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Featured researches published by Can Pelin.


Journal of Forensic Sciences | 2010

Body Height Estimation from Head and Face Dimensions: A Different Method*

Can Pelin; Ragıba Zağyapan; Canan Yazici; Ayla Kurkcuoglu

Abstract:  As there are cases brought for forensic examination where only the craniofacial region is available, estimation of stature from craniofacial dimensions is without doubt important in forensic cases. The study presented here attempts to estimate stature from craniofacial dimensions in the Turkish population. In the second phase of the study, the correlations between craniofacial dimensions and stature were also evaluated according to different head and face types. All measurements were taken from 286 healthy males with a mean age of 22.71 ± 4.86 years. The sample was then reclassified according to different head and face indexes. For the whole sample, correlation coefficients were low, changing only between 0.012 and 0.229. Thus, no significant increase in correlation coefficients was observed after the samples had been reevaluated according to different head and face types. As a conclusion, craniofacial dimensions are not good predictors for body height for the Turkish population.


Homo-journal of Comparative Human Biology | 2011

Facial soft tissue thickness in individuals with different occlusion patterns in adult Turkish subjects

Ayla Kurkcuoglu; Can Pelin; Barış Özener; Ragıba Zağyapan; Zahira Sahinoglu; Ayse Canan Yazici

Knowledge of variation in facial soft tissue thickness is important for forensic anthropologists, dentists, and plastic surgeons. Forensic anthropologists use such information as a guide in facial reconstruction and superimposition methods. The purpose of this study was to measure facial tissue thicknesses of adult males and females of Turkish origin across different types of occlusion, and to compare the results with each other and with values obtained for other populations. The study was conducted on 200 healthy individuals. The analysis of facial tissue thickness included 20 landmarks (10 dentoskeletal and 10 soft tissue) and 10 linear variables. Sex-based variation in facial tissue thickness was noted. The highest soft tissue thickness values were observed in the group with Class III occlusion type at Sn-A point for both the females (16.9, SD=2.4) and the males (17.8, SD=3.3). In the Class I group, the highest tissue depth was observed at Sn-A point (15.3, SD=2.1) in females, and at Li-Id point (17.1, SD=1.9) in males. In the Class II group, contrary to the findings for Class I, the highest soft tissue depth was at Li-Id point (16.0, SD=1.4) in females, and at Sn-A point (18.1, SD=2.6) in males. In conclusion, facial tissue thickness varied in adults depending on the sex and on the type of occlusion.


International Journal of Morphology | 2006

Unusual Relation of the Median Nerve with the Accessory Head of the Biceps Brachii Muscle: An Original Case Report

Nuket Mas; Can Pelin; Ragıba Zağyapan; Hakan Bahar

Durante una diseccion de rutina de la region anterior del brazo, se observo una relacion anormal del nervio mediano con una cabeza accesoria del musculo biceps braquial, en un miembro superior derecho de un cadaver masculino. Mientras que las cabezas larga y corta tuvieron un origen normal, una tercera cabeza se origino de la superficie anteromedial de la parte superior del cuerpo humeral. Algunas fibras de esta cabeza accesorias, se originaron del lado medial de la fascia profunda que rodea al musculo braquial. Las fibras cruzaban al nervio mediano superficialmente, antes de unirse a la tercera cabeza, la cual se inserto a traves de un tendon comun con las cabezas larga y corta. El conocimiento de tales variaciones es de importancia tanto para anatomistas o clinicos, asi como esencialmente para cirujanos plasticos en las cirugias, que se usan colgajos


Neurosurgical Review | 2006

The incidence and types of sella and sphenopetrous bridges

Tuncay Peker; Afitap Anıl; Nadir Gülekon; Hasan Basri Turgut; Can Pelin; Mustafa Karaköse

The incidence and types of sella and sphenopetrous bridges were investigated in 37 adult male and 43 adult female (a total of 80) dry skulls with removed calvarias. In addition to this, the sellar and parasellar region of ten fixed cadavers (two female and eight male) were carefully dissected, and the individuals were examined for the evidence of sella and sphenopetrous bridges. Sella bridges were seen in 34.17% of the subjects overall. The trace, incomplete and complete types were 11.9%, 3.7% and 17.5%, respectively. On the other hand, sphenopetrous bridges were observed in 15.8% of the male and 4.9% of the female subjects overall. The cadaveric investigation revealed one trace, three incomplete, and one complete sella bridge in three cadavers. In addition to this, a complete sphenopetrous bridge was detected in one of the cadavers. Variations in the cranial base are of importance for surgical approaches in that location.


Anatomy research international | 2012

The Relationship between Balance, Muscles, and Anthropomorphic Features in Young Adults.

