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Clinical Imaging

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https://www.readbyqxmd.com/read/28823603/sonographic-findings-of-early-pregnancy-in-the-rudimentary-horn-of-a-unicornuate-uterus-a-two-case-report
#1
Christine K Dove, Sara M Harvey, Lucy B Spalluto
Congenital uterine anomalies have a profound impact on reproductive outcomes. The unicornuate uterus accounts for approximately 20% of all congenital uterine anomalies. Unicornuate uterine anomalies with non-communicating rudimentary horns are at risk of developing ectopic pregnancy in the rudimentary horn. Given increased risked of uterine rupture, rudimentary horn pregnancies pose significant maternal health risks. Understanding the sonographic appearance of early pregnancy within the rudimentary horn of the unicornuate uterine configuration is imperative for appropriate and timely clinical management...
August 15, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28818763/the-qualitative-and-quantitative-image-analysis-of-mr-imaging-in-patients-with-acute-on-chronic-liver-failure
#2
Tae Wook Kang, Mimi Kim, Young Kon Kim, Seong Hyun Kim, Dong Hyun Sinn, Kyunga Kim
PURPOSE: To evaluate the distinctive features of ACLF and chronic liver disease (CLD) on MR images using quantitative and qualitative analyses. METHODS: Twelve patients with ACLF and 36 patients with CLD who had undergone MR images were included. MR imaging findings from both groups were assessed. RESULTS: Gallbladder edema, esophageal varix, and ascites were significantly more prevalent in the ACLF group (all P-values <0.05). The liver to muscle SI ratio on T2-WI was significantly higher in the ACLF group (P=0...
August 10, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28806574/quantitative-diffusion-weighted-magnetic-resonance-imaging-assessment-of-chemotherapy-treatment-response-of-pediatric-osteosarcoma-and-ewing-sarcoma-malignant-bone-tumors
#3
Andrew J Degnan, Chul Y Chung, Amisha J Shah
OBJECTIVE: Assessment of tumor response to chemotherapy is essential in managing malignant pediatric bone tumors prior to resection. SUBJECTS AND METHODS: Pre-chemotherapy and post-chemotherapy osteosarcoma and Ewing sarcoma cases (n=18) were analyzed with apparent diffusion coefficient (ADC) values measured by two readers. RESULTS: Treated tumors demonstrated significantly greater ADC values compared to untreated tumors (p<0.001). Intraclass correlation coefficients ranged between 0...
August 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28806573/digital-breast-tomosynthesis-vacuum-assisted-biopsy-for-tomosynthesis-detected-sonographically-occult-lesions
#4
Nikki S Ariaratnam, Sherrill T Little, Markus A Whitley, Kristy Ferguson
PURPOSE: To assess the utility and pathological results from DBT VAB for lesions occult on 2D mammography and breast ultrasound (US). MATERIALS AND METHODS: A retrospective review of 1116 consecutive stereotactic biopsies was performed over 27months. DBT VAB was performed for 38 non-calcified lesions which were solely detected using DBT. Imaging findings and pathology results were reviewed. RESULTS: Pathologic findings were malignant in 8 of 38 lesions [masses (5) and distortion (3)]...
August 5, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28797966/rare-case-of-pulmonary-involvement-in-an-adult-with-kawasaki-disease
#5
Joanna G Escalon, Xiaoping Wu, Ian R Drexler, Lindsay Lief, Maria Plataki, Michael Bender, James F Gruden
Kawasaki disease is an acute, self-limited, febrile vasculitis typically seen in early childhood. Pulmonary involvement is uncommon and is not part of the conventional diagnostic criteria. We add to the literature a unique case of a 22year-old male with Kawasaki disease and pulmonary involvement. It illustrates the importance of recognizing unusual presentations of Kawasaki disease and highlights the possibility of pulmonary abnormalities on physical and imaging examination. Awareness of such presentations can help avoid delayed diagnosis, prevent the development of coronary aneurysms, and allow careful observation for imaging resolution...
August 3, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28818762/reflector-guided-breast-tumor-localization-versus-wire-localization-for-lumpectomies-a-comparison-of-surgical-outcomes
#6
Sejal N Patel, Victoria L Mango, Priya Jadeja, Lauren Friedlander, Elise Desperito, Ralph Wynn, Sheldon Feldman, Richard Ha
PURPOSE: To compare surgical outcomes of SAVI SCOUT reflector localization (SSL) versus wire localization (WL) for breast tumors. METHODS: Retrospective review of 42 SSL cases and 42 WL cases. WL patients were consecutively matched for clinical-pathologic features. Final surgical outcome measures were tumor specimen volume, margin status, and re-excision rates. RESULTS: No significant differences were present in median specimen volumes (SSL-15...
August 1, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28810181/screening-performance-for-callosal-agenesis-in-prenatal-life-single-center-study
#7
Hubert Huras, Magdalena Nowak, Izabela Herman-Sucharska, Malgorzata Radon-Pokracka, Agnieszka Nocun, Marcin Wiechec
OBJECTIVES: 1) To analyze screening performance of second trimester scan for ACC, 2) to evaluate the agreement between ultrasound and MRI and 3) to compare prenatal and postnatal diagnosis. METHODS: It was a prospective observational study. All patients with fetuses suspected of ACC were referred to prenatal MRI (pMRI). RESULTS: One subject was not confirmed by pMRI with the diagnosis of ACC. This case demonstrated partial ACC in neonatal MRI (nMRI)...
