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https://www.readbyqxmd.com/read/28324716/postnatal-mri-for-cdh-a-pictorial-review-of-late-presenting-and-recurrent-diaphragmatic-defects
#1
REVIEW
Wendy Kim, Jesse Courtier, Cara Morin, Narendra Shet, Eric Strauch, Jane S Kim
Late-presenting or recurrent diaphragmatic defects can pose a diagnostic challenge due to varying clinical presentations. Current diagnostic approaches include plain film radiograph for initial assessment, with other imaging modalities such as fluoroscopy, ultrasound, CT and MRI mainly utilized for troubleshooting. As a radiation-free modality, MRI can provide a more definitive diagnosis in particular cases due to its ability to visualize discontinuity of the diaphragm, distinguishing it from eventration. MRI can also accurately characterize hernia contents, defect location and size...
March 8, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28324714/association-between-nephrolithiasis-and-fatty-liver-detected-on-non-enhanced-ct-for-clinically-suspected-renal-colic
#2
Abdel-Rauf Zeina, Limor Goldenberg, Alicia Nachtigal, Rabea Hasadia, Walid Saliba
PURPOSE: To estimate a direct association between nephrolithiasis and hepatosteatosis in patients referred to CT due to clinical suspicion of renal colic. METHODS: A 508 non-contrast CT scans were examined for calculi in the kidneys or urinary tract, including measurements of liver attenuation, spleen attenuation, thickness of visceral and subcutaneous fat. Logistic regression examined the association of nephrolithiasis and hepatosteatosis findings. RESULTS: Nephrolithiasis was found in 421 (83...
March 16, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28324118/early-onset-polymyalgia-rheumatica-two-rare-cases-under-age-of-50
#3
Jinyoung Park, Duk Hyun Sung
Polymyalgia rheumatica (PMR) is almost an exclusive disease of adults over the age of 50, and only a few cases have been reported. Two 46-year-old females visited our locomotor pain clinic with multiple joint pain with increased acute phase reactants. Rheumatologic markers, and HLA-B27 were checked. Serum protein electrophoresis and serum immunofixation electrophoresis, imaging studies including plane image, sonography, and magnetic resonance image was done. (18)F-Fludeoxyglucose positron emission tomography/computed tomography (FDG-PET/CT) showed characteristic findings of PMR, without evidences of sacroiliitis...
March 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28323692/hyperlordosis-is-associated-with-facet-joint-pathology-at-the-lower-lumbar-spine
#4
Thorsten Jentzsch, James Geiger, Matthias A König, Clément M L Werner
STUDY DESIGN: A retrospective study. OBJECTIVE: Our study opted to clarify the remaining issues of lumbar lordosis (LL) with regard to (1) its physiological values, (2) age, (3) sex, and (4) facet joint (FJ) arthritis and orientation using computed tomography (CT) scans. SUMMARY OF BACKGROUND DATA: Recent studies have questioned whether LL really decreases with age, but study sample sizes have been rather small and mostly been based on x-rays...
April 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28319809/abt-737-synergizes-with-cisplatin-bypassing-aberration-of-apoptotic-pathway-in-non-small-cell-lung-cancer
#5
Eun Young Kim, Ji Ye Jung, Arum Kim, Yoon Soo Chang, Se Kyu Kim
A subset of non-small cell lung cancer (NSCLC), which does not have a druggable driver mutation, is treated with platinum-based cytotoxic chemotherapy, but it develops resistance triggered by DNA damage responses. Here, we investigated the effect of activation of STAT3 by cisplatin on anti-apoptotic proteins and the effectiveness of a co-treatment with cisplatin and a BH3 mimetic, ABT-737. We analyzed the relationship between cisplatin and STAT3 pathway and effect of ABT-737, when combined with cisplatin in NSCLC cells and K-ras mutant mouse models...
