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Öğe An anatomic study for a modified technique for bypass of the external carotid artery to the proximal middle cerebral artery(SPRINGER, 2008) Cengiz, Sahika Liva; Ozturk, Kayhan; Cicekcibasi, Aynur Emine; Salbacak, Ahmet; Ustun, Mehmet ErkanWe aimed to evaluate whether bypass of the external carotid artery (ECA) to the middle cerebral artery (MCA) can be established by a short saphenous vein graft in order to increase the anastomosis patency. The method was performed to ten adult cadaver sides. We described a modified technique for bypass of the ECA to the M2 segment of MCA. The diameters of the vessels and graft length were measured by using an electronic micrometer. The mean diameter of the superior, middle, and inferior trunks of the MCA with trifurcation were 1.7 +/- 0.15, 2.2 +/- 0.25, and 2.0 +/- 0.2 mm, respectively, whereas the mean diameter of the superior and inferior trunks of the MCA with bifurcation were 2.1 +/- 0.2 and 2.3 +/- 0.3 mm, respectively. The mean diameter of the ECA was 3.75 +/- 0.4 mm. The mean length of the saphenous vein graft was 71.5 +/- 3.9 mm. The high-flow ECA to proximal MCA bypass using a short venous graft can supply enough blood flow to establish cerebral revascularization with a straighter route.Öğe A Complex Variation of the Parietal and Visceral Branches of the Abdominal Aorta(SOC CHILENA ANATOMIA, 2011) Unver Dogan, Nadire; Fazliogullari, Zeliha; Yilmaz, Mehmet Tugrul; Uysal, Ismihan Ilknur; Cicekcibasi, Aynur Emine; Ulusoy, Mahinur; Gunaslan, PervinVariations in the branches of the abdominal aorta were determined during a routine abdominal region dissection of a 70-year-old male cadaver. Left gastric artery arose as the first root from antero-lateral of aorta. Coeliacomesenteric trunk occurred as a thick root. After 29.9mm, coeliacomesenteric trunk bifurcated as coeliac trunk and superior mesenteric artery. Coeliac trunk bifurcated as splenic artery and common hepatic artery. These multiple variations which change the normal anatomic structure of the abdominal aorta have to be kept in mind by surgeons, radiologists and anatomists.Öğe The Levator Claviculae Muscle and Unilateral Third Head of the Sternocleidomastoid Muscle: Case Report(SOC CHILENA ANATOMIA, 2010) Fazliogullari, Zeliha; Cicekcibasi, Aynur Emine; Unver Dogan, Nadire; Yilmaz, Mehmet Tugrul; Buyukmumcu, Mustafa; Ziylan, TanerA rare case of unilateral third head of sternocleidomastoid and an extra muscle levator claviculae were determined unilaterally in a 70-year-old male cadaver during the routine dissections. In the left neck side, it was observed that the sternocleidomastoid muscle also had a third part in addition to known sternal and clavicular heads and levator claviculae muscle which arose from the posterior tubercle of the transverse process of the 3rd cervical vertebra and attached to the posterior margin of the clavicle. An awareness of this variations may be important because of its close relationship with neurovascular structures during neck operations.Öğe The Mandibular Landmarks about the Facial Artery and Vein with Multidetector Computed Tomography Angiography (MDCTA): an Anatomical and Radiological Morphometric Study(SOC CHILENA ANATOMIA, 2012) Cicekcibasi, Aynur Emine; Yilmaz, Mehmet Tugrul; Kiresi, Demet; Seker, MuzafferThe aim of this study was to investigate the course of the facial vessels according to several mandibular landmarks in living individuals using multidetector computed tomography angiography (MDCTA) to determine these related to sex and side. This study was conducted in the Radiology Department, Meram Faculty of Medicine, Necmettin Erbakan University (Konya, Turkey). In total, sixty faces from 30 specimens (15 males and 15 females) with symptoms and signs of vascular disease were evaluated for the facial vessels by MDCTA scan. The facial vessel parameters were measured according to the reference points (mandibular angle, mental protuberance, mental foramen and facial midline). The distance from the point at which the facial artery first appears in the lower margin of the mandible to the mandibular angle for right and left facial artery were observed as 3.53 +/- 0.66 cm and 3.31 +/- 0.73 cm in males, respectively. These distances were determined as 2.91 +/- 0.52 cm and 3.35 +/- 0.48 cm in females. MDCTA is a new, powerful, safe and noninvasive test to demonstrate the vasculature of the head. Bony structures and neighboring vessel morphology can be evaluated by this technique in cases of trauma with suspected vessel injuries and when considering patient selection for flap surgery.