Ragıba Zağyapan; Cihan Iyem; Ayla Kurkcuoglu; Can Pelin; Mustafa Agah Tekindal

Posture can be defined as the form of the body when sitting, walking, or standing. There would be no problem if muscles interact in harmony with musculoskeletal system or nervous system. Posture analysis is crucial for clinical assessments in physical medicine and rehabilitation. However, studies into this issue are limited. In this study, the relationship between static standing balance and anthropomorphic features in healthy subjects was investigated. The study was carried out with a total of 240 students at Baskent University (116 females, 124 males) aged between 18 and 25 years. Type of balance of the subjects was determined with lateral posture analysis. Additionally, muscle shortness tests, subcutaneous fat thickness, and waist and thigh circumference were measured. As the results of lateral posture analysis, 107 subjects (71 males, 36 females) were detected to have anterior balance, 89 (41 males, 48 females) posterior balance, and 44 (12 males, 32 girls) neutral balance. Values of waist circumference, thigh circumference, and waist/thigh ratio were compared with all three balance types. A statistically significant difference was detected between these values in the subjects who had anterior balance (P < 0.05). In conclusion, a significant relationship was detected between muscle shortness, waist and thigh circumferences, and postural balance type.


Turkish Neurosurgery | 2010

Stereological Evaluation of Temporal Lobe/Telencephalon Volume in Temporal Lobe Epilepsy Using the Cavalieri Principle

Ayla Kurkcuoglu; Ragıba Zağyapan; Can Pelin

AIM Epilepsy is a temporary electric discharge in the brain cells due to shortterm brain function disorder. Epileptic seizures mostly stem from the temporal lobe. The prevalence is the same for women and men. It is thought that there are both microscopic- and macroscopic-level localized changes in the temporal lobe epilepsy. This study aims to assess the volumetric changes that might occur in temporal lobe epilepsy and compare these with normal brains. MATERIAL AND METHODS Volumetric assessment of temporal lobes and telencephalons was performed using the stereological method on the magnetic resonance images (MRI) of 30 female temporal lobe epilepsy patients and 30 healthy females (control group). The volume ratio of temporal lobe to the whole telencephalon was calculated by means of the Cavalieri principle over the coronal MR images of all participants. The section images were transformed into a series of images by Image j program and the measurements were performed by using a point grid. RESULTS The patient groups temporal lobe/telencephalon volumetric ratios were found to be significantly lower than that of the normal participants. CONCLUSION The pattern of temporal lobe volume decrease in TLE may be due to a combined effect of the electrical discharges during seizures and secondary damage due to disconnection.


Perception | 2017

Perception of Symmetry in Aesthetic Rhinoplasty Patients: Anthropometric, Demographic, and Psychological Analysis

Ozan Luay Abbas; Ayla Kurkcuoglu; Cigdem Derya Aytop; Cengiz Uysal; Can Pelin

Visual perception of symmetry is a major determinant of satisfaction after aesthetic rhinoplasty. In this study, we sought to investigate the existence of any relationship between anthropometric characteristics of the face and visual perceptions of asymmetry among rhinoplasty patients and to evaluate tools that can shed light on patients who appear at high risk for exaggerating potential asymmetries. In the first part, 168 rhinoplasty patients were asked to fill out the demographic questionnaire, nasal shape evaluation scale, and the somatosensory amplification scale. In the second part, we examined the relationship between anthropometric characteristics of the face and visual perceptions of asymmetry using standardized photographs of 100 medical students. In the third part, patients answered the rhinoplasty outcome evaluation questionnaire 6 months after the surgery. Objectively, no symmetrical face was observed in the anthropometric evaluation. Subjectively, only 73% and 54% of the faces were considered asymmetrical by the rhinoplasty and the control groups, respectively. The rate of asymmetry perception was significantly greater in revision patients when compared with primary rhinoplasty patients. The relationship between the rate of subjective perception of asymmetry and the somatosensory amplification scale scores was statistically significant. We found a significant inverse relationship between the rate of asymmetry perception and the rhinoplasty outcome evaluation scores. Plastic surgeons should be aware of this high selectivity in asymmetry perception, which is associated with poor postoperative satisfaction. Somatosensory amplification scale may help identify rhinoplasty patients at a high risk for exaggerating potential asymmetries. Level of Evidence: III.


The Turkish journal of gastroenterology | 2015

Anatomic variations of the celiac trunk and hepatic arterial system with digital subtraction angiography.

