Morphological variations of the middle and superior turbinates, olfactory fossa and nasal septum in different sphenoid sinus pneumatization patterns.

Purpose: Detailed assessment of the extrasinusal pneumatization of the superior and middle turbinate (SCB, MCB), olfactory fossa (OFP), and nasal septum (NSP) in coronal and sagittal sphenoid sinus (SS) pneumatization types provides a precise understanding of the surgical corridors used for skull base surgery. We aimed to analyze the relationships among these variations using computed tomography (CT) images.

Methods: CT images of 153 patients were retrospectively analyzed for all types of sinonasal pneumatizations and volumes of SCB and sphenoid sinus, together with the prevalence of mucosal thickening of the sphenoid sinus (MTSS).

Morphometric evaluation of the anatomical relationships between the superior orbital fissure and the orbital structures based on computed tomography images with clinical implications.

Purpose: To assist in surgical planning in endoscopic approaches, we analyzed the morphometric measurements of the superior orbital fissure (SOF) and optic canal (OC) by three-dimensional multislice computed tomography (3D MDCT) and evaluated them according to age, gender, and lateralization.

Methods: The study analyzed 219 MDCT images (114 women, 105 men) from individuals aged 18-90. Measurements of SOF and OC were performed on 3D MDCT images in the axial plane and with 3D-Slicer software.

Association between the digit ratio (2D:4D), handgrip strength, wrist ratio, and body fat distribution in women with different carpal tunnel syndrome severity.

Background: To evaluate the relationship of the second to fourth digit ratio (2D:4D), a biomarker of prenatal sex hormone exposure, with wrist ratio (WR), wrist-palm ratio (WPR), body mass index (BMI), waist-hip ratio (WHR), and handgrip strength (HGS) in different carpal tunnel syndrome (CTS) severity.

Method: This study involved 90 female participants (aged 18 to 83) with CTS. According to CTS severity, the participants were divided into four groups: normal, mild, moderate, and severe.

Clinically relevant morphometric analysis of pterygopalatine fossa and its volumetric relationship with adjacent paranasal sinuses: a CT-based study.

Objectives: This study aimed to perform morphometric measurements of the pterygopalatine fossa (PPF), the transition zone to critical neurovascular structures. The second aim was to investigate the relationship between the volumes of the PPF and the paranasal sinuses and the effect of nasal septum deviation (NSD) types on all these measurements.

Methods: We performed PPF's morphometry and all volume measurements on the CT images of 260 patients (130 male and 130 female, age range 18-79).

Assessment of the prelacrimal recess in different maxillary sinus pneumatizations in relation to endoscopic prelacrimal recess approaches: a computed tomography study.

Purpose: To assist in planning before the endoscopic prelacrimal recess (PLR) approach, we aimed to investigate the relationship between morphometry and variations of PLR in maxillary sinus (MS) pneumatizations.

Methods: Retrospective analysis of the paranasal sinus computed tomography images of 150 patients was conducted to determine the pneumatization patterns of the MS, PLR variations, and the applicability of the PLR approach. The results were compared based on lateralization, gender, and age groups.

Morphometric analysis of sphenopalatine foramen on computed tomography images with clinical significance.

Purpose: This study aimed to investigate the effect of anatomical variations in the sphenopalatine foramen and the lateral nasal wall on sphenopalatine foramen-related morphometric measurements.

Methods: Paranasal sinus multidetector computed tomography records of 153 patients were evaluated. Morphometric measurements were made between the fixed bony landmarks and the sphenopalatine foramen.

Anatomical Variations of the Celiac Trunk and Hepatic Arteries with a New Classification, Based on CT Angiography.

Objectives: To analyse the distribution of anatomical variations in both celiac trunk (CeT) and hepatic artery (HA) branching patterns on computed tomography (CT) angiography images; as well as to propose a new classification by unifying the already reported classifications of the CeT and HA vascular anatomy.

Study Design: Observational study.

Place And Duration Of Study: Department of Radiology, Faculty of Medicine, Selçuk University, Konya, Turkey, from February 2019 to March 2020.

Anatomical variations of the aortic arch branching pattern using CT angiography: a proposal for a different morphological classification with clinical relevance.

The aortic arch (AA) branching pattern variations are usually asymptomatic, but they may lead to complications during cardiovascular procedures. In this retrospective study, we aimed to analyze the frequency of anatomical variations of the AA and to develop a different approach of morphological classification based on radiological criteria. 1026 computed tomography angiography scans of adults were evaluated and the presence of left-sided (LAA) and right-sided (RAA) AA were determined in 1023 (99.

Surface anatomy and lumbar lordosis angle.

Awareness of the anatomical variations in abdominal surface anatomy with emphasis on relation to the abdominal planes may facilitate anatomical education and physical examination and inconvenience surgical intervention by giving surgeons more insight in surgical planning and training. This study was designed to verify whether the anatomical planes promote to the comprehension of surface anatomy and how the lumbar lordosis angle affects the vertebral level of the bifurcation of great vessels. This retrospective study was performed using computed tomography angiography images of 155 patients ranging from 18 up to 82 years.

The Relationship Between the Pneumatization Patterns of the Frontal Sinus, Crista Galli and Nasal Septum: A Tomography Study.

Aim: To provide detailed information about anterior skull base anatomy.

