PURPOSE: The aim of this study is to establish standard MRI values for the cervical spinal canal, dural tube, and spinal cord, to evaluate age-related changes in healthy subjects, and to assess the prevalence of abnormal findings in asymptomatic subjects. METHODS: The sagittal diameter of the spinal canal and the ...

BackgroundMass-forming focal pancreatitis (FP) may mimic pancreatic cancer (PC) on magnetic resonance (MR) imaging, and the preoperative differential diagnosis is often difficult. Recently, the usefulness of diffusion-weighted imaging (DWI) in the diagnosis of pancreatic cancer has been reported in several studies.PurposeTo investigate if apparent diffusion coefficient (ADC) measurements based on ...

Aim:  Accurate and reliable imaging of pelvic floor dynamics is important for tailoring treatment in pelvic floor disorders, however two imaging modalities are available. Barium proctography (BaP) is widely used, but involves a significant radiation dose. MR proctography allows visualisation of all pelvic midline structures but patients are supine. This ...

PURPOSE: To identify characteristic magnetic resonance (MR) features of focal autoimmune pancreatitis (f-AIP) useful for differentiation from pancreatic cancer (PC). METHODS: We retrospectively analyzed MR imaging findings of 20 f-AIP lesions and 40 PC lesions smaller than 40 mm in diameter. On fat-suppressed T2-weighted images and dynamic contrast-enhanced fat-suppressed T1-weighted images ...

BACKGROUND & AIMS: The risk of pancreatic cancer is increased in patients with a strong family history of pancreatic cancer or a predisposing germline mutation. Screening can detect curable, non-invasive pancreatic neoplasms, but the optimal imaging approach is not known. We determined the baseline prevalence and characteristics of pancreatic abnormalities ...

This article illustrates causes of pelvic pain in girls and women that may be inadequately diagnosed by ultrasound (US) and more adequately assessed by magnetic resonance imaging (MRI). We describe MRI features necessary for detecting disease and helpful in differential diagnosis. Special attention is paid to correlating age and pathology ...

OBJECTIVES: The purpose of this study was to determine whether the choice for performance of endoscopic retrograde pancreatography (ERP) could be tailored to findings on computed tomography (CT) in patients with suspected autoimmune pancreatitis (AIP). METHODS: Eighty-four AIP patients and 73 pathology-proven pancreatic cancer patients from a prospectively maintained database ...

OBJECTIVE: We aimed to compare perfusion computed tomography (CTP) characteristics of the normal pancreas with those of chronic pancreatitis (CP) and to examine the possibility of evaluating pancreatic exocrine function with CTP. METHODS: Thirty-two patients (control group, n = 18; CP group, n = 14) who completed the whole pancreas ...

The purpose of this article is to present a proposal for quantification of exocrine function using secretin-enhanced MRCP for the diagnosis of chronic pancreatitis. The article also reviews the technique and application of secretin-enhanced MRCP in evaluating various pancreatic abnormalities. One hundred thirty-four consecutive patients with chronic abdominal pain undergoing ...

PURPOSE: To retrospectively determine the diagnostic accuracy of magnetic resonance imaging (MRI) and combined positron emission tomography/computed tomography (PET/CT) in the differential diagnosis of benign and malignant pancreatic lesions. MATERIALS AND METHODS: Twenty-seven patients (15 women/12 men, mean age 56.5 years) with MR imaging and PET/CT studies performed to differentiate ...

A 39-year-old female patient presented to our hospital with epigastric pain lasting for two months. Laboratory results showed impaired glucose tolerance. Ultrasonography of the patient showed a hypoechoic, diffusely enlarged pancreas. CT revealed a large pancreas, with multiple calcifications. On MRI, a diffusely enlarged pancreas was seen hypointense on both ...

Context Agenesis of the dorsal pancreas is rare. The dorsal pancreatic agenesis is described in two forms, the partial and the complete form. Patients with this anomaly may be asymptomatic or may present with diabetes mellitus, epigastric pain, acute or chronic pancreatitis. Case report We report the computed tomography (CT), ...

PURPOSE: To visualize the movement of pancreatic juice noninvasively by using an unenhanced magnetic resonance (MR) imaging technique. MATERIALS AND METHODS: Institutional review board approval and informed consent were obtained for this study. A flow-out technique of time-spatial labeling inversion pulse (SLIP) technique was applied using both nonselective and selective ...

