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CODE:1127
 

IDENTIFICATION OF UNKNOWN BODIES BY USING CT IMAGES OF FRONTAL SINUS

 

 

Tatlisumak E, Yilmaz G, Aslan A, Asirdizer M, Zeyfeoglu Y, Tarhan S.

 

Forensic Science International, 2007; 166(1): 42-8.

 

 

ABSTRACT

 

The aim of the study was to define a simple system for the identification of unknown bodies by using CT images of frontal sinus and to discuss whether it was worth to add measurements to the system or not. The system was including simple features as F (presence or absence of frontal sinus), S (intersinus and intrasinus septum) and S (scalloping), and named as FSS system. Measurements selected for the study were width, height, anteroposterior length, total width of two sinuses, the distance between the highest points of the two sinuses and the distance of each sinus to its maximum lateral limit.

 

The study was conducted retrospectively on the paranasal CT scans of 100 cases (38 male and 62 female) who had no apparent sinonasal pathology. All the features and measurements were coded according to the system defined by the authors for each case and coded formulas were compared. At least 93% of the formulas could be eliminated for a case by using FSS system. The rate of success was increased to 98% by adding measurements. Contrary to objective criteria of FSS system, measurements were prone to bias. Therefore, in practice success rate would be expected to be lower than calculated.

 

In the study population, instead of making 100 measurements, eliminating the most of the cases with FSS system and later discriminating the rest by pattern matching was seen logical.

 

Keywords: Personal identification; Frontal sinus; CT scan

CITED BY:

 

1. Fairgrieve SI. "Forensic Cremation, Recovery and Analysis. CRC Press, 2007, pp: 164, 196"

2. Tang JP, Hu B, Hu D, Shi M, Yu X, Lai X, Lu Q. "Personal identification by using the frontal sinus of skull radiograph" Journal of Shantou University Medical College. 2007; 20 (4): 197-199-202.

3. Yasar Teke H, Canturk N, Duran S, Canturk G. “Kompüterize tomografide frontal sinüs boyutlarından cinsiyet tespiti”. 3. Ulusal Adli Tıp Kongresi, 17-20 Nisan 2008, Göynük-Antalya. Bildiri Özetleri Kitabı. 2008:45.

4. Blau S, Robertson S, Johnstone M. "Disaster Victim Identification: New Applications for Postmortem Computed Tomography". J Forensic Sci. 2008; 53 (4): 956-61.

5. Jackowski C, Wyss M, Persson A, Classens M, Thali MJ, Lussi A. "Ultra-high-resolution dual-source CT for forensic dental visualization-discrimination of ceramic and composite fillings". Int J Legal Med. 2008; 122(4):301-7.

6. Cameriere R, Ferrante L,  Molleson T, Brown B. "Frontal sinus accuracy in identification as measured by false positives in kin groups". J Forensic Sci. 2008; 53(6): 1280-2.

7. Salada JRadiographic Comparisons of the Frontal Sinus: A Useful Tool in Forensic Identification. Keystone College (Poster Presentation) 2008.

8. Karpisz D. "The use of frontal sinus radiographs image analysis as a base of identifying unknown persons. [Komputerowa analiza obrazu RTG zatok cholowych jako podstawa identyfikacji OSB]" Doktoraty Politechniki Krakowskiej. Krakow: 2008; p: 17, 18, 62, 105,107.

9. Tang JP, Hu DY, Jiang FH, Yu XJ. "Assessing forensic applications of the frontal sinus in a Chinese Han population". Forensic Sci Int. 2009; 183(1-3): 104e1-104e3.

10. Da Silva RF, Prado FB, Caputo IGC, Devito KL, Botelho TL, Daruge Jn H. "The forensic importance of frontal sinus radiographs". J Forensic Leg Med 2009; 16(1): 18-23.

11. Cox M, Malcolm M, Fairgrieve SI. "A new digital method for the objective comparison of frontal sinuses for identification". J Forensic Sci. 2009 Jul; 54(4): 761-72.

12. Yaşar Teke H, Hancı İH. "Posteroir-anterior (P-A) kafa grafilerinde frontal sinus değerlendirmesi ile cinsiyet tespiti". Adli Bilimler Dergisi. 2009; 8(3): 22-32.

13. Da Silva RF, Paranhos LR, Martins EC, Fernandes MM, Daruge Junior E. Association of two techniques of frontal sinus radiographic analysis for human identification [Associaçăo de duas técnicas de análise radiográfica do seio frontal para identificaçăo humana (PORTUGUESE)]. RSBO. 2009; 6(3): 310-5.

14. Uthman AT, Al-Rawi NH, Al-Naaimi AS, Tawfeeq AS, Suhail EH. Evaluation of frontal sinus and skull measurements using spiral CT scanning: An aid in unknown person identification. Forensic Sci Int. Available online 22 January 2010. doi:10.1016/j.forsciint.2009.12.064.

15. Renteria AE. Identification of deceased forensic anthropology through the frontal sinuses using computational methods (SPANISH) [Identıfıcacıón de occısos medıante antropología forense de los senos frontales usando métodos computacıonales]. Unıversıdad autónoma de occıdente facultad de ıngenıería área de bıoınstrumentacıón programa ıngenıería bıomédıca. Santıago de calı. 2009.

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