Ectopic opening of common bile duct into the duodenal bulb: magnetic resonance cholangiopancreatography findings.

PURPOSE We aimed to evaluate the spectrum of magnetic resonance cholangiopancreatography (MRCP) findings in patients with ectopic opening of the common bile duct (CBD) into the duodenal bulb and to determine the effectiveness of the MRCP technique in diagnosis. METHODS Morphologic and morphometric MRCP/MRI features in 16 patients and 36 controls were retrospectively analyzed by 2 radiologists. The frequency of MRCP findings was determined.

Detectability of 18F-choline PET/MR in primary hyperparathyroidism.

Purpose: We aimed to evaluate the power of 18F-fluorocholine (FCH) positron emission tomography/magnetic resonance (PET/MR) imaging in unlocalized primary hyperparathyroidism.

Methods: Thirty-four patients were included. In 17/34 patients, PET/MR was performed immediately after a negative 18F-FCH PET/CT.

MRI quantification techniques in fatty liver: the diagnostic performance of hepatic T1, T2, and stiffness measurements in relation to the proton density fat fraction.

Purpose: Nonalcoholic fatty liver disease (NAFLD) can progress to liver cirrhosis and is predicted to become the most frequent indication for liver transplantation in the near future. Noninvasive assessment of NAFLD is important for diagnosis and patient management. This study aims to prospectively determine the liver stiffness and T1 and T2 values in patients with NAFLD and to compare the diagnostic performance of magnetic resonance elastography (MRE) and mapping techniques in relation to the proton density fat fraction (PDFF).

Evaluation of Extramural Venous Invasion by Diffusion-Weighted Magnetic Resonance Imaging and Computed Tomography in Rectal Adenocarcinoma.

Purpose: The aim of this study is to evaluate the diagnostic contribution of diffusion-weighted magnetic resonance imaging (MRI) and computed tomography (CT) to distinguish extramural venous invasion (EMVI) in rectal adenocarcinoma.

Materials And Methods: Fifty-eight patients who had been diagnosed with rectal adenocarcinoma (30 patients with EMVI and 28 patients without EMVI) were enrolled in the study. Apparent diffusion coefficient (ADC) values of the tumour and the EMVI (+) vein, the lengths of the tumours were measured on MRI.

Backwash ileitis in ulcerative colitis: Are there MR enterographic features that distinguish it from Crohn disease?

Objective: To reveal the MR enterography (MRE) findings that distinguish backwash ileitis (BWI) from terminal ileitis due to Crohn's disease (CD) and to determine the usability of barium studies manifestations (ileocecal valve (ICV) gaping, terminal ileum dilatation) in MRE for the diagnosis of BWI in ulcerative colitis (UC) patients by pointing at the diagnostic performance of these imaging findings.

Subjects-methods: The study population consisted of patients who were diagnosed as ulcerative colitis (UC), and underwent 1.5 T MRI between August 2011 and November 2017 to rule out small bowel involvement.

Magnetic resonance elastography: basic principles, technique, and clinical applications in the liver.

Magnetic resonance elastography (MRE) is a constantly advancing technique for assessment of stiffness of tissues with newer technology and sequences. It is being increasingly used for the assessment of liver fibrosis. In this article, we discuss the advantages of MRE over biopsy and noninvasive methods such as US elastography in the assessment of liver fibrosis.

Intestinal Behçet Disease: Evaluation With MR Enterography-A Case-Control Study.

Objective: The purposes of this study were to discern imaging findings that distinguish Behçet disease from small-bowel Crohn disease, to find initial performance estimates for these findings, and to evaluate the diagnostic value of MR enterography (MRE) for detecting intestinal Behçet disease.

Materials And Methods: The MRE examinations of 30 consecutively registered patients with established intestinal Behçet disease were reviewed by two blinded readers. The frequencies of MRE findings were compared with those obtained for 30 control subjects with small-bowel Crohn disease who were matched for sex and age.

The effect of magnetic resonance imaging on neural tube development in an early chicken embryo model.

Purpose: We aimed to determine whether varying the magnetic field during magnetic resonance imaging would affect the development of chicken embryos and neural tube defects.

Methods: Following incubation for 24 h, we exposed chicken embryos to varying magnetic fields for 10 min to assess the impact on development. Three magnetic resonance imaging devices were used, and the eggs were divided into four groups: group 1 is exposed to 1 T, group 2 is exposed to 1.

Rectal cancer confined to the bowel wall: the role of 3 Tesla phased-array MR imaging in T categorization.

Objective: To determine the diagnostic value of 3 Tesla MR imaging in detection of mucosal (Tis), submucosal (T) and muscularis propria (T) invasion in patients with early rectal cancer.

Methods: A total of 50 consecutive patients who underwent 3 Tesla MR imaging and curative-intent intervention for MRI-staged Tis/T/T rectal cancer from March 2012 to December 2016 were included. The radiological T category of each rectal tumour was compared retrospectively with histopathological results assessed according to the tumor, node, metastasis (TNM) classification.

Successful Bosutinib Experience in an Elderly Acute Lymphoblastic Leukemia Patient with Suspected Central Nervous System Involvement Transformed from Chronic Myeloid Leukemia.

Managing the blast phase in chronic myeloid leukemia (CML) is challenging because limited data are available for elderly patients. The involvement of the central nervous system (CNS) increases the risk of a poor prognosis. Here, we present an elderly blast phase CML patient with suspected CNS involvement who was successfully treated with bosutinib.

Abdominal aortic aneurysm causing lumbar vertebral erosion in Behçet's disease presenting by low back pain.

