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https://www.readbyqxmd.com/read/28648002/-application-value-of-whole-brain-3d-artery-spin-labeling-in-diagnosis-of-intracranial-tumors
#1
Q Q Zhao, Q X Yang, G X Xu, Y C Lü, D L Rong, L Liu, R Zhang
Objective: To investigate the perfusion characteristics of arterial spin labeling (ASL) in intracranial tumor and its application value in classification. Methods: The clinical, pathological and imaging data of 44 patients with gliomas confirmed by pathology were analyzed retrospectively, including 9 low grade gliomas, 15 high grade gliomas, 11 cases of meningiomas, 6 cases of neurilemmoma, 3 cases of metastatic tumors.Conventional plain scan, 3D- ASL and MRI dynamic enhanced imaging (DSC-MRI) were performed...
June 20, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28647936/18f-fdg-pet-ct-pulmonary-infiltrates-in-non-hodgkin-lymphoma-patients-treated-with-combined-immunochemotherapy-incidence-and-clinical-characteristics
#2
Yael C Cohen, Tamar Berger, Lora Eshel, Dorit Stern, Osnat Bairey, Pia Raanani, Ofer Shpilberg
BACKGROUND: Pulmonary infiltrates (PIs) detected in patients with non-Hodgkin lymphoma (NHL) may present a diagnostic challenge due to their wide differential diagnosis, including infection, pulmonary lymphoma and immunochemotherapy-associated pulmonary toxicity. OBJECTIVES: To characterize therapy-associated PIs by positron emission tomography/computed tomography (PET/CT) imaging. METHODS: We conducted a historical analysis of fluorodeoxyglucose-PET/CT (18F-FDG-PET/CT) PIs in NHL patients treated with combined immunochemotherapy including rituximab...
June 2017: Israel Medical Association Journal: IMAJ
https://www.readbyqxmd.com/read/28647771/detection-of-potentially-relevant-extracolonic-and-colorectal-findings-at-ct-colonography-in-a-low-risk-symptomatic-patient-population
#3
F R S Netz, P J Pickhardt, M L G Janssen Heijnen, P C G Simons
PURPOSE: CT colonography (CTC) is a widely accepted examination tool for detection of colorectal lesions but evidence of the proportions of relevant extracolonic findings (ECF) in a large symptomatic but still relatively low-risk cohort is lacking, as well as their relationship to symptoms, age, and sex. METHODS: All patients (n = 3208) with colorectal symptoms, imaged between January 2007 and September 2016 with first-time CTC, were retrospectively selected. The majority (96...
June 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28647765/epidemiology-of-hepatocellular-carcinoma-target-population-for-surveillance-and-diagnosis
#4
REVIEW
An Tang, Oussama Hallouch, Victoria Chernyak, Aya Kamaya, Claude B Sirlin
Hepatocellular carcinoma (HCC) is the sixth most common cancer and the second leading cause of cancer mortality worldwide. Incidence rates of liver cancer vary widely between geographic regions and are highest in Eastern Asia and sub-Saharan Africa. In the United States, the incidence of HCC has increased since the 1980s. HCC detection at an early stage through surveillance and curative therapy has considerably improved the 5-year survival. Therefore, medical societies advocate systematic screening and surveillance of target populations at particularly high risk for developing HCC to facilitate early-stage detection...
June 24, 2017: Abdominal Radiology
https://www.readbyqxmd.com/read/28647628/nontraumatic-proximal-ulnar-artery-pseudoaneurysm-mimicking-a-soft-tissue-tumor-in-image-modality
#5
Hiromu Kehara, Yuko Wada, Daisuke Fukui, Kunihiko Shingu, Tatsuichiro Seto, Kenji Okada
Aneurysm of the proximal ulnar artery is extremely rare. Ultrasonography, computed tomography and magnetic resonance imaging generally provide accurate diagnosis of aneurysm. A 29 year-old woman who had undergone an excision biopsy of a mass in her right arm by an orthopedic surgeon was referred to our department. We resected the mass and interposed it with a reversed great saphenous vein. Histopathological examination suggested that the mass was a pseudoaneurysm consisting of organized thrombi with recanalization...
