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介入放射学杂志 2004年第S1期13卷 97-100页

作者： Moon Hee Han department of radiology Seoul National University College of Medicine M.D. Ph.D.

Diagnosis and Treatment of Tolosa-Hunt Syndrome in the Emergency department

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Open Journal of Emergency Medicine 2017年第1期5卷 1-7页

作者： Kevin Olsen Andrew Johnson Sarah Castillo-Jorge Jeffrey Bennett Matthew F. Ryan department of Anaesthesiology University of Florida Gainesville FL USA department of Emergency Medicine University of Florida Gainesville FL USA department of radiology University of Florida Gainesville FL USA

We describe herein a patient who presented with painful ophthalmoplegia and was ultimately diagnosed via magnetic imaging resonance studies and successfully treated for Tolosa-Hunt syndrome. Tolosa-Hunt syndrome is a rare, reversible and painful ophthalmoplegia characterized by recurrent unilateral orbital pain, ipsilateral oculomotor paralysis and prompt response to steroids. Specific criteria for its diagnosis exist and are discussed herein. Individuals affected may display signs of select cranial nerve palsies, ptosis, facial numbness, diplopia, midrosis, and proptosis. Appropriate recognition of the disease can allow for immediate intervention and thus decrease the length and severity of symptoms especially as symptoms may not spontaneously resolve without treatment which leads to unnecessary suffering through pain, anxiety, and decreased vision. We describe the case presentation and keys for diagnosis emergency medicine that physicians should know for this potentially devastating condition.

关键词： Tolosa-Hunt Syndrome Ophthalmoplegia Vision Loss MRI MRA Cranial Nerve Deficits

Volumetric Assessment of Corticospinal Tract Infiltration by Astrocytoma Using Diffusion Tensor Tractography

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Open Journal of Medical imaging 2014年第2期4卷 65-71页

作者： Marwa Adel Shaaban Taha Kamel Alloush Mohamed Hamdy Ibrahim Ahmed Abd el bar Sherif Hashim Morad department of Neurology Ain Shams University Cairo Egypt department of Neurosurgery Ain Shams University Cairo Egypt department of radiology Misr University for Science and Technology Cairo Egypt

Objectives: The aim of the study is to assess volumetric Corticospinal Tract infiltration by Astro-cytoma using Diffusion Tensor Tractography. Material and Methods: Preoperative, anatomic (T1- and T2-weighted) and diffusion tensor MRI were performed in 9 patients with supratentorial gliomas (WHO grade II and III). The tumors were manually segmented from the T1- and T2-weighted MRI, and their volume calculated. A three-dimensional tractography was performed in each case. A second segmentation and volume measurement was performed on the tumor regions intersecting adjacent white matter fiber tracts. Results: We identified that white matter tracts were infiltrated by 6 Astrocytoma tumors. The median tumor volume (±standard deviation) in our patient population was 33 ± 26.82 ml. The median tumor volume (±standard deviation) infiltrating white matter fiber tracts was 4.15 ± 9.23 ml. The median fraction of tumor volume infiltrating white matter fiber tracts was 26.3% ± 10.1%. Conclusions: Diffusion tensor MR Tractography is a reliable preoperative assessment tool since it detects extensive white matter infiltration by Astrocytoma irrespective of brain tumors volume. Recommendations: Prospective large population studies are required to clarify how infiltration relates to tumor location.

关键词： Tractography Astrocytoma Brain Tumor Corticospinal Tract Infiltration

Rare monolocular intrahepatic biliary cystadenoma: A case report

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World Journal of Clinical Cases 2021年第26期9卷 7886-7892页

作者： Chen-Hao Che Zhen-Hua Zhao Hui-Ming Song Yuan-Yuan Zheng The First Clinical Medical School Southern Medical UniversityGuangzhou 510515Guangdong ProvinceChina department of radiology Shaoxing People's Hospital(Shaoxing HospitalZhejiang University School of Medicine)Shaoxing 312000Zhejiang ProvinceChina department of Ultrasonography Shaoxing People's Hospital(Shaoxing HospitalZhejiang University School of Medicine)Shaoxing 312000Zhejiang ProvinceChina

