Clinical Results of Percutaneous Transhepatic Biliary Drainage With Different Hepatic Access and Methods in the Treatment of Obstructive Jaundice.

Background: Percutaneous transhepatic biliary drainage (PTBD) is a common procedure for biliary obstruction jaundice caused by biliary tract obstruction. PTBD can be performed using external or external-internal methods, by the right or left lobe approach. However, differences in both the method used and the hepatic approach may affect success rates and complications.

Changes of the Buccal Fat Pad Volume According to the Different Age Groups, Gender, and Body Mass Index: An Evaluation With Computed Tomography.

Objectives: We investigated volumetric changes in buccal fat pad (BFP) in age groups and sexes by cranial or neck computed tomography (CT) or cranial CT angiography.

Methods: One hundred twenty patients underwent cranial or neck CT examinations or cranial CT angiography were retrospectively screened: 18-29 years old (group 1), 30-49 years old (group 2), and 50 years and older (group 3). Left buccal fat tissue measurements were performed in age groups, sexes, and body mass index (BMI) groups.

Infraorbital fat tissue volume and density changes in different age groups: Evaluation with computed tomography.

Objectives: We investigated senile volume and density changes in infraorbital fat to evaluate by computed tomography (CT).

Methods: CT examinations of a total of 120 patients (60 males and 60 females) were included in 3 age groups: 18-29 (group 1), 30-49 (group 2), and 50 years and older (group 3). Body weight and height and BMI were recorded, and infraorbital fat tissue volume and density were measured on CT.

Smell Regions in Patients with Vitamin D Deficiency: An MRI Evaluation.

 We investigated the effects of vitamin D deficiency in the peripheral and central smell regions by magnetic resonance imaging (MRI).  This retrospective study included 29 patients (12 males, 17 females) with 25-dihydroxy vitamin D3 [25(OH) D ] deficiency (group 1) and 34 subjects without 25(OH) D deficiency (14 males, 20 females) (group 2). Using cranial MRIs, the peripheral (olfactory bulb [OB] volume and olfactory sulcus [OS] depth) and central (insular gyrus and corpus amygdala) smell regions were evaluated.

Magnetic Resonance Imaging Evaluation of Distance Between Adenoid Tissue and Internal Carotid Artery in Children With Adenoid Hypertrophy.

Objectives: In the present study, we investigated the distance between adenoid tissue and internal carotid artery (ICA) in children with adenoid hypertrophy by magnetic resonance imaging.

Methods: Cranial magnetic resonance images of 200 children with adenoid hypertrophy between the ages of 5 and 15 were included. In group 1 (5-9 years of age), there were 100 children, and in group 2 (10-15 years of age), there were 100 children.

Pancreas and kidney changes in type 2 diabetes patients: the role of diffusion-weighted imaging.

Background/aim: The aim of this study was to compare renal and pancreatic apparent diffusion-coefficient (ADC) values of diabetic patients and control subjects and to examine their potential association with several diabetes-related clinical parameters.

Materials And Methods: A total of 80 sex- and age-matched patients were included in the study. Of them, 40 were patients with type 2 diabetes and 40 were nondiabetic participants.

MRI evaluation of distance between tonsillary fossa and internal carotid artery in children.

Objectives: The presence of the internal carotid artery (ICA) near tonsils can also cause severe bleeding during a tonsillectomy. We investigated the relationship between tonsil width and volume; and superior, middle and inferior tonsil-ICA distances in 5-9 and 10-15 years of age children.

Methods: Cranial MRI images of 200 children between 5 and 15 years of age were evaluated retrospectively.

A Comparison of Diagnostic Accuracy of Superior Semicircular Canal Dehiscence in MDCT and MRI, and Coexistence with Tegmen Tympani Dehiscence.

 Tegmen tympani dehiscence in temporal multidetector computed tomography (MDCT) and superior semicircular canal dehiscence may be seen together. We investigated superior semicircular canal dehiscence in temporal MDCT and temporal magnetic resonance imaging (MRI).  In this retrospective study, 127 temporal MRI and MDCT scans of the same patients were reviewed.

Evaluation of the medial rectus muscle and optic nerve using strain and shear wave elastography in Graves' patients.