Behçet's disease (BD) is a chronic multi-system disorder commonly seen in Mediterranean, middle east and far eastern populations. In this report, we describe a case of a 55-year-old male with Behçet's disease who presented with a low back pain and sciatica. Imaging studies showed that he had a destruction of the third lumbar vertebra because of abdominal aortic aneurysm-related Behçet's disease.

Diagnostic value of T1-weighted gradient-echo in-phase images added to MRCP in differentiation of hepatolithiasis and intrahepatic pneumobilia.

Objective: The purpose of this article is to determine the added diagnostic value of T1-weighted gradient-echo in-phase images obtained during MRCP in the detection and differentiation of hepatolithiasis and intrahepatic pneumobilia.

Materials And Methods: Intrahepatic bile ducts in 47 patients were scored in terms of their possibility of containing biliary stone and air. MRI was performed with a 1-T system for 32 patients and with a 3-T system for 15 patients.

Cerebral vein thrombosis as an exceptional cause of transient ischemic attack.

We present a case of transient ischemic attack (TIA) as an extremely rare presentation of cerebral vein thrombosis. A 41-year-old man presented with a headache and episodes of hypoesthesia on his left side lasting approximately 30 minutes. Several vascular risk factors were remarkable in his medical history.

MR imaging in diffuse-type hepatocellular carcinoma with synchronous portal vein thrombi.

Background/aims: Diffuse or continuous multifocal tumors with accompanying portal vein thrombosis yield considerable changes in the magnetic resonance imaging findings of hepatocellular carcinoma. The overlapped imaging findings of these two co-existing pathologies may be confusing. We aimed to evaluate the magnetic resonance imaging findings of widespread hepatocellular carcinoma lesions complicated with portal vein thrombosis.

MR angiography of esophageal mural veins in portal hypertension: a correlation with endoscopic grades of esophageal varices.

Background/aims: The esophageal mural veins are important for providing blood to the esophageal submucosal varices. The purpose of this study was to investigate any correlation between the diameters of esophageal mural veins as observed on routine contrast-enhanced magnetic resonance angiography and the endoscopic grades of esophageal varices in patients with portal hypertension.

Methods: The images of 57 patients with portal hypertension in whom magnetic resonance portography was performed were evaluated retrospectively.

Relationship between levels of serum creatinine and perirenal hyperintensity on heavily T2-weighted MR images.

Objective: To determine the frequency of perirenal hyperintensity on heavily T2-weighted images and to evaluate its relationship with serum creatinine levels.

Subjects And Methods: Axial and coronal single-shot fast spin-echo images which have been originally obtained for MR cholangiopancreatography in 150 subjects were examined by two observers individually for the presence of perirenal hyperintensity. The morphologic properties of perirenal hyperintensity (peripheral rim-like, discontinuous, polar) were recorded.

An unusual case of neurobrucellosis presenting with unilateral abducens nerve palsy: clinical and MRI findings.

Brucellosis is an endemic zoonotic disease in which neurobrucellosis occurs in 5-10% of cases. Variable clinical and radiological manifestations of neurobrucellosis can mimic those of other diseases. In this report, we present unusual clinical and magnetic resonance imaging (MRI) findings in a patient with neurobrucellosis and unilateral abducens nerve palsy.

Veins around the esophagus and the stomach: do their calibrations provide a diagnostic clue for portal hypertensive gastropathy?

Objective: We analyze whether calibrations of esophagogastric veins can be used as an indirect sign for the presence of portal hypertensive gastropathy (PHG).

Patients And Methods: The diameters of the left gastric, paraesophageal, and azygos veins were measured on magnetic resonance (MR) portograms of 57 patients with portal hypertension. The mean diameters of the above mentioned veins in patients with and without PHG were compared with Mann-Whitney U test.

Muscular and condylar response to rapid maxillary expansion. Part 2: magnetic resonance imaging study of the temporomandibular joint.

Introduction: In this prospective clinical study, we used bilateral temporomandibular joint (TMJ) magnetic resonance images (MRIs) to investigate the condylar response to rapid maxillary expansion (RME).

Methods: Bilaterial MRIs of the TMJs of 18 subjects (11 girls, 7 boys; mean age, 12.54 years; range, 9.

Imaging features of portal biliopathy: frequency of involvement patterns with emphasis on MRCP.

Purpose: To investigate the imaging features of portal biliopathy with emphasis on MR cholangiopancreatography (MRCP). The ancillary vascular findings of portal biliopathy were also evaluated by accompanying MR portography, dynamic contrast-enhanced (CE) CT, and dynamic CE MRI studies.

Materials And Methods: Sixteen patients with portal cavernoma were included in the study.

Primary biliary cirrhosis: evaluation with T2-weighted MR imaging and MR cholangiopancreatography.

Purpose: The aim of this retrospective study is to evaluate the role of T2-weighted MR imaging (MRI) and MR cholangiopancreatography (MRCP) findings in the diagnosis of primary biliary cirrhosis (PBC).

Materials And Methods: The following T2-weighted MRI and MRCP findings: segmental hepatic atrophy/hypertrophy, irregular liver surface, parenchymal lace-like fibrosis, rounded low signal intensity lesions centering portal vein branches (periportal halo sign), periportal hyperintensity (cuffing), splenomegaly, ascites, lymphadenopathy, venous collaterals, and the configuration of intrahepatic biliary ducts were reviewed for their diagnostic significance by two observers in 13 female patients (mean age: 49 years) with PBC. Discordant readings of the observers were resolved at consensus.