BACKGROUND Intrahepatic biliary cystadenoma(IBC)is a rare benign hepatic tumor that is often misdiagnosed as other hepatic cystic ***,imaging examinations are required for preoperative ***-enhanced ultrasound(CEUS)has gained increasing popularity as an emerging imaging modality and it is considered the primary method for screening IBC because of its specificity of *** describe an unusual case of monolocular IBC and emphasize the performance of *** SUMMARY A 45-year-old man complained of epigastric pain lasting 1 *** had no medical history of hepatitis,liver cirrhosis or *** examination revealed a mass of approximately 6 cm in size in the upper abdomen below the subxiphoid *** marker tests found elevated CA19-9 levels(119.3 U/mL),but other laboratory tests were *** and computerized tomography revealed a round thick-walled mass measuring 83 mm×68 mm located in the left lateral lobe of the liver that lacked internal septations and manifested as a monolocular cystic *** demonstrated that in the arterial phase,the anechoic area manifested as a peripheral ring with homogeneous *** central part presented with no *** the portal phase,the enhanced portion began to subside but was still above the surrounding liver *** patient underwent left partial liver lobectomy and recovered well without tumor recurrence or ***,the results of pathological examination confirmed *** A few IBC cases present with monolocular characteristics,and the lack of intracystic septa in imaging performance cannot exclude IBC.

关键词： Intrahepatic biliary cystadenoma Monolocular Diagnosis imaging performance Contrast-enhanced ultrasound Case report

Surgical resection or radiofrequency ablation in the management of hepatocellular carcinoma: single center experience

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Hepatoma Research 2016年第1期2卷 92-97页

作者： Wael Mansy Morsi Mohammed Sameh Saber department of General Surgery Faculty of MedicineZagazig UniversityZagazig 44519Egypt department of radiology Faculty of MedicineZagazig UniversityZagazig 44519Egypt

Aim:The aim of this study is to prove or disprove the superiority of surgical resections over radiofrequency ablation(RFA)with respect to efficacy and ***:The study was conducted in Zagazig University Hospitals,which included 40 patients with hepatocellular carcinoma(HCC)during the period from November 2011 to December 2014,using either liver resection or ***:Hepatic resection was done in 20 patients(13 males,7 females).interventional RFA was done in 20 patients(12 males,8 females).There was no in-hospital mortality after ***-and two-year survival rates were 85% and 70% *** was no in-hospital mortality after ***-and two-year survival rates were 80% and 65% ***:Surgical resection is preferred over RFA in HCC-liver cirrhosis Child A patients with tumor sizes≥3 ***-liver cirrhosis Child A patients with masses<3 cm have almost the same results with both surgery and *** in special cases such as central position lesions,RFA is preferred over *** the decision for management may be changed according to patients *** resection 1-and 2-year survival rates were better than those treated with RFA.

关键词： Hepatocellular carcinoma liver resection radiofrequency ablation

Gadolinium-containing semiconducting polymer nanoparticles for magnetic resonance/fluorescence dual-modal imaging and photothermal therapy of oral squamous cell carcinoma

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Nano Research 2023年第2期16卷 2808-2820页

作者： Xiao Pan Antian Gao Yanni Hu Ziyang Hu Chen Xie Zitong Lin department of Dentomaxillofacial radiology Affiliated Stomatology Hospital of Medical SchoolNanjing UniversityNanjing 210008China Key Laboratory for Organic Electronics and Information Displays&Jiangsu Key Laboratory for Biosensors Institute of Advanced Materials(IAM)Jiangsu National Synergetic Innovation Center for Advanced Materials(SICAM)Nanjing University of Posts&TelecommunicationsNanjing 210023China