Ragıba Zağyapan; Ayla Kurkcuoglu; Ahmet Bayraktar; Can Pelin; Cuneyt Aytekin

BACKGROUND/AIMS Anatomical variation of the abdominal arteries is important. Historic and modern anatomists, radiologists, as well as surgeons have reported and accumulated anatomical variations with a morphological and clinical interest. During graft procurement and reconstruction, accidental injury of the hepatic artery is more likely in the presence of hepatic arterial variation, which can be a common clinical entity. During cadaveric dissection and diagnostic radiological imaging, various types of vascular anomalies are frequently found in human abdominal viscera, especially the celiac trunk. The aim of the present study is to determine anatomical variations in the celiac trunk and hepatic arterial system. MATERIALS AND METHODS Digital subtraction angiography data were collected from 152 consecutive donor patients (103 males and 49 females, aged between 6 and 77 years) who underwent orthotopic liver transplantation. RESULTS We examined the anatomy of the celiac trunk in a total of 152 consecutive patients. In total, 62.5% (95/152) of patients showed the classical trifurcation of the celiac trunk. Variant right hepatic arteries arising from the superior mesenteric artery were observed in 17.8% (27/152), the hepatic arteries arising from the left gastric artery were found in 13.1% (20/152), and common hepatic arteries arising from the superior mesenteric artery were observed in 6.6% (10/152) of patients. CONCLUSION These data are useful for planning and performing surgical and radiological procedures of the upper abdomen.


Folia Morphologica | 2015

Morphological variation of carotid artery bifurcation level in digital angiography.

Ayla Kurkcuoglu; C. Aytekin; Hale Oktem; Can Pelin

Knowing of the level of carotid artery bifurcation (CB) is important for vascular surgery in the neck, radical neck dissections, carotid sinus baroreceptor stimulation, catheterisations, and aneurysms. The aim of this study was to determine the CB level in relation with the cervical vertebral levels, compare them on the right and the left sides, and investigate the relation of CB level with the length of neck. In this study, 100 conventional carotid angiographies were performed. The CB level was determined in relation with 10 different levels which were the levels of the cervical vertebrae and intervertebral disks, and the relation of CB level with the length of neck was investigated. The right and left CB levels of the patients were also determined, and compared. The highest level of CB was at the level of C2 vertebra, and the lowest level of CB was at the level of C6-C7 intervertebral disk in both male and female. When all patients were taken into consideration, CB level was most frequently seen at the level of C4-C5 (29%) on the right side, and at the level of C4 (26%) on the left side. The CB levels were not symmetrical in 10 female and 23 male. Knowing of the anatomical variations of CB level is important in surgical procedures. The anatomical differences must be taken into consideration since the neighbouring structures of CB change in case of variations. We believe that the results of this study will shed light to planning of all interventional methods concerning common carotid artery and its branches as well as surgery in the neck, and will help to minimise the complications.


International Journal of Morphology | 2017

Localization of the Carotid Bifurcation According to Hyoid Bone and Mandibular Angle

Ayla Kurkcuoglu; Can Pelin; Hale Oktem; Cuneyt Aytekin

El objetivo de este estudio fue determinar el nivel de bifurcacion carotidea en relacion con el hueso hioides y el angulo de la mandibula. La arteria carotida comun es la arteria mas grande del cuello, y tiene dos ramas terminales, las arterias carotidas externa e internas. El nivel de bifurcacion muestra variaciones, sin embargo suele situarse a nivel de la cuarta vertebra cervical o en el margen superior del cartilago tiroideo. Por otro lado, la bifurcacion carotidea puede estar situada tan baja como a nivel de la tercera vertebra toracica, o tan alta como a nivel del hueso hioides. En este estudio se utilizaron imagenes angiograficas convencionales de 112 pacientes. Se midieron las distancias de la bifurcacion carotidea con el hueso hioides y el angulo de la mandibula en esas imagenes. Ademas, se determino la diferencia entre los lados derecho e izquierdo. La distancia entre el nivel de bifurcacion carotidea y el angulo de la mandibula se midio, siendo de 21,26 ± 8,57 mm a la derecha y 20,25 ± 8,75 mm en el lado izquierdo, en los hombres, y 19,72 ± 8,89 a la derecha y 18,5 ± 9,25 mm a la izquierda en mujeres. La distancia entre el nivel de bifurcacion de la carotida y el hueso hioides oscilo entre 1,94 ± 12,69 mm en mujeres y, 3,04 ± 9,00 mm en hombres, en el lado izquierdo. La informacion sobre el nivel de bifurcacion carotidea es importante en los procedimientos quirurgicos y radiologicos para determinar el procedimiento quirurgico apropiado y prevenir complicaciones. Creemos que los resultados de este estudio arrojaran luz a la planificacion de las intervenciones relacionadas con la arteria carotida comun.

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