Material And Methods: In terms of gender and laterality, the drainage pathways and anatomical variations of the frontal sinus, crista galli and nasal septum in 402 patients were evaluated via computed tomography scans.

Results: The pneumatization patterns of the frontal sinus were as follows: absent, 3.

The anatomic analysis of the vidian canal and the surrounding structures concerning vidian neurectomy using computed tomography scans.

Introduction: The type of endoscopic approach chosen for vidian neurectomy can be specified by evaluating the vidian canal and the surrounding sphenoid sinus structures.

Objective: The variations and morphometry of the vidian canal were investigated, focusing on the functional correlations between them which are crucial anatomical landmarks for preoperative planning.

Methods: This study was performed using paranasal multidetector computed tomography images that were obtained with a section thickening of 0.

Morphometric Analysis of Styloid Process Using Multidetector Computed Tomography.

Styloid process (SP) is a cylindrical anatomical structure located at the anterior side of stylomastoid foramen. Normally, it is 20 to 25  mm in length and can vary with age and sex. An elongated SP is an unusual source of craniofacial and cervical pain.

The evaluation of morphometry of the mastoid process using multidetector computed tomography in a living population.

The aim of this study was to examine the relationships of the bony landmarks on the lateral surface of the mastoid process (MP). It was also the target of this study to reveal the importance of sexual dimorphism in terms of the mastoid triangle. Our study was performed on 140 (70 women, 70 men) multidetector computed tomography images obtained from patients who underwent radiologic examination at the Department of Radiology of Meram Medical Faculty, Necmettin Erbakan University.

The evaluation of morphometry of nasal bone and pyriform aperture using multidetector computed tomography.

Introduction: The aim of this study was to measure nasal bone (NB) and pyriform aperture (PA), morphometrically. Besides, the different types of NB and PA were classified and determined the sexual differences.

Materials And Methods: Our study was performed on 120 (60 women, 60 men) multidetector computed tomography images obtained from patients who underwent radiologic examination in the Department of Radiology of Meram Faculty of Medicine, Necmettin Erbakan University.

Transfer of the Fifth Finger to Replace an Amputated Thumb: A Preliminary Study.

Amputation of the thumb causes not only loss of significant functional use of the hand but also psychological and social problems. The procedures of toe-to-thumb transfer, pollicization, or metacarpal extension are recognized and well-documented options in thumb reconstruction. Although these techniques have been successfully applied, they have some disadvantages.

Where is the apex of the sacral hiatus for caudal epidural block in the pediatric population? A radio-anatomic study.

Purpose: Caudal epidural block (CEB), administered through the sacral hiatus, is a regional anesthetic technique commonly used in children. To facilitate and optimize pediatric CEB, morphometric data that may be important for the sacral hiatus have been obtained using multidetector computed tomography (MDCT).

Methods: This study is the first radio-anatomic study designed to address this topic in children.

A variant course of the superficial palmar branch of the radial artery.

The 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.

Modified medial Stoppa approach for acetabular fractures: an anatomic study.

Background: The modified medial Stoppa approach is an alternative and new surgical approach to access to the internal pelvis and medial wall of the acetabulum. There is little information about the clinical anatomic specifications of exposure in the literature. In this study, the pertinent surgical anatomy that involved the modified medial Stoppa approach was further defined and the anatomic positions and variations of the structures seen in the surgical site were analyzed.

A variation of the extensor hallucis longus muscle (accessory extensor digiti secundus muscle).

An 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.

Reconstruction of large nasal septal perforations with a three layer galeal pericranial flap: an anatomical and technical study.

Objectives: In this study, a modified surgical method was carried out to repair large nasal septal perforations with a galeal pericranial flap using endoscopic technique.

Materials And Methods: Six adult human cadavers were dissected by applying the classic open rhinoplasty technique. Large perforations were created in the septal cartilages.

Morphometric analyses of the development of nasal cavity in human fetuses: an anatomical and radiological study.

Objective: It was aimed to research the morphometric development of the nasal cavity with dissection and radiological scanning methods and to detect anatomical variations.

Design: Retrospective study.

Setting: Departments of Anatomy and Radiology, Meram Medical Faculty, Selcuk University.

Effects of long-term 50 Hz magnetic field exposure on the micro nucleated polychromatic erythrocyte and blood lymphocyte frequency and argyrophilic nucleolar organizer regions in lymphocytes of mice.

Objectives: We aimed to investigate the effects of weak extremely low frequency electromagnetic fields (ELF-EMFs) on the nucleus size, the silver staining nucleolar organizer regions (AgNORs), the frequency of micro nucleated peripheral blood lymphocytes (MPBLs) and the micro nucleated polychromatic erythrocytes (MPCEs).

Methods: One hundred and twenty Swiss albino mice were equally divided into 6 groups. The study groups were exposed to 1, 2, 3, 4 and 5 microT 50 Hz-EMFs for 40 days.

The morphometric analysis of the V2 and V3 segments of the vertebral artery: normal values on MDCT.

A potential hazard in midline posterior fossa craniectomy may be the injury of vertebral artery. That's why vertebral artery evaluation prior to surgery may prevent dangerous complications. Advancements in multidetector computed tomography (MDCT) have provided detailed demonstration of the vertebral artery at the craniocervical junction and its relationships with atlas and axis.