Oral squamous cell carcinoma(OSCC)is the most common malignant tumor of the oral and maxillofacial *** to its unique location,earlier and more accurate diagnosis and more minimally invasive treatment of OSCC is of major ***,gadolinium-containing semiconductor polymer nanoparticles(SPN-Gd)were designed and *** nanoparticles consist of a near-infrared(NIR)absorption semiconductor polymer(PCPDTBT)served as fluorescence signal source and a photothermal conversion agent(PTA)and a gadolinium-grafted triblock amphiphilic copolymer(F127-DTPA-Gd)served as a magnetic resonance imaging(MRI)contrast agent and *** experiments in vivo showed that SPN-Gd could act as an MRI contrast agent and optical image agent with a long retention time,and it had a significant inhibiting effect on tumors of OSCC mice model through photothermal therapy(PTT).Thus our study provides a simple nanotheranostic platform composed of two components for efficient MR/fluorescence dual-modal imaging-guided PTT.

关键词： oral squamous cell carcinoma magnetic resonance imaging fluorescence imaging dual-modal imaging photothermal therapy semiconducting polymer nanoparticles

Myocardial fibrosis detection in arrhythmogenic right ventricular dysplasia/cardiomyopathy by 3. 0T magnetic resonance imaging

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South China Journal of Cardiology 2010年第2期11卷 69-73页

作者：黄俊吴书林刘辉方咸宏谭绍恒 department of Cardiology Guangdong Provincial Cardiovascular InstituteGuangdong General Hospital Guangdong Academy of Medical Sciences department of radiology Guangdong Provincial Cardiovascular InstituteGuangdong General HospitalGuangdong Academy of Medical Sciences department of radiology Guangdong Provincial Cardiovascular InstituteGuangdong General Hospital

Arrhythmogenic right ventricular dysplasia/cardiomyopathy (ARVD/C) is characterized by fibro-fatty replacement of the right ***,the feasibility and significance of myocardial fibrosis detec-ted by delayed enhancement (DE) using 3.0T magnetic resonance imaging (MRI) *** /C is seldomly *** Twenty-seven consecutive patients were prospectively evaluated for ARVD /*** reso-nance imaging was performed on a 3.0T *** minutes after intravenous administration of 0.2 mmol /kg of gadodiamide,DE-MRI was *** of ARVD /C was based upon the Task Force criteria and in-cluded MRI *** Seventeen(59% ) of 27 patients met the Task Force criteria for ARVD /*** ven-tricle DE was found in all (100% ) ARVD /C patients compared with none (0%) of the 10 patients without ARVD /C (P <0.001) .Additional left ventricular DE was found in 8/17 ARVD/C patients while without left ventricular mor-phological and functional abnormalities detected by echocardiography or *** DE using 3.0T MRI could effectively detect myocardial fibrosis in the right and left ventricular myocardium in ARVD /C *** of myocardial fibrosis may have an important clinical significance in ARVD/C *** left ventricle in-volvement may be easily missed by echocardiography.

关键词： 3. 0T magnetic resonance delayed enhancement magnetic resonance imaging arrhythmogenic right ven- tricular dysplasia/cardiomyopathy ( ARVD /C) myocardial fibrosis

Electroacupuncture Stimulation of Language-Implicated Acupoint Tongli(HT 5) in Healthy Subjects: An fMRI Evaluation Study

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Chinese Journal of Integrative Medicine 2018年第11期24卷 822-829页

作者： LI Lin-ling LIU Xiao-wu WU Fang TONG Dong-chang YE Li-ping TAO Hong-xing LIU Peng QIU Yun-hai YANG Wan-zhang Research Center for Neural Engineering Institute of Biomedical and Health Engineering Shenzhen Institutes of Advanced Technology Chinese Academy of Sciences department of Rehabilitation Medicine the Sixth People's Hospital in Shenzhen (Nanshan Hospital) Engineering Research Center of Molecular and Neuro imaging Ministry of Education School of Life Science and Technology Xidian University