A 7-year-old, 1.76 kg Maltese dog presented with a 4-year history of a chronic pustular lesion and a wet cough. Erosive lesions were seen at the left thoracic wall. Radiology and computed tomography (CT) revealed a bronchocutaneous fistula connecting from the left cranial bronchus to the skin. On definitive surgery, ...

The purpose of this study was to retrospectively assess the diagnostic performance of multi-detector row computed tomography (MDCT) in an evaluation of pancreas divisum using endoscopic retrograde pancreatography (ERP) as the reference standard. We analyzed 41 consecutive patients (14 cases of pancreas divisum and 27 cases of standard anatomy) who ...

Septum pellucidum (SP) and cavum SP (CSP) were delineated in two samples. The Longitudinal Study examined structural MR-images in first-episode schizophrenia (FESZ) and controls at two time-points. The Cross-Sectional Study examined structural and diffusion-tensor MR measures, including hippocampus and fornix, in chronic schizophrenia (SZ) at one time-point. CSP and SP ...

A 67-year-old man, previously operated for a pancreatic neuroendocrine tumor (NET), had progressive increase of serum chromogranin A during follow-up. Sequential Ga-DOTA-NOC and F-18 FDG PET/CT were performed. Ga-DOTA-NOC imaging was negative, whereas F-18 FDG PET/CT showed 2 hypermetabolic hepatic lesions demonstrated at CT-guided biopsy as metastatic deposits from a ...

Background: The aims of this study were to assess the role of endoscopic ultrasound (EUS) in the evaluation of adenocarcinoma of the head of the pancreas in cases of diagnostic dilemma and to determine the strength of agreement between perceived pre-operative stage as determined by computerised tomography (CT) and EUS ...

AIM: To compare pancreatic virtual unenhanced (VUE) and true unenhanced (TUE) images and to calculate the potential dose reduction by omitting the conventional unenhanced scan. MATERIALS AND METHODS: Fifty-one patients with known or suspected pancreatic masses underwent contrast-enhanced computed-tomography (CT) during unenhanced and portal venous phases acquired in single-energy (SE) ...

OBJECTIVE: In multiple endocrine neoplasia type 1, the main risk factor for metastases is pancreatic tumour size. We and others recommend limiting surgery to non-functioning pancreatic tumors ≥20mm or growing, based on their size measured with endoscopic ultrasonography. Because endoscopic ultrasonography is invasive, we compared endoscopic ultrasonography (EUS) to non-invasive ...

PURPOSE: To differentiate mass-forming autoimmune pancreatitis (AIP) from pancreatic carcinoma by means of analysis of both computed tomography (CT) and magnetic resonance imaging (MRI) findings. MATERIALS AND METHODS: Ten patients with mass-forming AIP diagnosed by revised clinical criteria of Japan Pancreas Society and 70 patients with pathologically proven pancreatic carcinoma ...

The aim of this study was to investigate the imaging findings of retroportal main pancreatic duct (RMPD), a rare anomaly of the pancreas, and circumportal pancreas (CP) on computed tomography (CT) and magnetic resonance (MR) imaging. We also reviewed the previous literature and discussed its best imaging method, etiology and ...

Manganese (Mn) is a calcium (Ca) analog that has long been used as a magnetic resonance imaging (MRI) contrast agent for investigating cardiac tissue functionality, for brain mapping and for neuronal tract tracing studies. Recently, we have extended its use to investigate pancreatic β-cells and showed that, in the presence ...

  To investigate the value of high b value diffusion-weighted (DW) imaging in differentiating between pancreatic carcinoma and mass-forming chronic pancreatitis (MFCP).   Fifty-one consecutive patients with pathology-proven pancreatic carcinoma (n = 37) or MFCP (n = 14) were evaluated with DW imaging (b value, 0 and 1000 s/mm(2) ) at a 3-T MR system. ...

Fat replacement of the exocrine pancreas is a rare cause of exocrine pancreatic failure. We report a case of 32-year-old man with weight loss and massive steatorrhea in whom abdominal computed tomography (CT) was diagnostic of pancreatic lipomatosis. The diagnosis was confirmed by needle aspiration cytological (FNAC) examination. Then oral ...

