Quantification of spheno-occipital synchondrosis fusion in a contemporary Malaysian population

Hisham, Salina; Flavel, Ambika; Abdullah, Nurliza; Noor, Noor Maizura Mohamad; Franklin, Daniel

doi:10.1016/j.forsciint.2017.12.046

Cited by 24 publications

(40 citation statements)

References 32 publications

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“…Age limits were derived from the upper and lower bounds of phase transition distribution using ±1 and ±2 standard deviations (SD), representing 68% and 95% of the prediction intervals, respectively (e.g. ). Table provides prediction intervals for each phase, which represent the probability that an individual will fall into a certain age range while they exhibit the morphology of pubic symphysis face of a given phase.…”

Section: Resultsmentioning

confidence: 99%

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Quantification of Pubic Symphysis Metamorphosis Based on the Analysis of Clinical MDCT Scans in a Contemporary Malaysian Population

Hisham

Abdullah

Noor

et al. 2019

Journal of Forensic Sciences

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Forensic age estimation methods are biased to sex and population; in general, accuracy is reduced when applied to foreign populations. This study assessed the accuracy of the Suchey–Brooks method in contemporary Malaysian individuals and aimed to formulate population‐specific standards. Multi‐detector computed tomography scans of 355 individuals (165 male; 190 female) of 15–83 years of age were reconstructed using 3D‐volumetric rendering in RadiAnt. Pubic symphyseal phase, bias, inaccuracy, and percentage correct age classifications are examined. Transition analysis was used to develop age estimation standards. High observer agreement (κ = 0.763–0.832) and a positive relationship between age and pubic symphyseal phase (r = 0.884–0.90) were demonstrated. Mean inaccuracies were 8.62 and 8.95 years for males and females, respectively; overall correct classification was 97.8%. Transition ages between phases in males were 18.79, 23.29, 28.85, 43.64, and 61.15 years; in females, the corresponding data were 19.77, 22.53, 32.62, 41.85, and 57.39 years.

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Section: Resultsmentioning

confidence: 99%

“…The accuracy attributed to age estimation using computed tomography (CT) has been validated through baseline studies (e.g. (8)(9)(10)(11)(12)(13)(14)(15)(16)). Recent research has applied the Suchey-Brooks method in the assessment of the symphysis in CT images (e.g.…”

mentioning

confidence: 99%

Quantification of Pubic Symphysis Metamorphosis Based on the Analysis of Clinical MDCT Scans in a Contemporary Malaysian Population

Hisham

Abdullah

Noor

et al. 2019

Journal of Forensic Sciences

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“…Stosunkowo późne kostnienie chrząstkozrostu klinowo-potylicznego, w porównaniu z innymi chrząstkozrostami podstawy czaszki, ma duże znaczenie dla wzrostu twarzoczaszki i określenia wieku dla potrzeb medycyny sądowej (1)(2)(3)(4)(5)(6)(7)(8)(9). Różne czynniki rozwojowe, socjoekonomiczne i etniczne, a także zróżnicowane metody badań -makroanatomiczne, histologiczne, radiograficzne, CT oraz CBCT -skutkują dużymi rozbieżnościami w ocenie stopnia fuzji i kostnienia chrząstkozrostu klinowo-potylicznego w różnych populacjach.…”

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“…Chrząstkozrost klinowo-potyliczny kostnieje i zamyka się ok. 1-2 lat później u płci męskiej (7,13,15,(17)(18)(19)(20)(21). Bassed i wsp.…”

Section: Dymorfizm Płciowyunclassified

“…Compared to other cranial base synchondroses, the sphenooccipital synchondrosis ossifies relatively late, and therefore it is of great importance for the growth of the facial skeleton and age determination for forensic purposes (1)(2)(3)(4)(5)(6)(7)(8)(9). Due to different developmental, socioeconomic and ethnic factors, as well as various research methods -macro-anatomical, histological, radiographic, CT and CBCT -there are significant discrepancies in the assessment of a degree of fusion and ossification of the spheno-occipital synchondrosis in different populations.…”

Section: Introductionmentioning

confidence: 99%

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Ossification of the spheno-occipital synchondrosis. Literature review

Szpinda-Barczyńska¹,

Perkowski²

2020

for

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Zamykanie chrząstkozrostu klinowo-potylicznego postępuje u obu płci od wewnątrz na zewnątrz czaszki. Stosunkowo późne kostnienie chrząstkozrostu klinowo-potylicznego, w porównaniu z innymi chrząstkozrostami podstawy czaszki, ma olbrzymie znaczenie dla wzrostu twarzoczaszki. Cel. Celem niniejszej pracy jest przedstawienie danych na temat czasu kostnienia chrząstkozrostu klinowo-potylicznego, które uzyskano na podstawie badań makroanatomicznych, CT i CBCT wraz z zaprezentowaniem dymorfizmu płciowego, różnic etnicznych i aspektów klinicznych oraz zademonstrowanie wykorzystania wyników badań w ortodoncji. Materiał i metody. Korzystając z elektronicznych baz danych (Scopus, ScienceDirect, Web of Science, BIOSIS, EMBASE i PubMed), dokonano przeglądu piśmiennictwa z lat 1960-2019 i podsumowano informacje na temat kostnienia chrząstkozrostu klinowo-potylicznego. Zastosowano następujące

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When does the spheno‐occipital synchondrosis close?

McDonald

Miller

2022

Clinical Anatomy

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In forensic work, the spheno‐occipital synchondrosis helps identify the deceased as a child or young adult. In the past, it was generally held that the synchondrosis closed between the late teens and 25 years, but recent studies have suggested closure in adolescence. There are also suggestions that the age at closure recorded might be influenced by ancestry and the technique used to study the joint. This comprehensive review of the literature of the past 60 years concludes that the age of closure of the spheno‐occipital synchondrosis is very variable, from childhood to the mid‐twenties, with no obvious association with the geographical location of the study population. We note that some studies on bony specimens indicated later closure than others using clinical images and draw attention to a possible misinterpretation of the so‐called “fusion scar” which might explain this incongruity. Despite an increasing acceptance that the synchondrosis usually closes in adolescence, we are concerned that insufficient heed is being paid to reports of closure in childhood and in the early to mid‐twenties. We conclude that, for forensic purposes, it is unwise to declare that the synchondrosis closes in adolescence. It would be safer to state that a closed synchondrosis indicates a person 6 years or over and that an open synchondrosis may be seen up to the mid‐twenties. Clearly, for younger individuals, the dentition and, for all individuals in this age range, documentation of unfused postcranial epiphyses would be important in attempting to narrow this very broad estimation of age.

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Quantification of spheno-occipital synchondrosis fusion in a contemporary Malaysian population

Cited by 24 publications

References 32 publications

Quantification of Pubic Symphysis Metamorphosis Based on the Analysis of Clinical MDCT Scans in a Contemporary Malaysian Population

Quantification of Pubic Symphysis Metamorphosis Based on the Analysis of Clinical MDCT Scans in a Contemporary Malaysian Population

Ossification of the spheno-occipital synchondrosis. Literature review

When does the spheno‐occipital synchondrosis close?

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