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Anaplastic Transformation of Metastatic Papillary Thyroid Carcinoma in a Cervical Lymph Node: a Timeline and Short Review

Cinamon U, Horev Y, Vaknine H

Anaplastic thyroid cancer (ATC) is accepted as the transformation of a pre-existing glandular papillary thyroid carcinoma (PTC). Anaplastic transformation of a neck PTC metastasis in a lymph node is extraordinary....
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Progression of diabetic nephropathy after successful pancreas transplantation alone: a case report

Kim Y, Kim DI, Shim JR, Lee TB, Yang KH, Ryu JH, Lee HJ, Choi BH

Pancreas transplantation is the only method that can nearly cure insulin-dependent diabetes mellitus. However, the effect of pancreas transplantation on patients with diabetic nephropathy has recently been considered controversial. In...
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Clinical Predictors of Upstaging to Invasive Cancer Postoperatively in Patients Diagnosed with Ductal Carcinoma In Situ before Surgery

Lee KH, Han JW, Kim EY, Yun JS, Park YL, Park CH

PURPOSE: Upstaging to invasive cancer (IC) is often found after surgery in those patients diagnosed with ductal carcinoma in situ (DCIS) and who underwent preoperative needle biopsy. This may change...
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Non-Diagnostic CT-Guided Percutaneous Needle Biopsy of the Lung: Predictive Factors and Final Diagnoses

Tongbai T, McDermott , Kiranantawat N, Muse VV, Wu CC, Shepard JA, Gilman MD

OBJECTIVE: To investigate the predictive factors for a non-diagnostic result and the final diagnosis of pulmonary lesions with an initial non-diagnostic result on CT-guided percutaneous transthoracic needle biopsy. MATERIALS AND METHODS:...
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Pituitary Apoplexy Presenting as Isolated Bilateral Oculomotor Nerve Palsy

Cho H, Song YJ, Ryu WY

PURPOSE: To report a case of pituitary apoplexy presenting as isolated bilateral oculomotor nerve palsy. CASE SUMMARY: A 46-year-old male presented with bilateral ptosis and acute severe headaches for 6 days....
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Inflammation appears as high Prostate Imaging–Reporting and Data System scores on prostate magnetic resonance imaging (MRI) leading to false positive MRI fusion biopsy

Rourke E, Sunnapwar , Mais D, Kukkar V, DiGiovanni J, Kaushik D, Liss MA

PURPOSE: To investigate if inflammation as a potential cause of false-positive lesions from recent UroNav magnetic resonance imaging (MRI) fusion prostate biopsy patients. MATERIALS AND METHODS: We retrospectively identified 43 men...
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Synchronous Primary Leiomyosarcoma in the Thoracic Vertebra and the Liver

Kim YK, Kim JA, Ryu SH, Choi JH, Tsung PC, Park JH, Moon JS, Shim JC, Lee HK, Loutzenhiser JM

This is a case report of simultaneous primary leiomyosarcomas in the spine and liver. A 64-year-old woman presented to the Seoul Paik Hospital with epigastric discomfort and constipation that she...
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A Clonorchiasis Case of a Leopard Cat, Prionailurus bengalensis euptilurus, Diagnosed by Ultrasonography and Egg Detection in Republic of Korea

Choe S, Jeong DH, Yang JJ, Kim J, Na KJ, Lee D, Park H, Jeon HK, Eom KS

A clonorchiasis case in a captive leopard cat, Prionailurus bengalensis euptilurus, was confirmed by ultrasonographic findings and egg morphologies found in the bile juice sample in the Korea. The leopard...
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Learning Curve of C-Arm Cone-beam Computed Tomography Virtual Navigation-Guided Percutaneous Transthoracic Needle Biopsy

Ahn SY, Park CM, Yoon SH, Kim H, Goo JM

OBJECTIVE: To evaluate the learning curve for C-arm cone-beam computed tomography (CBCT) virtual navigation-guided percutaneous transthoracic needle biopsy (PTNB) and to determine the amount of experience needed to develop appropriate...
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Lymph Node Metastasis after Spontaneous Regression of Non-Small Cell Lung Cancer

Jeong JH, Choi PJ, Yi JH, Jeong SS, Lee KN

Spontaneous regression of lung cancer is a very rare and poorly understood phenomenon. A 64-year-old man presented to Dong-A University Hospital with a shrunken nodule in the right lower lobe....
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Six months response rate of combined oral medroxyprogesterone/levonorgestrel-intrauterine system for early-stage endometrial cancer in young women: a Korean Gynecologic-Oncology Group Study

