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Simple, Frequent Indicator for Personal Identification-Postmortem and Antemortem Abdominal Computed Tomography Findings of a Charred Body.

NAKAMURA Mami 70753763 IDOTA Nozomi SHINTANI-ISHIDA Kaori HITOSUGI Masahito 90328352 0000-0001-5243-8766 IKEGAYA Hiroshi 滋賀医科大学

2020.03

概要

Postmortem personal identification in forensic science is performed using various methods. However, severely burnt bodies are hard to identify using odontological or skeletal features because of carbonization, and sometimes DNA profiling is impracticable because of the unavailability of the relatives. We present a case of a burn victim found after a house fire. Personal identification was attempted, but the body was heavily charred to the bones and the use of physical appearance was impracticable. There were no known relatives or personal belongings of the deceased for comparison of DNA typing. We obtained a series of abdominal computed tomography (CT) scans taken antemortem and found bilateral multiple renal cysts, left renal artery calcification, and a big right inguinal hernia, which matched the deceased's postmortem CT findings and autopsy findings. To date, studies of identification by CT have acted for a rise in precision, but they require complicated calculation or high graphical methods. Calcification of the arteries or renal cysts seen in our case are very common lesions present in many adults with abundant variation; thus, they may be helpful as simple indicators for identification.

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Figure Legends

Fig. 1 Abdominal post-mortem axial CT image. Acquisition conditions were

120 kV, 250 mA, and 1.25 mm slice thickness. Reading conditions were window

level 60, window width 300. Bilateral renal cysts (arrows) and left renal artery

calcification (triangle) are shown.

Fig. 2 Fist-sized mass of fat tissue with intestine-like content exists in the right

inguinal region (arrow), apart from the bowel extruded from the left abdominal

wall (triangles).

Fig. 3 Abdominal ante-mortem axial CT image. Acquisition conditions were

120 kV, 531 mA. Reading conditions were window level 60, window width 300.

Estimated to be contrast CT, though precise condition information in

unavailable. Bilateral renal cysts (arrows) and left renal artery calcification

(triangle) are shown, as in Fig 1.

Fig. 4 Pelvic ante-mortem axial CT image. Acquisition conditions were 120 kV,

531 mA. Reading conditions were window level 60, window width 300. A right

inguinal hernia containing intestine is shown (arrows).

Figure 1

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Figure 2

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Figure 3

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Figure 4

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Supplemental Data File (doc, pdf, etc.)

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Supplemental Data File (doc, pdf, etc.)

revised manuscript with marks.docx

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