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Multimodal Composite Iron Oxide Nanoparticles for Biomedical Applications

Pillarisetti S, Uthaman S, Huh KM, Koh YS, Lee S, Park IK

BACKGROUND: Iron oxide nanoparticles (IONPs) are excellent candidates for biomedical imaging because of unique characteristics like enhanced colloidal stability and excellent in vivo biocompatibility. Over the last decade, material scientists...
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Quantitative Feasibility Evaluation of ¹¹C-Methionine Positron Emission Tomography Images in Gamma Knife Radiosurgery : Phantom-Based Study and Clinical Application

Lim SH, Jung TY, Jung S, Kim IY, Moon KS, Kwon SY, Jang WY

OBJECTIVE: The functional information of ¹¹C-methionine positron emission tomography (MET-PET) images can be applied for Gamma knife radiosurgery (GKR) and its image quality may affect defining the tumor. This study...
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Contemporary Imaging Diagnosis of Cardiac Amyloidosis

Lee SP, Park JB, Kim HK, Kim YJ, Grogan M, Sohn DW

Cardiac amyloidosis is a rare disease that frequently presents as ventricular hypertrophy. However, diagnosis is not always easy or straightforward as there are several myocardial disorders that phenocopy cardiac amyloidosis....
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Tc-99m and Fluorescence-Labeled Anti-Flt1 Peptide as a Multimodal Tumor Imaging Agent Targeting Vascular Endothelial Growth Factor-Receptor 1

Kim MH, Kim SG, Kim DW

PURPOSE: We developed a Tc-99m and fluorescence-labeled peptide, Tc-99m TAMRA-GHEG-ECG-GNQWFI, to target tumor cells, and evaluated the diagnostic performance as a dual-modality imaging agent for tumor in a murine model. METHODS:...
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Naphthalocyanines as contrast agents for photoacoustic and multimodal imaging

Chitgupi U, Lovell JF

Naphthalocyanines (Ncs) are a family of aromatic small molecule with large near infrared extinction coefficients, making them appealing contrast agent candidates for photoacoustic imaging (PAI). Depending on the substitutions on...
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Multimodal photoacoustic imaging: systems, applications, and agents

Kim C, Chen Z

No abstract available.
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Identification of Pathogenic Variants in the CHM Gene in Two Korean Patients With Choroideremia

Bae K, Song JS, Lee C, Kim NK, Park WY, Kim BJ, Ki CS, Kim SJ

Choroideremia is a rare X-linked disorder causing progressive chorioretinal atrophy. Affected patients develop night blindness with progressive peripheral vision loss and eventual blindness. Herein, we report two Korean families with...
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Traumatic Posterior Atlantoaxial Dislocation without Fracture of the Odontoid Process: A Case Report and Literature Review

Kim YK, Park JG, Jung HN, Kim JW, Lee SJ

Traumatic posterior atlantoaxial dislocation without odontoid fracture is very rare. Patient prognosis depends on the neurologic symptoms or the extent of damage to the structures. In this case, a 78-year-old-male...
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Diffuse Large B-Cell Lymphoma in the Era of Precision Oncology: How Imaging Is Helpful

Shah HJ, Keraliya A, Jagannathan JP, Tirumani S, Lele VR, DiPiro PJ

Diffuse large B cell lymphoma (DLBCL) is the most common histological subtype of Non-Hodgkin's lymphoma. As treatments continues to evolve, so do imaging strategies, and positron emission tomography (PET) has...
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Imaging Findings of Isolated Myeloid Sarcoma of the Stomach in a Nonleukemic Child: A Case Report and Literature Review

Kim YK, Kim JH, Baek HJ, Kim JW, Shin SS, Heo SH

Myeloid sarcoma is an extramedullary solid neoplasm composed of myeloid precursor cells. This tumor usually occurs simultaneously with or following the onset of acute leukemia. Rarely, it can be the...
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Indeterminate Findings on Oncologic PET/CT: What Difference Does PET/MRI Make?