Kim MK, Seong SJ, Kang SB, Bae DS, Kim JW, Nam JH, Lim MC, Lee TS, Kim S, Paek J

OBJECTIVE: To evaluate the efficacy of combined oral medroxyprogesterone acetate (MPA)/levonorgestrel-intrauterine system (LNG-IUS) treatment and to compare the diagnostic accuracy of endometrial aspiration biopsy with dilatation & curettage (D&C) in...
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IgG4-Related Hepatic Inflammatory Pseudotumor Complicated by Actinomycosis during Steroid Therapy

Chung JW, Bae YS, Lim JH, Lee DK, Yu JS

For a 67-year-old man with diabetes mellitus, a 9-cm liver mass was found on CT during the diagnostic work-up for weight loss and fever. Dynamic CT and MRI showed a...
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Determining Whether High Nodal Burden in Early Breast Cancer Patients Can Be Predicted Preoperatively to Avoid Sentinel Lymph Node Biopsy

Lim GH, Teo SY, Allen JC, Chinthala , Leong LC

PURPOSE: The Z0011 trial showed that axillary lymph node dissection (ALND) can be safely avoided in breast cancer patients with low nodal burden (LNB). ALND can be performed in patients...
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Analysis of Complications of Percutaneous Transthoracic Needle Biopsy Using CT-Guidance Modalities In a Multicenter Cohort of 10568 Biopsies

Yoon SH, Park CM, Lee KH, Lim KY, Suh YJ, Im DJ, Hur J, Han DH, Kang MJ, Choo JY, Kim C, Kim JI, Hong H

OBJECTIVE: To analyze the complications of percutaneous transthoracic needle biopsy using CT-based imaging modalities for needle guidance in comparison with fluoroscopy in a large retrospective cohort. MATERIALS AND METHODS: This study...
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Does epithelioid angiomyolipoma have poorer prognosis, compared with classic angiomyolipoma?

Lee W, Choi SY, Lee C, Yoo S, You D, Jeong IG, Song C, Kim KS, Hong B, Hong JH, Ahn H, Kim CS

PURPOSE: Classic angiomyolipoma (AML) is common benign kidney tumor. However, some studies have claimed that epithelioid angiomyolipoma (EAML) has malignant potential. We compared the patient characteristics and prognosis of EAML...
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Brain Abscess Showing a Lack of Restricted Diffusion and Successfully Treated with Linezolid

Kim JH, Park SP, Moon BG, Kim DR

A 59-year-old patient with a history of hepatocellular carcinoma presented with decreased consciousness and left hemiparesis. A rim-enhanced mass lesion without diffusion restriction was observed in contrast-enhanced MRI including diffusion-weighted...
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CT-Guided Percutaneous Transthoracic Needle Biopsy Using the Additional Laser Guidance System by a Pulmonologist with 2 Years of Experience in CT-Guided Percutaneous Transthoracic Needle Biopsy

Jeon MC, Kim JO, Jung SS, Park HS, Lee JE, Moon JY, Chung CU, Kang DH, Park DI

BACKGROUND: We developed an additional laser guidance system to improve the efficacy and safety of conventional computed tomography (CT)–guided percutaneous transthoracic needle biopsy (PTNB), and we conducted this study to...
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Open Bronchus Sign on CT: A Risk Factor for Hemoptysis after Percutaneous Transthoracic Biopsy

Kim H, Park CM, Yoon SH, Hwang EJ, Lee JH, Ahn SY, Goo JM

OBJECTIVE: We hypothesized that open bronchi within target pulmonary lesions are associated with percutaneous transthoracic needle biopsy (PTNB)-related hemoptysis. We sought to analyze and compare patient characteristics and target features...
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Cone-Beam CT Virtual Navigation-Guided Percutaneous Needle Biopsy of Suspicious Pleural Metastasis: A Pilot Study

Lim HJ, Park CM, Yoon SH, Bae JS, Goo JM

OBJECTIVE: To evaluate the diagnostic performance of cone-beam computed tomography (CBCT) virtual navigation-guided percutaneous pleural biopsy for suspected malignant pleural disease. MATERIALS AND METHODS: This study enrolled 59 patients (31 males...
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Study of the Efficacy of PET/CT in Lung Aspiration Biopsy and Factors Associated with False-Negative Results

Son IW, Lee JW, Jeong YJ, Kim A, Suh HB, Lee G

PURPOSE: We compared the outcomes of percutaneous transthoracic needle aspiration biopsy (PCNA) of lung masses in cases with and without prior positron emission tomography/computed tomography (PET/CT) information, and investigated the...
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