August 1, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28779630/vaginal-tumor-vesical-fistula-detected-by-dynamic-fluorodeoxyglucose-positron-emission-tomography-computed-tomography-a-case-report
#8
Naoya Ishibashi, Toshiya Maebayashi, Takuya Aizawa, Masakuni Sakaguchi, Yasuo Amano
Preoperative fistulas are rare in patients with bladder mucosa-invading gynecological tumors. This is the first reported case of a vesico-vaginal fistula identified using 2-deoxy-2-[fluorine-18]fluoro-d-glucose positron emission tomography/computed tomography ((18)F-FDG-PET/CT) in a patient with vaginal cancer. A 61-year-old woman with vaginal cancer underwent (18)F-FDG-PET/CT for assessment of the mass and lymph nodes. Assessment was difficult because overlap of FDG uptake occurred on (18)F-FDG-PET/CT images obtained 60min after FDG injection...
August 1, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28780146/diffusion-weighted-imaging-as-a-routine-mri-protocol-for-the-evaluation-of-infantile-hemangioma
#9
LETTER
Masahiro Kitami
No abstract text is available yet for this article.
July 28, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28768597/diffusion-weighted-imaging-for-cutaneous-vascular-anomalies
#10
LETTER
Mark D Mamlouk, Andrew D Nicholson, Daniel L Cooke, Christopher P Hess
No abstract text is available yet for this article.
July 28, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28778011/dynamic-bicycle-exercise-to-assess-cardiac-output-at-multiple-exercise-levels-during-magnetic-resonance-imaging
#11
Johan Heiberg, Benjamin Asschenfeldt, Marie Maagaard, Steffen Ringgaard
PURPOSE: The aim was to establish a method for performing dynamic exercise during magnetic resonance imaging (MRI) using a slowly increasing workload protocol. METHODS: An ergometer bicycle with a step-wise, exercise protocol was used. Real-time phase-contrast MRI images of the aorta were obtained at each exercise step. RESULTS: In total, 40 participants completed the exercise protocol to reach a mean maximum cardiac output of 13.7±3.7l/min and a heart rate of 150±16beats/min at the highest exercise level...
July 27, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28768224/igg4-related-hypertrophic-pachymeningitis-of-the-spine-with-mpo-anca-seropositivity
#12
Mary Maher, George Zanazzi, Phyllis Faust, Katherine Nickerson, Tony T Wong
IgG4-related disease is an immune-mediated fibro-inflammatory condition that affects multiple organ systems. When the pachymeninges are involved, it is termed IgG4-related hypertrophic pachymeningitis (IgG4-RHP). We present a 79-year-old woman with back pain found to have IgG4-RHP localized exclusively in the spine who was also seropositive for myeloperoxidase anti-neutrophil cytoplasmic antibodies (MPO-ANCA). This case is the first known report of IgG4-RHP in the spine with MPO-ANCA and adds to emerging evidence for potential disease overlap in the pathogenesis of hypertrophic pachymenigitis (HP)...
July 27, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28768225/complex-liver-cysts-in-autosomal-dominant-polycystic-kidney-disease
#13
Zerwa Farooq, Ashkan Heshmatzadeh Behzadi, Jon D Blumenfeld, Yize Zhao, Martin R Prince
PURPOSE: To determine prevalence of complex liver cysts in Autosomal Dominant Polycystic Kidney Disease (ADPKD). METHODS: Abdominal MRI in 186 ADPKD subjects were evaluated by two independent observers to determine prevalence of complex liver cysts. RESULTS: 23 (12%) of subjects, had at least 1 complex cyst. Only 8 (4%) were reported to have a complex cyst prospectively, representing an under-reporting rate of 65%. Median total cyst volume was 66-times greater for subjects with complex cysts compared to subjects without (p<0...
July 25, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28755581/relationship-between-diminution-of-small-pulmonary-vessels-and-emphysema-in-chronic-obstructive-pulmonary-disease
#14
Shuko Mashimo, Shotaro Chubachi, Akihiro Tsutsumi, Naofumi Kameyama, Mamoru Sasaki, Masahiro Jinzaki, Hidetoshi Nakamura, Koichiro Asano, John J Reilly, Tomoko Betsuyaku
OBJECTIVES: To investigate the relationship between small pulmonary vessels and extent of emphysema on CT in individual lungs with chronic obstructive pulmonary disease (COPD). METHODS: Forty-nine patients were included. The percentage of cross-sectional area of vessels <5mm(2) (%CSA <5) and extent of emphysema were assessed. RESULTS: Less than half of the COPD patients demonstrated an inverse correlation between %CSA <5 and percentage of low attenuation area (LAA%)...