Purpose: The purpose of this study was to describe the elastic properties of the medial rectus muscle and optic nerve in Graves' patients without clinically apparent ophthalmopathy using strain elastography (SE) and shear wave elastography (SWE) and to determine whether these elastic properties could be used to aid in the diagnosis of the medial rectus muscle or optic nerve involvement.

Materials And Methods: Thirty participants diagnosed with Graves' disease without ophthalmopathy and 30 healthy volunteers (control group) were prospectively examined between November 2018 and August 2019. SE and SWE findings in both groups were compared using the χ test and the independent samples t test.

Does Mastoid Pneumatization Affect Facial Canal Dimensions and Distances of Facial Tympanic Segment-Scutum and Lateral Semicircular Canal-Scutum?

Objectives: In the present study, we investigated whether mastoid pneumatization affects facial canal dimensions and distances of facial tympanic segment and scutum, and lateral semicircular (LSS) canal and scutum.

Methods: One hundred sixty-one temporal multidetector computed tomography scans were reviewed. Patients with unilateral sclerotic mastoid pneumatization (no aeration) (group 1, n = 81) and unilateral total mastoid pneumatization (100.

The Diagnostic Value of CT-guided Percutaneous Co-axial Trans-thoracic Biopsy (PCTTB) and Evaluation of the Pathologic Examination.

Background: We investigated thoracic masses with Computed Tomography (CT)- guided Percutaneous Co-Axial Trans-Thoracic Biopsy (PCTTB).

Methods: The retrospective data of 86 patients to whom CT-guided PCTTB had been applied were obtained. Eighty-four cases and their pathologic results were included in the study.

Cribriform Plate, Crista Galli, Olfactory Fossa and Septal Deviation.

Objectives: In the present study, we investigated the relationship between olfactory fossa, cribriform plate, crista galli and nasal Septal Deviation (SD). Keros classification of olfactory fossa was also performed.

Methods: This study was performed retrospectively.

Sonoelastographic Evaluation of the Lower Lateral Nasal Cartilage Lateral Crus, Auricular Conchal Cartilage, and Costal Cartilage.

We investigated the sonoelastographic features of the lower lateral nasal cartilage lateral crus (LLNC-LC), auricular conchal cartilage (ACC), and costal cartilage (CC). In this prospective study, group 1 consisted of 60 participants (30 males and 30 females) between 18 and 35 years of age. Group 2 consisted of 60 participants (30 males and 30 females) between 35 and 50 years of age.

Can MDCT Scan of the Temporal Bone Looking at Pneumatization Predict Surgical Vulnerability of the Facial Nerve?

Objectives: The aim of this study is to investigate the scutum-cochleariform process (CP) and scutum-promontorium distances according to the mastoid pneumatization condition.

Methods: Two hundred temporal multidetector computed tomography scans (90 males and 110 females) were evaluated retrospectively. The scutum-CP and scutum-promontorium distances were measured.

Olfactory Fossa and New Angle Measurements: Lateral Lamella-Cribriform Plate Angle.

Objectives: The authors investigated the olfactory fossa (OF) in patients with unilateral nasal septal deviation (NSD) and presented the lateral lamella-cribriform plate angle (LLCPA).

Methods: Paranasal sinus computed tomography images of 300 adult subjects with unilateral NSD (111 males, 189 females) were evaluated retrospectively. Septal deviation angle (SDA), Keros Classification, OF depth and width, LLCPA; and orbital plate and cribriform plate (OPCP) distance were measured.

Critical Stenosis of the Internal Carotid Artery: Variability in Vertebral Artery Diameters and Areas of Cerebral Chronic Infarction in Computed Tomography.

Objectives: We investigated unilateral and bilateral cervical internal carotid artery (ICA) stenosis according to the North American Symptomatic Carotid Endarterectomy Trial (NASCET) and the European Carotid Surgery Trial (ECST).

Methods: We retrospectively investigated ICA stenosis on Head&Neck Computed Tomography Angiography (CTA); and their simultaneous brain computed tomography images were also evaluated. In unilateral ICA stenosis group (n=36), 17 of them had right ICA stenosis and 19 left ICA stenosis.