Öğe Morphometric Analysis of Suprarenal Glands (Adrenal Glands) with Multislice Computerized Tomography(SOC CHILENA ANATOMIA, 2017) Akin, Duygu; Yilmaz, Mehmet Tugrul; Ozbek, Orhan; Ozbiner, Huseyin; Cicekcibasi, Aynur Emine; Buyukmumcu, Mustafa; Kabakci, Anil DidemThe aim of our study are to determine the shape, vertebrae level, height, volume, corpus medial and lateral branch thicknesses of AG and the distance from some neighboring structures on multidetector computed tomography (MDCT) images and also to determine the relationship between these data and gender, age, height, weight and body mass index (BMI). The study was conducted on a total of 420 MDCT images consisted of 220 male (mean age 63.44 +/- 8.00, 50-81 years), 200 female (mean age 61.23 +/- 7.95, 50-84 years) healthy individuals. Vertebrae level of AG (VLAG), height of AG (HAG), adrenal gland volume (VAG), corpus thickness of AG (CTAG), medial section thickness of AG (MTAG) and lateral section thickness of AG (LTAG) were investigated. In our study, RAG were observed on T12 vertebrae level in 38.19 % of males and 42.5 % of females and LAG were also observed at that level in 39.55 % of the male and 51 % of the female individuals. RAG were observed in all males and 98.5 % of the females and LAG were observed 88.63 % of the males and 94 % of the females "Y" shaped. VAG were observed lower in males compared to females in age groups and VAG was observed increasing with age in males; decreased in 60-69 age group of females and increased again in 70 and plus age group. The aim of this study is to determine normal ranges of AG sizes and the relationship of each one with sex, age, height, weight and BMI.Öğe Proximal STA to proximal PCA bypass using a radial artery graft by posterior oblique transzygomatic subtemporal approach(SPRINGER, 2009) Ulku, Cagatay Han; Cicekcibasi, Aynur Emine; Cengiz, Sahika Liva; Ustun, Mehmet Erkan; Buyukmumcu, MustafaThe aim of the present study was to investigate the use of a radial artery graft (RAG) for bypass of the proximal superficial temporal artery (STA) to proximal posterior cerebral artery (PCA) by posterior oblique transzygomatic subtemporal approach as an alternative to the external carotid artery (ECA) to PCA anastomosis. We conducted an anatomical and technical study at a university hospital. Five adult cadaveric specimens were dissected. A preauricular vertical skin incision was used. The trunk of STA was identified. A 30 degrees oblique posterior zygomatic arch osteotomy and microcraniotomy was performed. The dura of the middle cranial fossa was then opened. The temporal lobe was retracted, the interpeduncular and ambient cisterns were opened, and the P2 segment of the PCA was exposed. The proximal side of the RAG was anastomosed with the proximal STA and the distal side was anastomosed with the P2 segment. The mean caliber of the proximal STA was 2.25 +/- 0.35 mm. The mean diameter of the P-2 was 2.2 +/- 0.2 mm. The average length of the RAG was 56 +/- Ce3.2 mm. The mean caliber of the proximal and the distal sides of the graft was 2.5 +/- 0.25 mm and 2.3 +/- Ce0.15 mm, respectively. Because the proximal STA to proximal PCA bypass uses a short RAG and their calibers are over 2 mm, this bypass technique can provide a sufficient blood flow and may be a reasonable alternative over ECA to PCA bypass using long grafts.