July 18, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28755582/spectral-doppler-ultrasound-of-peripheral-arteries-a-pictorial-review
#15
REVIEW
Zachary Nuffer, Andrey Rupasov, Neel Bekal, Jacqueline Murtha, Shweta Bhatt
This article reviews the pathophysiology and sonographic findings of peripheral arterial lesions, with emphasis on the spectral Doppler waveforms encountered in each. It discusses the characteristic features of the Doppler spectra in obstructive conditions, including thromboembolism, atherosclerotic disease, bypass graft occlusion, dissection, trauma, and compartment syndrome, as well as non-obstructive conditions, including hyperemia, pseudoaneurysm, and arteriovenous fistula. Familiarity with the commonly-encountered spectral waveforms in the setting of these lesions is necessary for timely and accurate diagnosis and treatment...
July 16, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28734142/differences-between-genders-in-colorectal-morphology-on-ct-colonography-using-a-quantitative-approach-a-pilot-study
#16
Charles N Weber, Jason A Poff, Anna S Lev-Toaff, Marc S Levine, Hanna M Zafar
PURPOSE: To explore quantitative differences between genders in morphologic colonic metrics and determine metric reproducibility. METHODS: Quantitative colonic metrics from 20 male and 20 female CTC datasets were evaluated twice by two readers; all exams were performed after incomplete optical colonoscopy. Intra-/inter-reader reliability was measured with intraclass correlation coefficient (ICC) and concordance correlation coefficient (CCC). RESULTS: Women had overall decreased colonic volume, increased tortuosity and compactness and lower sigmoid apex height on CTC compared to men (p<0...
July 15, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28750354/assessing-tumor-extent-on-contrast-enhanced-spectral-mammography-versus-full-field-digital-mammography-and-ultrasound
#17
Bhavika K Patel, Sandra Alheli Garza, Sarah Eversman, Yania Lopez-Alvarez, Heidi Kosiorek, Barbara A Pockaj
OBJECTIVES: To compare breast cancer size measurements on full-field digital mammography (FFDM), contrast-enhanced spectral mammography (CEDM), and ultrasound (US), with histologic tumor size used as the reference standard. Material and methods The HIPAA complaint, IRB approved study comprised 88 women with newly diagnosed breast cancer who underwent FFDM and CEDM;74 also had US. Breast density, histologic subtype, and maximum tumor measurements were recorded. RESULTS: Pearson correlation coefficients for FFDM, US, and CEDM vs histopathology were 0...
July 12, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28732244/thyroglossal-duct-cysts-in-children-sonographic-features-every-radiologist-should-know-and-their-histopathological-correlation
#18
REVIEW
Emilio Inarejos Clemente, Modupe Oyewumi, Evan J Propst, Bo-Yee Ngan, Mary-Louise Greer
Distinguishing between thyroglossal duct cysts (TGDC) and dermoid cysts (DC) sonographically can be challenging. We illustrate the three sonographic features in neck masses in children recently identified as being most suggestive of TGDC (septa, irregular wall and solid elements) and their corresponding histopathology. These three variables form a proposed predictive model for TGDC as a guide to surgical intervention. Pediatric radiologists should be familiar with these key imaging features, as compared with other imaging features described in TGDC also illustrated here, which are less discriminating...
July 12, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28723585/clinical-utility-of-contrast-enhanced-spectral-mammography-as-an-adjunct-for-tomosynthesis-detected-architectural-distortion
#19
Bhavika K Patel, Michelle E Naylor, Heidi E Kosiorek, Yania M Lopez-Alvarez, Adrian M Miller, Victor J Pizzitola, Barbara A Pockaj
OBJECTIVE: Supplement tomosynthesis-detected architectural distortions (AD) with CESM to better characterize malignant vs benign lesions. METHODS: Retrospective review CESM prior to biopsied AD. Pathology: benign, radial scar, or malignant. RESULTS: 49 lesions (45 patients). 29 invasive cancers, 1 DCIS (range, 0.4-4.7cm); 9 radial scars; 10 benign. 37 (75.5%) ADs had associated enhancement. PPV 78.4% (29/37), sensitivity 96.7% (29/30); specificity, 57...
July 12, 2017: Clinical Imaging
https://www.readbyqxmd.com/read/28734143/cortical-thickness-changes-in-adult-moyamoya-disease-assessed-by-structural-magnetic-resonance-imaging
#20
Peng-Gang Qiao, Zhi-Wei Zuo, Cong Han, Juan Zhou, Hong-Tao Zhang, Lian Duan, Tianyi Qian, Gong-Jie Li
PURPOSE: To characterize the changes in cortical thickness of adult patients with moyamoya disease (MMD). METHODS: 60 patients with MMD and 60 age and sex-matched healthy volunteers were recruited. Structural images were acquired by MRI. Freesurfer was used to measure cortical thickness in patients and controls, and this was compared with MRA scores and cerebrovascular accident (CVA) scores. RESULTS: Compared with controls, the average cortical thickness of both cerebral hemispheres was lower in patients than in controls and symmetrical differences were seen in the regional cortex: bilateral precentral gyri were thinner, bilateral postcentral gyri and posterior cingulate gyri were thicker, and thinning and thickening were both found in the insula...
July 11, 2017: Clinical Imaging
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