BACKGROUND AND AIMS: The purpose of this prospective study was to demonstrate the ability to measure pancreatic tumor tissue blood flow (TBF) with a noninvasive method using xenon inhalation computed tomography (xenon-CT) and to correlate TBF with histological features, particularly microvascular density (MVD). METHODS: TBFs of pancreatic tumors in 14 ...

INTRODUCTION: Delayed or decreased computed tomography (CT) enhancement characteristics in pancreatic fibrosis have been described. METHODS: A review of 157 consecutive patients with preoperative dual-phase CT between 2004 and 2009 was performed. Pancreatic CT attenuation upstream from the tumor was measured in the pancreatic and hepatic imaging phases. The ratio ...

OBJECTIVE: To compare diagnostic accuracy and interobserver reliability of Magnetic Resonance Imaging (MRI) and Multidetector Computed Tomography (MDCT) in the detection of acute pelvic fractures. MATERIALS AND METHODS: In 38 consecutive patients (mean age 74.7 years) with a positive finding of anterior pelvis fracture in the conventional X-rays, pelvic MRI ...

We present a case of pelvic venous congestion in a 13-year-old girl who complained of pelvic pain for 9 months. The diagnosis of pelvic congestion syndrome was suggested by imaging modalities, including sonography, CT and MRI, with classically described imaging findings. The girl underwent diagnostic laparoscopy, where visual inspection demonstrated congested ...

OBJECTIVES: In pancreatic body and tail carcinoma, "peripancreatic strands appearance" is frequently seen on multidetector CT (MDCT). The purpose of this study was to clarify the pathological and clinical implications of peripancreatic strands appearance. METHODS: We retrospectively evaluated MDCT images in 17 patients with pancreatic body and tail carcinoma who ...

OBJECTIVE: To investigate age-related changes in normal adult pancreas as identified by magnetic resonance imaging (MRI). MATERIALS AND METHODS: We examined 115 patients without pancreatic diseases (21-90 years) who underwent upper abdominal MRI to evaluate the normal pancreatic MRI findings related to aging. The parameters examined were the pancreatic anteroposterior ...

Endoscopic ultrasound (EUS) recently became a technique with a major clinical impact in digestive diseases. EUS determines a change in the diagnosis and management of more than half of examined patients. This review summarizes recent advances in the complementary EUS examination modalities such as elastography and microbubble contrast enhancement. EUS ...

The majority of pancreatic malignant tumours are adenocarcinomas of the ductal type, whereas acinar cell carcinoma (ACC) is unusual. Its management is not well codified, resulting from its low frequency. It seems however that curative operative resection represents the best first-line treatment. We present a case of ACC in a ...

PURPOSE: To analyse quantitatively and qualitatively asymptomatic hepatic and pancreatic involvement in hereditary haemorrhagic telangiectasia (HHT) using 64-section helical CT. MATERIALS AND METHODS: The 64-section helical CT examinations of 19 patients with HHT (8 men, 11 women; mean age, 58.6 years) were quantitatively and qualitatively analysed and compared to those of ...

Purpose: To prospectively determine whether dynamic contrast material-enhanced (DCE) magnetic resonance (MR) quantitative parameters correlate with fibrosis and microvascular density (MVD) in malignant and benign solid pancreatic focal lesions and nontumoral pancreatic tissue. Materials and Methods: The institutional review board approved the study; written informed consent was obtained. DCE MR ...

BACKGROUND:: Severe pelvic hemorrhage after low-energy trauma has been described in some reports of single cases only. However, it might not be as rare and unique as generally expected. The aim of this study was therefore to present a case series of 11 patients with severe pelvic hemorrhage after sustaining ...

We describe, here, the case report and detailed pelvic magnetic resonance imaging (MRI) aspect of a 17-year-old female XY teenager in which 5-α-reductase deficiency was caused by the homozygous Gly115Asp lost of function SRD5A2 mutation.

With 12 figures and 3 tables Summary The coxa of palaeognaths including extinct aepyornithid species was compared by means of osteology, computed tomography (CT) imaging and macroscopic anatomy. The pre-acetabular area of the ilium was proportionally much larger in width and height in aepyornithid species than in other extant palaeognaths. ...

