effectively utilizing their knowledge and experience of recent radiological techniques and technologies. In this article along with the brief history, different modalities of Radiology which have various applications in medico legal investigations with certain advantages and disadvantages, record keeping of data produced, the safety aspects of these technologies, economical aspect of using them along with its current status in a global perspective and its future role and challenges have been discussed.
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The different modalities in Radiology which may be applied in the forensic investigations are:

  • X-Ray: A basic technique which can be used for locating and retrieving foreign bodies like firearms bullets, broken glass pieces, knife in cases of stab wounds, bone age estimation, identification of person through superimposition technique.

  • Fluoroscopy: It has a place of use for detection of stents, medical instruments, gauze pieces and other foreign bodies in cases of medical negligence.

  • Nuclear Medicine Scan: Can detect radioactive substances in cases of radioactive poisoning.

  • CT & MRI: Can be effectively used for detection of fractures, hematoma/internal hemorrhages, extent and dimension of injuries and Virtopsy. In recent years, MDCT (multi-detector computed tomography) has become more popular in forensic work. MRI is superior to CT in detecting sub acute and chronic extra cerebral bleeding &deep cerebral injuries.

  • Dental Imaging: It is done for identification and age estimation of a person and evaluation of injuries to teeth as well as by teeth.

  • Angiography and Venography: These type of techniques can be used for identifying cause of death in cases of stroke, heart attack, intraventricular/ intracranial bleeding.

  • Ultrasound: Can detect haematomas, occult injuries and extent of injuries.

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