March 17, 2017: Neoplasia: An International Journal for Oncology Research
https://www.readbyqxmd.com/read/28319496/the-utility-of-68ga-psma-pet-ct-in-poorly-differentiated-metastatic-prostate-cancer
#6
Mehmet Onur Demirkol, Murat Can Kiremit, Omer Acar, Burcu Ucar, Yesim Saglican
We aimed to emphasize how useful PSMA PET/CT findings can be while trying to restage prostate cancer after radical prostatectomy in the presence of low prostate-specific antigen values. A 64-year-old man with pT3b N1 M0 Gleason 7 adenocarcinoma of the prostate presented 5 years postoperatively with a palpable axillary mass, whereas his prostate-specific antigen was 0.08 ng/mL. Conventional imaging studies and histopathologic findings of the axillary mass biopsy revealed inconclusive results. Ga-PSMA PET/CT demonstrated PSMA-positive metastatic lesions, the largest one being located in the right axilla...
March 17, 2017: Clinical Nuclear Medicine
https://www.readbyqxmd.com/read/28318982/vertebral-artery-injury-in-patients-with-isolated-transverse-process-fractures
#7
Phillip A Bonney, Joshua D Burks, Andrew K Conner, Chad A Glenn, Cordell M Baker, Ahmed A Cheema, Jacob B Archer, Bryan E Buster, Roxie M Albrecht, Bradley N Bohnstedt
We sought to assess the rate of CTA-diagnosed vertebral artery injury in patients with isolated transverse process fractures, with and without extension into the transverse foramen, in the blunt-trauma population served by our hospital. We queried our universities trauma registry between January 2009 and July 2014 for ICD-9 codes pertaining to cervical spine fractures. Of 330 patients identified, 45 patients had fractures limited to the transverse process and were selected for the study population. For each patient identified, demographics, injury mechanism, imaging reports, angiography findings, and treatments were recorded...
March 17, 2017: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
https://www.readbyqxmd.com/read/28318573/ophthalmic-outcomes-of-fractured-zygomas
#8
R J McGalliard, J Kimpton, N M H McLeod
In patients with fractures of the zygomatic complex, computed tomography (CT) often identifies extensive defects in the orbital floor. Some surgeons recommend routine exploration and repair of these defects during repair of the zygoma, while others advocate a more selective approach, but there is a paucity of evidence either way. We report a retrospective case series of 50 patients who had open reduction and internal fixation of zygomatic fractures by a single surgeon in the maxillofacial department at the John Radcliffe Hospital, Oxford, between 2011and 2014...
March 16, 2017: British Journal of Oral & Maxillofacial Surgery
https://www.readbyqxmd.com/read/28318437/case-240-meckel-diverticulitis
#9
R Ashley Milam, Ricardo B Fonseca
History A previously healthy 28-year-old man developed right lower quadrant pain while traveling. The pain progressed over the course of 2-3 days, and his family took him to a local emergency department. He was found to have an elevated white blood cell count of 12.2 × 10(9)/L (reference range, [3.9-10.3] × 10(9)/L), with a predominance of neutrophils. Contrast material-enhanced computed tomography (CT) of the abdomen and pelvis was performed, and findings were abnormal. The patient elected to leave the emergency department without undergoing treatment, and he returned home via airplane...
April 2017: Radiology
https://www.readbyqxmd.com/read/28318403/familial-cerebral-cavernous-malformations-are-associated-with-adrenal-calcifications-on-ct-scans-an-imaging-biomarker-for-a-hereditary-cerebrovascular-condition
#10
Corinne D Strickland, Steven C Eberhardt, Mary R Bartlett, Jeffrey Nelson, Helen Kim, Leslie A Morrison, Blaine L Hart
Purpose To determine if adrenal calcifications seen at computed tomography (CT) are associated with familial cerebral cavernous malformations (fCCMs) in carriers of the CCM1 Common Hispanic Mutation. Materials and Methods This study was approved by the institutional review board. The authors retrospectively reviewed abdominal CT scans in 38 patients with fCCM, 38 unaffected age- and sex-matched control subjects, and 13 patients with sporadic, nonfamilial cerebral cavernous malformation (CCM). The size, number, and laterality of calcifications and the morphologic characteristics of the adrenal gland were recorded...
