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Convolutional Neural Network Based Sinogram Extrapolation for Truncated CT: Preliminary Study

Park YI, Suh TS

  • KMID: 2510116
  • Prog Med Phys.
  • 2020 Sep;31(S1):S71.
Purpose: Evaluate the feasibility of the convolutional neural network based sinogram extrapolation method to extend the field-of-view in truncated computed tomography (CT). Methods: Initial sinogram datasets were collected using forward projections...
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Langerhans Cell Histiocytosis of the Rib of an Adult Female Patient: a Case Report

Oh CH, Kang WY, Lee OJ

Langerhans cell histiocytosis (LCH) is generally considered a childhood disease that exhibits various nonspecific clinical and radiological manifestations that mimic infection or malignancy. Here, we present a case of LCH...
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Distribution and Characteristics of Pancreatic Volume Using Computed Tomography Volumetry

Yoon J, Kim KG, Kim YJ, Lim S, Park YH, Kim D, Kang HT, Lee DH

Objectives: Changes in the pancreatic volume (PV) are useful as potential clinical markers for some pancreatic-related diseases. The objective of this study was to measure the volume of the pancreas...
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Improvement of Analytic Reconstruction Algorithms Using a Sinogram Interpolation Method for Sparse-angular Sampling with a Photon-counting Detector

Kim D, Jo B, Park SJ, Kim H, Kim HJ

Sparse angular sampling has been studied recently owing to its potential to decrease the radiation exposure from computed tomography (CT). In this study, we investigated the analytic reconstruction algorithm in...
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Measurement of Orbital Volume from Different Slice Thickness Facial Computed Tomography Scans Using a Semi-automatic Program

Kim HJ, Han JS, Park IK, Choi SJ, Shin JH

PURPOSE: To compare the orbital volume calculated from various slice thickness facial computed tomography scans using a semi-automated computer program. METHODS: Axial and coronal scans of 2, 2.5, 3 mm slice...
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Imaging Features of Madelung's Disease: Case Report

Kang HJ, Lee IS, Cha WJ, Kim HJ, Song YS, Ko JY

Madelung's disease, or benign symmetric lipomatosis, is an uncommon disorder that is characterized by massive symmetrical deposits of adipose tissue in the upper trunk, neck and head, and is usually...
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Radiologic Findings of Local Effect of Right Adrenal Pheochromocytoma on the Adjacent Liver: A Case Report

Rhim JH, Cho JY, Kim SH

We report the radiological findings of regional enhancement of the liver adjacent to the right adrenal pheochromocytoma. CT and MRI showed focal strong enhancement of adjacent liver tissue in the...
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Factors Related to Subarachnoid Hemorrhage as a Cause of Out-of-Hospital Cardiac Arrest

Oh JY, Oh SC, Cho SJ, Kim HJ, Kang TK, Ryu SY

  • KMID: 2192122
  • J Korean Soc Emerg Med.
  • 2012 Jun;23(3):339-344.
PURPOSE: Subarachnoid hemorrhage (SAH) is a common cause of out-of-hospital cardiac arrest (OHCA). Early identification of patients with SAH induced OHCA may be helpful to emergency physicians when making therapeutic...
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Small Cell Carcinoma of the Gallbladder: A Case Report

Shin HS, Lee YH, Lim SW, Choi SS, Choi GH

Small cell carcinoma of the gallbladder is a type of neuroendocrine tumor and very rare. We report ultrasound, CT and MR findings of a small cell carcinoma of the gallbladder...
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Malignant Mixed Mullerian Tumor with Small Bowel Metastasis: A Case Report

Lee YJ, Chung YE, Lee KH, Park MS, Lim JS, Choi JY, Kim KA, Kim MJ, Kim KW

Malignant mixed Mullerian tumors (MMMT) are rare aggressive tumors that typically arise fromthe female genital tract. This malignancy has an extremely poor prognosis due to its rapid growthand the high...
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Differentitation between Primary Central Nervous System Lymphoma and Glioblastoma: Added Value of Quantitative Analysis of CT Attenuation and Apparent Diffusion Coefficient

Lee SC, Moon WJ, Choi JW, Roh HG, Bak SH, Yi JG, Yim YJ, Chung EC

PURPOSE: Purpose of this study was to determine if quantitative measures of CT attenuation and ADC values in combination with conventional imaging features can differentiate primary central nervous system lymphoma...
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Diagnosis of Cervical Metastatic Lymph Nodes in Papillary Thyroid Carcinoma: Is CT Enhancement Useful for Diagnosing Lymph Node Metastasis?