June 21, 2017: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/28647623/proximal-femoral-osteosarcoma-diagnostic-challenges-translate-into-delayed-and-inappropriate-management
#6
M Dahan, P Anract, A Babinet, F Larousserie, D Biau
BACKGROUND: The proximal femuris an uncommon site of osteosarcoma. The unusual manifestations at this site may lead to diagnostic and therapeutic mistakes. We therefore performed a retrospective studyto estimate the proportions of patients with imaging study findings and/or clinical manifestations typical for osteosarcoma and/or inappropriate treatment decisions. HYPOTHESIS: Proximal femoral osteosarcoma often produces atypical clinical and radiological presentations...
June 21, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28647614/inefficiency-of-ulipristal-acetate-on-uterus-leiomyomas-as-an-additional-sign-to-suspect-leiomyosarcoma
#7
Philippe Kadhel, Maïté Smail, Daphné Borja De Mozota
The unexpected diagnosis of a leiomyosarcoma from a surgical specimen of a presumed leiomyoma is rare, but with deleterious consequences, especially if morcellation techniques are used. There are currently no effective methods for such a preoperative diagnosis. Ulipristal acetate has demonstrated efficacy for the preoperative treatment of leiomyomas, but not for all patients. We report two cases of leiomyosarcomas in patients treated with ulipristal acetate for a presumed leiomyoma. We propose that ineffective ulipristal acetate treatment may indicate a population in which uterine leiomyosarcoma is more prevalent...
June 21, 2017: Journal of gynecology obstetrics and human reproduction
https://www.readbyqxmd.com/read/28647574/a-rare-uterine-malformation-asymmetric-septate-uterus
#8
Alper Biler, Ali Akdemir, Nuri Peker, Fatih Sendag
STUDY OBJECTIVE: To demonstrate a step by step surgical hysteroscopy technique in a patient with asymmetric uterine septum and transverse uterine septum that was not previously described in the literature. DESIGN: Resection of a asymmetric uterine septum by laparoscopy and ultrasound-guided hysteroscopy (Canadian Task Force Classification III). The video was assumed exempt from official review by our institutional review board. SETTING: A septate uterus is defined as the uterus in which the uterine cavity is longitudinally divided by the septum (1)...
June 21, 2017: Journal of Minimally Invasive Gynecology
https://www.readbyqxmd.com/read/28647521/heterotopic-ossification-of-the-peroneus-brevis-tendon-in-a-pediatric-patient
#9
Karan Dua, James M Barsi
Heterotopic ossification (HO) is abnormal formation of mature lamellar bone in soft tissues. HO is most commonly diagnosed in the setting of localized trauma, which results in improper differentiation of progenitor cells, leading to aberrant tissue formation. In the pediatric population, nongenetic causes of HO have rarely been reported, especially HO involving the tendons of the ankle. We present a case of HO of the peroneus brevis tendon without systemic disease in a pediatric patient. The patient was a 7-year-old female with a normal birth and developmental history who first presented 6 weeks after a right ankle sprain with pain localized to the lateral calcaneus...
June 21, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28647387/practical-considerations-for-the-use-of-breast-mri-for-breast-cancer-evaluation-in-the-preoperative-setting
#10
Debra L Monticciolo
Preoperative contrast-enhanced (CE) breast magnetic resonance imaging (MRI) remains controversial in the newly diagnosed breast cancer patient. Additional lesions are frequently discovered in these patients with CE breast MRI. As staging and treatment planning evolve to include more information on tumor biology and aggression, so should our consideration of extent of disease. Directing CE breast MRI to those patients most likely to have additional disease may be beneficial. We sought to develop practical guidance for the use of preoperative CE breast MRI in the newly diagnosed breast cancer patient based on recent scientific data...
June 21, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28647095/increased-detection-of-blunt-carotid-and-vertebral-artery-injury-after-implementation-of-diagnostic-imaging-pathway-in-level-1-trauma-centre-in-western-australia
#11
Manimaran Sinnathamby, Sudhakar V Rao, Dieter G Weber
BACKGROUND: The incidence of Blunt Carotid Artery and Vertebral Artery Injury (BCVI) is relatively low in modern trauma practice. However, these injuries may be associated with severe neurological consequences. Following the introduction of a Diagnostic Imaging Pathway in Department of Health of Western Australia, we hypothesized that this injury would be less likely to be missed, and accordingly diagnosed more frequently. METHOD: A review of all major trauma (Injury Severity Scale>15) admissions at the State Major Trauma Centre in Royal Perth Hospital was undertaken from 1995 until 2013...