Evaluation of arthroscopic rotator cuff repair results in patients with anterior greater tubercle cysts.

Purpose: The purpose of this study was to investigate the clinical results of arthroscopic rotator cuff repair in patients with anterior greater tubercle cyst in magnetic resonance imaging (MRI).

Methods: The cyst-present group comprised 38 patients with anterior greater tubercle cyst in MRI, and age- and sex-matched 30 patients without cyst in humeral head were included in the control group. The cystic group was divided into two groups, smaller than 5 mm (21 patients) and larger than 5 mm (17 patients), according to the cyst size.

Is there a relationship between Onodi cell and optic canal?

Objectives: We investigated the relationship between Onodi cells and optic canal by paranasal sinus computed tomography (PNSCT).

Methods: In this retrospective study, 508 PNSCT (265 males and 243 females) was examined. Onodi cell presence, pneumatization types, optic canal types; and also sphenoid sinusitis and anterior clinoid process pneumatization were evaluated.

Evaluation of the Optic Nerve by Strain and Shear Wave Elastography in Patients With Migraine.

Objectives: To investigate the optic nerve's elastic properties using shear wave and strain elastography in patients with migraine compared to healthy individuals.

Methods: The migraine group consisted of 30 patients (16 with visual auras and 14 without auras) who had previously had a diagnosis of migraine. These were age and sex matched with healthy participants to form the control group.

Radiological Variabilities in Subcoracoid Impingement: Coracoid Morphology, Coracohumeral Distance, Coracoglenoid Angle, and Coracohumeral Angle.

BACKGROUND The aim of this study was to investigate the effects of coracoid morphology, coracohumeral distance, coracoglenoid angle, and coracohumeral angle variabilities on subcoracoid impingement development using magnetic resonance imaging (MRI). MATERIAL AND METHODS A total of 200 patients (87 males with mean age of 51.1±15.

Olfactory bulbus volume and olfactory sulcus depth in psychotic patients and patients with anxiety disorder/depression.

Objectives: In the present study, we investigated olfactory bulb (OB) volume and olfactory sulcus (OS) depth of the psychotic patients (predominantly schizophrenia) and patients with anxiety disorder/depression.

Methods: This study was conducted retrospectively. Group 1 consisted of 30 psychotic patients (predominantly schizophrenia) (19 males and 11 females).

Carotid canal and optic canal at sphenoid sinus.

In the present study, we investigated the relationship between sphenoid sinus, carotid canal, and optic canal on paranasal sinus computed tomography (PNSCT). This study was performed retrospectively. PNSCT images of 300 adult subjects (159 male, 141 female).

Olfactory bulbus volume and olfactory sulcus depth in migraine patients: an MRI evaluation.

Objectives: To compare the measurements of olfactory bulb volume and olfactory sulcus depth in patients with migraine and a control group.

Methods: The study included the cranial MRI (1.5 T) images of 200 adults diagnosed with migraine and a control group of 100 subjects without migraine.

Evaluation of tendinosis of the long head of the biceps tendon by strain and shear wave elastography.

Aim: To investigate strain (SE) and shear wave elastography (SWE) characteristics of the long head of the biceps tendon (LHBT) tendinosis in comparison with magnetic resonance imaging (MRI) findings.

Material And Methods: Twenty patients with a MRI diagnosis of tendinosis and twenty healthy subjects with normal LHBT in MRI were prospectively examined by SE and SWE. SE color mapping was divided into four types in accordance with elasticity designs: type I predominantly blue (hardest tissue), type II predominantly blue-green (hard tissue), type III predominantly green (intermediate tissue), type IV predominantly green-yellow-red (soft tissue).

Ultrasound Elastography of the Median Nerve in Patients With Acromegaly: A Case-Control Study.

Objectives: The aim of this study was to compare the cross-sectional area and ultrasound elastographic findings of the median nerve of patients with acromegaly and healthy participants.

Methods: The acromegaly group comprised 15 patients with a previous diagnosis of acromegaly, and an age- and sex-matched control group included healthy participants. Strain elastographic and shear wave elastographic findings and the cross-sectional areas of the groups were compared.