Shin HJ, Kim EK, Moon HJ, Kwak JY

  • KMID: 1451405
  • J Korean Soc Ultrasound Med.
  • 2011 Sep;30(3):187-191.
PURPOSE: We wanted to determine the utility of CT enhancement for diagnosing metastatic lymphadenopathy in patients with papillary thyroid carcinoma (PTC), and especially in the lymph nodes (LNs) of the...
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Image Findings of Primary Squamous Cell Carcinoma of the Pancreas in Patient with Chronic Pancreatitis: A Case Report

Kim JB, Kim MY, Suh CH, Lee KY, Joo YC, Cho JY

Squamous cell carcinoma of the pancreas is a rare, uncommon tumor that is characterized by squamous metaplasia of the ductal columnar cells. We report the image findings of a rare...
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Imaging Findings of Localized Lymphoid Hyperplasia of the Pancreas: a Case Report

Kim JW, Shin SS, Heo SH, Jeong YY, Kang HK, Choi YD

We report here on a case of localized lymphoid hyperplasia of the pancreas in a 70-year-old man which manifested as double lesions (uncinate process and tail) in the organ. The...
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Acute Retropharyngeal Calcific Tendinitis in an Unusual Location: a Case Report in a Patient with Rheumatoid Arthritis and Atlantoaxial Subluxation

Lee S, Joo KB, Lee KH, Uhm WS

Retropharyngeal calcific tendinitis is defined as inflammation of the longus colli muscle and is caused by the deposition of calcium hydroxyapatite crystals, which usually involves the superior oblique fibers of...
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Primary Hepatic Amyloidosis: Report of an Unusual Case Presenting as a Mass

Son RC, Chang JC, Choi JH

Hepatic involvement of amyloidosis is common. Diffuse infiltration with hepatomegaly is a usual radiologic finding of hepatic amyloidosis. To our knowledge, this is the first case of amyloidosis involving the...
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Unusual Thymic Hyperplasia Mimicking Lipomatous Tumor in an Eight-Year-Old Boy with Concomitant Pericardial Lipomatosis and Right Facial Hemihypertrophy

Kim YJ, Kim WS, Cheon JE, Lim YJ, Kim IO, Yeon KM, Jung KC, Byun SJ

We report a case of thymic hyperplasia accompanied by pericardial lipomatosis and right facial hemihypertrophy in an 8-year-old boy. On imaging studies, the hyperplastic thymus had prominent curvilinear and nodular...
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Fractal Dimension Analysis of MDCT Images for Quantifying the Morphological Changes of the Pulmonary Artery Tree in Patients with Pulmonary Hypertension

Haitao S, Ning L, Lijun G, Fei G, Cheng L

OBJECTIVE: The aim of this study was to use fractal dimension (FD) analysis on multidetector CT (MDCT) images for quantifying the morphological changes of the pulmonary artery tree in patients...
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Measurement of Trabecular Bone Parameters in Porcine Vertebral Bodies Using Multidetector CT: Evaluation of Reproducibility of 3-Dimensional CT Histomorphometry

An SB, Hong SH, Goo JM, Moon KC, Kim KG

PURPOSE: To evaluate the reproducibility of 3-dimensional histomorphometry for the microarchitecture analysis of trabecular bone parameters using multidetector computed tomography (MDCT). MATERIALS AND METHODS: Thirty-six specimens from porcine vertebral bodies were...
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Solitary Fibrous Tumor of the Ischiorectal Fossa : CT and MRI Findings

Kim KH, Cha SH, Yeom SK, Lee SH, Chung HH

Solitary fibrous tumor (SFT) is a rare neoplasm, which is usually presented as a pleural based mass, but can also occur in unusual locations based on its mesenchymal origin. However,...
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