June 13, 2017: Injury
https://www.readbyqxmd.com/read/28647062/high-resolution-computed-tomography-imaging-in-conductive-hearing-loss-what-to-look-for
#12
REVIEW
Manickam Subramanian, Ashish Chawla, Kabilan Chokkappan, Tze Lim, Jagadish Narayana Shenoy, Wilfred Chin Guan Peh
Conductive hearing loss (CHL) is caused by the disruption of the sound conductive chain that, in turn, may be due to diseases of the external and middle ear. High-resolution computed tomography (CT) is the imaging modality of choice to evaluate CHL because of its excellent spatial resolution. Along with clinical and otoscopic findings, CT also helps in the diagnosis and preoperative planning. This pictorial review aims to illustrate the CT features of common conditions causing CHL that may arise from the external and middle ear, as well as highlights some of the key imaging features that are helpful in management...
May 17, 2017: Current Problems in Diagnostic Radiology
https://www.readbyqxmd.com/read/28646862/a-clinical-utility-assessment-of-the-automatic-measurement-method-of-the-quality-of-meibomian-glands
#13
Robert Koprowski, Lei Tian, Paweł Olczyk
BACKGROUND: Meibomian gland dysfunction (MGD) is one of the most common diseases observed in clinics and is the leading cause of evaporative dry eye. Today, diagnostics of MGD is not fully automatic yet and is based on a qualitative assessment made by an ophthalmologist. Therefore, an automatic analysis method was developed to assess MGD quantiatively. MATERIALS: The analysis made use of 228 images of 57 patients recorded by OCULUS Keratograph(®) 5 M with a resolution of 1024 × 1360 pixels concern 30 eyes of healthy individuals (14 women and 16 men) and 27 eyes of sick patients (10 women and 17 men)...
June 24, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28646744/systematic-biobanking-novel-imaging-techniques-and-advanced-molecular-analysis-for-precise-tumor-diagnosis-and-therapy-the-polish-mobit-project
#14
Jacek Niklinski, Adam Kretowski, Marcin Moniuszko, Joanna Reszec, Anna Michalska-Falkowska, Magdalena Niemira, Michal Ciborowski, Radoslaw Charkiewicz, Dorota Jurgilewicz, Miroslaw Kozlowski, Rodryg Ramlau, Cezary Piwkowski, Miroslaw Kwasniewski, Monika Kaczmarek, Andrzej Ciereszko, Tomasz Wasniewski, Robert Mroz, Wojciech Naumnik, Ewa Sierko, Magdalena Paczkowska, Joanna Kisluk, Anetta Sulewska, Adam Cybulski, Zenon Mariak, Boguslaw Kedra, Jacek Szamatowicz, Paweł Kurzawa, Lukasz Minarowski, Angelika Edyta Charkiewicz, Barbara Mroczko, Jolanta Malyszko, Christian Manegold, Lothar Pilz, Heike Allgayer, Mohammed L Abba, Hartmut Juhl, Frauke Koch
Personalized and precision medicine is gaining recognition due to the limitations by standard diagnosis and treatment; many areas of medicine, from cancer to psychiatry, are moving towards tailored and individualized treatment for patients based on their clinical characteristics and genetic signatures as well as novel imaging techniques. Advances in whole genome sequencing have led to identification of genes involved in a variety of diseases. Moreover, biomarkers indicating severity of disease or susceptibility to treatment are increasingly being characterized...
June 21, 2017: Advances in Medical Sciences
https://www.readbyqxmd.com/read/28646723/vacuum-assisted-complete-excision-of-solid-intraductal-intracystic-masses-and-complex-cysts-is-follow-up-necessary
#15
Vanessa Quinn-Laurin, Jean-Charles Hogue, Sylvie Pinault, Nathalie Duchesne
INTRODUCTION: Management of complex cysts and benign intraductal/intracystic masses is controversial. The aim of this study was to determine if the complete removal of the complex cyst lesions with ultrasound-guided vacuum-assisted excision (US-VAE) is sufficient for their safe management when the histological diagnosis obtained at biopsy is benign. SUBJECTS AND METHODS: This is a single institution retrospective study performed on patients who underwent breast biopsy between April 2007 and September 2013...