The purpose of this study was to compare the modified CT severity index (MCTSI) with the CT severity index (CTSI) regarding assessment of severity parameters in acute pancreatitis (AP). Both CT indexes were also compared with the Acute Physiology, Age, and Chronic Health Evaluation (APACHE II) index. Of 397 consecutive ...

To evaluate the magnetic resonance (MR) imaging features of uterine adenomyoma in comparison with histopathologic findings. MR images of seven patients who had surgically proven uterine adenomyoma were retrospectively reviewed by two radiologists in consensus regarding the morphologic appearance, including tumor size, location, margin, presence of concomitant adenomyosis, presence and ...

The superior tissue contrast and flexible imaging planes afforded by magnetic resonance imaging (MRI) versus competing technologies permit optimal depiction of the pelvic viscera. Targeted protocols developed for specific pelvic visceral organs highlight important anatomic features that may not be imaged by other modalities. Therefore, a solid understanding of normal ...

Pelvic bone segmentation is a vital step in analyzing pelvic CT images and assisting physicians with diagnostic decisions in traumatic pelvic injuries. A new hierarchical segmentation algorithm is proposed using a template-based best shape matching method and Registered Active Shape Model (RASM) to automatically extract pelvic bone tissues from multi-level ...

Hemorrhage is the main cause of deaths that occurs within first 24 hours after a traumatic pelvic injury. Therefore, it is very important to determine hemorrhage quickly. Hemorrhages are detected using a CT scan. However, it is very time consuming for physicians to look for hemorrhage in all CT slices. ...

OBJECTIVE: The objective of the present study was to evaluate the role of (68)Ga-DOTA(0)-Phe(1)-Tyr(3)-octreotide ((68)Ga-DOTATOC) positron emission tomography computed tomography (PET-CT) for detection and staging of pancreatic neuroendocrine tumours (NETs). METHODS: Twenty patients with clinically suspected and/or histopathologically proven pancreatic NET underwent (68)Ga-DOTATOC PET-CT imaging for staging and /or localisation ...

Purpose: To develop microcapsules that immunoprotect pancreatic islet cells for treatment of type I diabetes and enable multimodal cellular imaging of transplanted islet cells. Materials and Methods: All animal experiments were approved by the institutional animal care and use committee. Gold nanoparticles functionalized with DTDTPA (dithiolated diethylenetriaminepentaacetic acid):gadolinium chelates (GG) ...

Spontaneous intramural duodenal haematoma develops mostly as a complication of anticoagulation therapy. Other causes were reported only as case reports. CT diagnostics has some typical features in an intramural haematoma of the small bowel. This is especially hyperdensity of the bowel wall during the first 10 days from the onset ...

Lymphoepithelial cyst (LEC) of the pancreas is a rare benign lesion that may mimic cystic neoplasms. Diagnosis of pancreatic LEC has been depended on the elevation of serum carbohydrate antigen 19-9 (CA 19-9), biopsy of the cyst by endoscopic ultrasonography (EUS) and several abdominal imaging techniques including magnetic resonance imaging ...

Solid lesions of the pancreas represent a heterogeneous group of entities that can be broadly classified as either neoplastic or nonneoplastic. Neoplastic lesions include pancreatic adenocarcinoma, pancreatic neuroendocrine tumor, solid pseudopapillary tumor, pancreatoblastoma, pancreatic lymphoma, metastases to the pancreas, and rare miscellaneous neoplasms. Nonneoplastic lesions include focal pancreatitis, fatty infiltration-replacement, ...

: Computed tomography (CT) perfusion studies can provide valuable information regarding tumor vascularization. We report on a study assessing CT perfusion characteristics in the normal pancreas and in patients with pancreatic adenocarcinoma. : Twenty healthy subjects and 20 patients with histologically confirmed pancreatic adenocarcinoma were included in the study after ...

A wide spectrum of anomalies of pancreas and the pancreatic duct system are commonly encountered at radiological evaluation. Diagnosing pancreatic lesions generally requires a multimodality approach. This review highlights the new advances in pancreatic imaging and their applications in the diagnosis and management of pancreatic pathologies. The mainstay techniques include ...