March 20, 2017: Radiology
https://www.readbyqxmd.com/read/28317583/the-diagnostic-performance-of-18-f-fdg-pet-ct-ct-and-mri-in-the-treatment-evaluation-of-ablation-therapy-for-colorectal-liver-metastases-a-systematic-review-and-meta-analysis
#11
REVIEW
M Samim, I Q Molenaar, M F J Seesing, P S N van Rossum, M A A J van den Bosch, T J M Ruers, I H M Borel Rinkes, R van Hillegersberg, M G E H Lam, H M Verkooijen
PURPOSE: Uncertainty exists regarding the optimal imaging modality for timely detection of disease progression (DP) after ablation therapy for colorectal liver metastases. We evaluated the diagnostic accuracy of (18)F-FDG PET(/CT), CT and MRI for detection of DP following ablation therapy. METHODS: A systematic search was performed on May 18, 2016. The analysis included studies that reported on the diagnostic accuracy of (18)F-FDG PET(/CT), CT and/or MRI for post-ablative evaluation of patients with liver metastases...
March 2017: Surgical Oncology
https://www.readbyqxmd.com/read/28317447/intraspinal-bronchogenic-cyst-series-of-case-reports-and-literature-review
#12
Xueying Ma, Wenfei Li, Chen Niu, Fengli Liang, Liping Guo, Tahir Mehmood Shakir, Ming Zhang
PURPOSE: Spinal bronchogenic cysts (SBCs) are rare congenital lesions. The clinical and imaging characteristics and treatment of SBCs are not well known. We studied three cases of SBCs retrospectively, which were registered in our department and analyzed eight case reports which were all published in English, focusing on providing a deeper knowledge of SBCs. METHODS: Three patients with SBCs registered in our department were retrospectively reviewed. Eight reported SBCs cases published from 1992 to 2015 were enrolled in our study...
March 20, 2017: Journal of Spinal Cord Medicine
https://www.readbyqxmd.com/read/28316309/high-resolution-ct-angiogram-for-lower-extremity-vein-mapping
#13
Mark P Wright, Matthew R Smeds, Lonnie Wright, Ahsan T Ali
High-resolution CT angiogram (CTA) has replaced traditional diagnostic angiography as the main preoperative imaging modality for vascular surgery patients. Although the use of CTA is increasing for arterial imaging, it has not been used routinely for vein mapping. The goal of this study was to evaluate the accuracy of CTA for venous anatomy and compare it to a standard venous duplex ultrasound (DUS). When the vein was used for bypass, the quality and size of the vein were evaluated in the operating room. As part of a preoperative workup before lower extremity revascularization, 16 patients underwent a CTA followed by a DUS...
March 1, 2017: American Surgeon
https://www.readbyqxmd.com/read/28316216/-correlation-between-the-ct-features-and-malignancy-risk-of-small-%C3%A2-5-cm-gastric-stromal-tumors
#14
J Wang, J L Xu, H J Hu
Objective: To evaluate the correlation between computed tomography (CT) features and malignancy risk category of small (≤5 cm) gastric stromal tumors (GST), in order to provide an image reference for preoperative assessment and intraoperative pathological diagnosis. Methods: Eighty-three patients with surgically and pathologically proven GST (≤5 cm) between January 2011 and November 2015 were recruited, and their clinical, pathological and CT data were retrospectively analyzed. According to the pathological results and malignancy risk category, the patients were divided into 2 groups, the benign biological behavior group (very low and low risk) and malignant biological behavior group (intermediate and high risk)...
March 23, 2017: Zhonghua Zhong Liu za Zhi [Chinese Journal of Oncology]
https://www.readbyqxmd.com/read/28315929/adnexal-masses-associated-with-peritoneal-involvement-diagnosis-with-ct-and-mri
#15
REVIEW
Audrey Ognong-Boulemo, Anthony Dohan, Christine Hoeffel, Agatha Stanek, François Golfier, Olivier Glehen, Pierre-Jean Valette, Pascal Rousset
Given the unique intra-peritoneal anatomic location of the adnexa, tubo-ovarian diseases can commonly spread into the peritoneal cavity. Peritoneal seeding may occur in a spectrum of adnexal conditions including infectious diseases, endometriosis, and benign or malignant primary or secondary ovarian tumors. CT is usually the imaging modality on which the concomitant involvement of the peritoneum and the ovary is depicted. The first diagnosis to be considered by the radiologist is generally peritoneal carcinomatosis from ovarian cancer but other conditions cited above have also to be borne in mind and may be suggested on the basis of careful assessment of CT findings or on further MR findings...