June 21, 2017: Breast: Official Journal of the European Society of Mastology
https://www.readbyqxmd.com/read/28646602/comparison-of-acoustic-radiation-force-impulse-imaging-and-strain-elastography-in-differentiating-malignant-from-benign-thyroid-nodules
#16
Fengjuan Zhang, Xinming Zhao, Ruoling Han, Min Du, Ping Li, Xiaohui Ji
OBJECTIVES: This study aimed to evaluate the diagnostic value of acoustic radiation force impulse (ARFI) imaging and strain elastography in differentiating malignant from benign thyroid nodules. METHODS: This study included 128 patients (104 female and 24 male; mean age ± standard deviation, 48 ± 11 years; range, 23-76 years) with 152 pathologically proven thyroid nodules. Conventional sonography, strain ratio (SR) of strain elastography, virtual touch tissue imaging (VTI) grade, and virtual touch tissue quantification (shear wave velocity [SWV]) from ARFI imaging data were generated for each nodule...
June 24, 2017: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/28646342/a-case-of-malignant-peritoneal-mesothelioma-suggesting-the-utility-of-combining-double-contrast-radiography-and-endoscopy-with-computed-tomography-for-diagnosis
#17
Hirokazu Saito, Shota Hasuda, Jiro Nasu, Mitsuhiko Kitaoka, Ikuo Matsushita
A 68-year-old woman presented with abdominal pain, weight loss, and vomiting. Enhanced computed tomography (CT) showed slightly increased density in the mesentery and edema of the third portion of the duodenum and proximal jejunum. Little ascites, but no primary lesion, lymph node metastases, or distant metastases, were observed. Endoscopic findings included erythema and edema in the distal duodenum and proximal jejunum without epithelial lesions. Double-contrast radiography revealed transverse ridging with convergence, suggesting a serosal lesion...
June 23, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28646155/breast-cancer-multi-classification-from-histopathological-images-with-structured-deep-learning-model
#18
Zhongyi Han, Benzheng Wei, Yuanjie Zheng, Yilong Yin, Kejian Li, Shuo Li
Automated breast cancer multi-classification from histopathological images plays a key role in computer-aided breast cancer diagnosis or prognosis. Breast cancer multi-classification is to identify subordinate classes of breast cancer (Ductal carcinoma, Fibroadenoma, Lobular carcinoma, etc.). However, breast cancer multi-classification from histopathological images faces two main challenges from: (1) the great difficulties in breast cancer multi-classification methods contrasting with the classification of binary classes (benign and malignant), and (2) the subtle differences in multiple classes due to the broad variability of high-resolution image appearances, high coherency of cancerous cells, and extensive inhomogeneity of color distribution...
June 23, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28646130/congenital-chloride-diarrhea-ccd-a-case-report-of-ccd-suspected-by-prenatal-ultrasonography-and-magnetic-resonance-imaging-mri
#19
Takakazu Kawamura, Tomizou Nishiguchi
BACKGROUND Congenital chloride diarrhea (CCD) is a rare autosomal recessive disorder that is difficult to distinguish from fetal lower intestinal obstruction. A prenatal diagnosis will make a contribution to the prognosis of the newborn. CASE REPORT We report a rare case of congenital chloride diarrhea (CCD) prenatally suspected by ultrasound and MRI. The prenatal ultrasound revealed signs of intestinal dilatation suggesting lower intestinal obstruction. MRI findings also revealed intestinal dilatation that continued from the rectum...
June 24, 2017: American Journal of Case Reports
https://www.readbyqxmd.com/read/28645973/effect-of-ultrasonography-surveillance-in-patients-with-liver-cancer-a-population-based-longitudinal-study
#20
Jui-Kun Chiang, Lin Chih-Wen, Yee-Hsin Kao
OBJECTIVE: Liver cancer is a growing global public health problem. Ultrasonography is an imaging tool widely used for the early diagnosis of liver cancer. However, the effect of ultrasonography surveillance (US) on the survival of patients with liver cancer is unknown. Therefore, this study examined the association between survival and US frequency during the 2 years preceding patients' liver cancer diagnosis. METHODS: This population-based longitudinal study was conducted in Taiwan, a region with high liver cancer incidence, by using the National Health Insurance Research Database...
June 23, 2017: BMJ Open
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