Fraum TJ, Fowler KJ, McConathy , Dehdashti

BACKGROUND: Positron emission tomography/computed tomography (PET/CT) with 2-deoxy-2-[¹⁸F]fluoro-D-glucose (FDG) has become the standard of care for the initial staging and subsequent treatment response assessment of many different malignancies. Despite this...
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Diagnosing Lung Nodules on Oncologic MR/PET Imaging: Comparison of Fast T1-Weighted Sequences and Influence of Image Acquisition in Inspiration and Expiration Breath-Hold

Schwenzer , Seith F, Gatidis S, Brendle C, Schmidt H, Pfannenberg CA, laFougère C, Nikolaou K, Schraml C

OBJECTIVE: First, to investigate the diagnostic performance of fast T1-weighted sequences for lung nodule evaluation in oncologic magnetic resonance (MR)/positron emission tomography (PET). Second, to evaluate the influence of image...
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Emerging Techniques in Brain Tumor Imaging: What Radiologists Need to Know

Kim M, Kim HS

Among the currently available brain tumor imaging, advanced MR imaging techniques, such as diffusion-weighted MR imaging and perfusion MR imaging, have been used for solving diagnostic challenges associated with conventional...
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Conspicuity of FDG-Avid Osseous Lesions on PET/MRI Versus PET/CT: a Quantitative and Visual Analysis

Fraum TJ, Fowler KJ, McConathy

BACKGROUND: Because standardMRI-based attenuation correction (AC) does not account for the attenuation of photons by cortical bone, PET/MRI may have reduced sensitivity for FDG-avid focal bone lesions (FFBLs). This study...
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Correlation Between Apparent Diffusion Coefficients and Standardized Uptake Values in Hybrid 18F-FDG PET/MR: Preliminary Results in Rectal Cancer

Jeong JH, Cho IH, Chun KA, Kong EJ, Kwon SD, Kim JH

PURPOSE: Fluorine-18-fluorodeoxyglucose (18F-FDG) positron emission tomography (PET) and diffusion-weighted magnetic resonance imaging (DWI) share the same role in clinical oncology and it is feasible to obtain the standardized uptake value...
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Prognostic value of preoperative intratumoral FDG uptake heterogeneity in early stage uterine cervical cancer

Chung HH, Kang SY, Ha S, Kim JW, Park NH, Song YS, Cheon GJ

OBJECTIVE: We investigated the prognostic value of intratumoral [18F]fluorodeoxyglucose (FDG) uptake heterogeneity (IFH) derived from positron emission tomography/computed tomography (PET/CT) in patients with cervical cancer. METHODS: Patients with uterine cervical cancer...
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Relationship between Preoperative 18F-Fluorodeoxyglucose Uptake and Epidermal Growth Factor Receptor Status in Primary Colorectal Cancer

Choi YJ, Kim MJ, Lee BH, Kwon MJ, Hwang HS

PURPOSE: Both 18F-fluorodeoxyglucose (18F-FDG) uptake and epidermal growth factor receptor (EGFR) status are prognostic variables of colorectal cancer (CRC). The aim of this study was to investigate a possible association...
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Multifocal Sparganosis Mimicking Lymphoma Involvement: Multimodal Imaging Findings of Ultrasonography, CT, MRI, and Positron Emission Tomography-Computed Tomography

Heo SY, Park JY, Park NH, Park CS, Kwon T, Yi SY, Jun HJ

Sparganosis is a rare parasitic disease caused by the migrating plerocercoid larva of Spirometra species tapeworms. The most frequent clinical manifestation is a subcutaneous nodule resembling a neoplasm. In this...
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Comparison of the Clinical Manifestations between Acute Vogt-Koyanagi-Harada Disease and Acute Bilateral Central Serous Chorioretinopathy

Shin WB, Kim MK, Lee CS, Lee SC, Kim H

PURPOSE: To compare clinical, angiographic, and optical coherence tomographic characteristics between eyes with acute Vogt-Koyanagi-Harada (VKH) disease and eyes with acute bilateral central serous chorioretinopathy (CSC), and to demonstrate distinguishing...
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Takayasu arteritis and antiphospholipid antibody syndrome in an elderly woman

Lee HJ, Hwang JP, Kim HS

No abstract available.
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