Öğe Transmastoid Decompression of Labyrinthine-Meatal Segment of the Facial Nerve: A Comparative Radio-Anatomic Study(AVES, 2009) Keles, Bahar; Emlik, Dilek; Uyar, Yavuz; Cicekcibasi, Aynur Emine; Ozturk, KayhanObjective: To evaluate the routes for approaching to labyrinthine-meatal segment of the facial nerve (FN) via transmastoid approach by drilling the ampullar ends of the lateral semicircular canal (LSC). Materials and Methods: Ten temporal bones of adult cadavers underwent high-resolution computed tomography (HRCT). Among them in 6 temporal bones the FN was decompressed under operating microscope via transmastoid approach by drilling the ampullar ends of the LSC. Within the remaining four of temporal bones the ampullary ends of the LSC were preserved. All temporal bones were re-evaluated by HRCT scans following the dissection. Distances between labyrinthine-meatal segment and surrounding anatomical landmarks were measured through the HRCT scans. Results: The mean distances from labyrinthine-meatal segment to the midpoint of the basal turn of the cochlea, LSC and vestibule were 9.5 +/- 0.6 mm (range 8.1-10.4), 10.1 +/- 0.2 mm (range 8.5-11.9 mm), 2.6 +/- 0.4 mm (range 1.9-3.2 mm), respectively. The mean distance of remaining bony part of fallopian canal near the meatus was determined as 0.57 +/- 0.3 mm in the temporal bones drilled from the ampullary ends of the LSC and 2.07 +/- 0.5 mm in the temporal bones preserved from ampullary ends of the LSC. This difference was significant (p<0.05). Conclusions: The results showed that the labyrinthine-meatal segment of the FN could be adequately accessed via transmastoid approach by skletonizing the ampullary end of the LSC. This approach may be used as an alternative technique in the decompression of labyrinthine-meatal segment of the FN.Öğe Unilateral Variations of Vessels and Nerves in the Neck(SOC CHILENA ANATOMIA, 2010) Unver Dogan, Nadire; Cicekcibasi, Aynur Emine; Fazliogullari, Zeliha; Yilmaz, Mehmet Tugrul; Uysal, Ismihan Ilknur; Salbacak, AhmetVariations of vessels and nerves in the left neck side, of 65 year old male cadaver, during the routine dissections, were detected. It was observed that the linguofacial trunk originated from external carotid artery and that the ascending pharyngeal artery originated from the occipital artery. It was determined that after the laryngeopharyngeales rami originated from the superior cervical ganglion, the branch wound around the origin of the superior thyroid artery. As an additional variation, the internal jugular vein divided. The cervical ansa and the inferior belly of the omohyoid muscle passed through the parts of the vein. We think that these type of variation can entail important difficulties during radiologic and surgical procedures of the neck region. To know these anatomical variations, is important for the anatomist and surgeons.Öğe A variant course of the superficial palmar branch of the radial artery(SPRINGER FRANCE, 2012) Tagil, Suleyman Murat; Bozkurt, Mehmet Cem; Kuvat, Samet Vasfi; Cicekcibasi, Aynur EmineThe objective of this report was to present a case of superficial palmar branch of the radial artery (SPBRA) with a variant course, which to the best of our knowledge, has not been reported in the literature. During anatomical dissections that were carried out in the Department of Anatomy of Suleyman Demirel University School of Medicine to demonstrate the superficial palmar arch, a variation in the course of the SPBRA was noted in the right hand of an adult cadaver. This variant branch ran superficial to, and in contact with, the flexor retinaculum, and ran transversely to join the ulnar artery.Öğe A variation of the extensor hallucis longus muscle (accessory extensor digiti secundus muscle)(SPRINGER, 2012) Tezer, Murat; Cicekcibasi, Aynur EmineAn accessory muscle adjacent to the extensor hallucis longus muscle (EHL) was observed between the EHL and the extensor digitorum longus muscle (EDL) in the anterior side of both legs of the cadaver of a 72-year-old male, during educational dissection, and it was observed that the tendon of this muscle extended to the second toe. The tendon of this muscle united with the second toe tendon of the EDL. These common tendons appeared before reaching the toe media phalanxes and extended to the related media phalanxes of toe. However, an additional tendon separating from this accessory muscle tendon united with the EHL tendon at the left foot. This accessory muscle, unlike the variations identified to date, is considered to extend to the second toe, and the name "accessory extensor digiti secundus muscle" is offered.