Objective： To explore brain activations associated with electroacupuncture simulation at Tongli（HT 5） and its comparison with brain activations during picture-naming task. Methods： Twenty healthy subjects were enrolled in this study. Half of them received electroacupuncture stimulation at HT 5（ACUP group） and the other half of them received stimulation at a nonmeridian sham acupoint（SHAM group）. All subjects performed picture-naming task. Each subject finished two runs of functional magnetic resonance imaging examinations in one session and picture-naming task was performed before electroacupuncture stimulation. Subjective brain activations were obtained using generalized linear model and inter-group analyses were performed after that. Results： The electroacupuncture stimulation at HT 5 induced significant brain activations in both the anterior and posterior language regions, including the left inferior frontal gyrus, which was in consistent with activations induced during picture-naming task. Group analysis showed a tendency of increased activation of ACUP group in left inferior frontal gyrus compared with SHAM group（P〈0.05 FDR corrected）. Conclusions： Electroacupuncture treatment at the acupoint HT 5 has modulation effect on typical language-implicated brain regions in healthy subjects, which provides supporting evidence for beneficial effects of needling at HT 5 for recovery of language function in aphasia.

关键词： electroacupuncture Tongli (HT 5) functional magnetic resonance imaging

The Effect of Fasting on PET imaging of Hepatocellular Carcinoma

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Journal of Cancer Therapy 2013年第2期4卷 562-567页

作者： Nathan Tenley David J. Corn Lewis Yuan Zhenghong Lee department of Biomedical Engineering Case Western Reserve University Cleveland USA department of radiology University Hospitals Case Medical Center Cleveland USA.

The clinical utility of positron emission tomography (PET) imaging for liver cancer applications is not clearly defined either for diagnosis or treatment assessment. Previous clinical studies demonstrated that fluorodeoxyglucose (FDG) did not show uptake in some hepatocellular carcinoma (HCC) while acetate showed uptake. Pre-imaging fasting is required for clinical PET imaging with FDG. No studies were done to confirm the effect of fasting on acetate uptake in HCC for PET imaging. We investigated this situation with a woodchuck model of viral infection-induced HCC. Methods: Four tumor-bearing and one control woodchucks were involved in this study. They were first imaged by PET in fed state followed by another imaging session one week later when they were fasted over-night. Some animals also had FDG- PET scan that was acquired later on the same day. After imaging studies, animals were sacrificed, and their liver excised for histology. Standardized Uptake Value (SUV) was calculated using a region of interest (ROI) placed on each tumor with focal uptake. Results: Acetate showed uptake in each HCC lesion when the animals were either fasted or fed with no significant difference in SUV values (p = 0.177);some of the tumors were histologically confirmed as well-differentiated HCC while others were confirmed as moderately- or poorly-differentiated HCC;no focal uptake was found in the control animal. For the accompanying FDG scans, the uptake was detected only in animals that were fasted although the uptake pattern was different from that with acetate. Conclusion: This study provided a hint that fasting or not has little impact on PET imaging of HCC with acetate. It also confirmed prior finding regarding tumor heterogeneity that led to different tracer uptake pattern in the same tumor. Human studies are needed to validate the findings from this pre-clinical investigation.

关键词： Acetate FDG Hepatocellular Carcinoma Woodchuck Positron Emission Tomography

A Case Study of Mesenteric Ischemia by Low Flow CT imaging

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Open Journal of radiology 2015年第1期5卷 34-38页

作者： Zacharia Traore Pierlesky Elion Ossibi Asmae Zeroual Seydou Ly Imane Kamaoui Youssef Lamrani Meryem Boubbou Moustapha Maaroufi Khalid Mazaz Siham Tizniti department of radiology Hassan II Teaching Hospital Fes Morocco department of Visceral Surgery Hassan II Teaching Hospital Fes Morocco

Acute mesenteric ischemia is a serious disease whose prognosis depends on early diagnosis and therapeutic management. Recent imaging technics play a fundamental role in its diagnosis. There are many forms of mesenteric ischemia including the non-occlusive form which is rare among others. We report the case of a non-occlusive mesenteric ischemia by low flow in a patient with terminal renal disease placed on hemodialysis.

关键词： Mesenteric Ischemia Low Flow