March 18, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28315917/a-pediatric-hypophosphatemic-rickets-on-mri-99m-tc-mdp-bone-scan-and-18-f-fdg-pet-ct
#16
Changyun Xu, Chao Ma, Yongli Bai
We present a case of a 13 years old boy who was hospitalized with a 10 months history of progressive pain and weakness in his lower extremities. The laboratory tests revealed slightly decreased phosphate and 25-hydroxyvitamin D3, high alkaline phosphatase, normal calcium and parathyroid hormone (PTH). Magnetic resonance imaging (MRI) showed multiple patchy lesions indicating bone destruction in the metaphyses and epiphyses of the left knee. Fluorine-18-fluorodeoxyglucose positron emission tomography/computed tomography ((18)F-FDG PET/CT) revealed a generalized decrease of bone density in axial bones with slightly increased (18)F-FDG metabolism...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315916/muscular-damage-in-a-patient-with-hepatitis-b-induced-by-beta-l-2-deoxythymidine-and-detected-by-18-f-fdg-pet-ct
#17
Jinhua Zi, Changyun Xu, Xuemei Zhang
A 58 years old man under 2'-Deoxy-L-thymidine treatment for his hepatitis B was admitted to our hospital complaining for the last 2 months of recurrent upper abdomen discomfort, fatigue and weight loss of 10 kilograms and general muscular soreness, for 2 weeks. He had elevated creatine kinase (CK), myoglobin, CK-MB and other related or common laboratory findings. Fluorine-18- fluorodeoxyglucose positron emission tomography/ computed tomography ((18)F-FDG PET/CT) showed a diffuse, homogenous, moderately elevated glucose uptake in all muscle groups...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315912/an-imaging-target-tgf-%C3%AE-1-for-hepatocellular-carcinoma-in-mice
#18
Yiqiu Zhang, Beilei Li, Xiao Li, Hui Tan, Dengfeng Cheng, Hongcheng Shi
It has been reported that the positive detection rate of Fluorine-18-fluorodeoxyglucose ((18)F-FDG) metabolism in positron emission tomography (PET) imaging, for the diagnosis of hepatocellular carcinoma (HCC) is only about 50%. In particular, (18)F-FDG PET imaging is prone to false negative findings in HCC. Transforming growth factor-beta1 (TGF-β1) shows over expression rates in early HCC liver tissue growth and promotes tumor invasion and metastases. Our aim was to use In this study, we used the feasibility of iodine-125 ((125)I)-labeled TGF-β1 antibody as a nuclear medicine imaging target in HCC...
March 20, 2017: Hellenic Journal of Nuclear Medicine
https://www.readbyqxmd.com/read/28315820/evaluating-differential-nuclear-dna-yield-rates-and-osteocyte-numbers-among-human-bone-tissue-types-a-synchrotron-radiation-micro-ct-approach
#19
Janna M Andronowski, Amy Z Mundorff, Isaac V Pratt, Jon M Davoren, David M L Cooper
Molecular human identification has conventionally focused on DNA sampling from dense, weight-bearing cortical bone tissue, typically from femora or tibiae. A comparison of skeletal elements from three contemporary individuals demonstrated that elements with high quantities of cancellous bone yielded nuclear DNA at the highest rates, suggesting that preferentially sampling cortical bone may be suboptimal (Mundorff & Davoren, 2014). Despite these findings, the reason for the differential DNA yields between cortical and cancellous bone tissues remains unknown...
March 6, 2017: Forensic Science International. Genetics
https://www.readbyqxmd.com/read/28314809/goodpasture-s-disease-with-late-presentation-of-renal-abnormality-and-anti-gbm-autoantibody
#20
Emily Ann Boardman, Sameira Sohail, Rajesh Yadavilli
Goodpasture's disease without circulating autoantibodies is a rare presentation of a rare diagnosis. We present the case of a man aged 17 years who had 3 hospital admissions over a 2-month period with haemoptysis and shortness of breath. Throughout his first 2 admissions, his renal function was normal and anti-glomerular basement membrane (GBM) antibodies were negative. CT pulmonary angiogram during his second admission revealed florid and diffuse alveolar infiltrates. However, high-resolution CT chest performed 4 weeks later showed complete resolution of these changes...
March 17, 2017: BMJ Case Reports
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