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Lee, TaeBum,Shin, Sung Wook,Choi, Dongil,Cho, Sung Ki,Hyun, Dongho,Do, Young Soo,Jeon, SungChae,Cha, BoKyung,Bok, Eun Kyung,Kim, Seonwoo Acta Radiologica 2014 Acta radiologica Vol.55 No.10
<P>Although peripherally-inserted central catheter (PICC) insertion is commonly performed under fluoroscopic guidance, few reports have addressed performance and dosimetry when PICC is inserted under C-arm fluoroscopy.</P>
18F-FDG PET/CT features of pulmonary sclerosing hemangioma.
Lee, Eugene,Park, Chang Min,Kang, Keon Wook,Goo, Jin Mo,Kim, Min A,Paeng, Jin Chul,Lee, Hyun Ju,Park, Heae Surng,Chung, Doo Hyun Acta Radiologica] 2013 Acta radiologica Vol.54 No.1
<P>Pulmonary sclerosing hemangioma (PSH) has been reported to show increased FDG uptake and be potential false-positives on 18F-FDG PET/CT examination. However, it is still unclear whether the previously-reported high FDG uptake is a universal characteristic of PSH, and furthermore, there have been no investigations on what kind of radiologic or histologic features may have been related with its FDG uptake values.</P>
Lee, Young Han,Kim, Sungjun,Song, Ho-Taek,Kim, InSeong,Suh, Jin-Suck Acta Radiologica 2014 Acta radiologica Vol.55 No.4
<P>Ultrashort echo time (UTE) image to directly visualize short T2 tissues requires postprocessing for the suppression of the surrounding long T2 tissues in a clinical magnetic resonance imaging (MRI) scanner. Weighted subtraction of UTE images with an optimal weighting factor could provide high positive contrast with adequate suppression.</P>
Adenoma malignum of the uterine cervix: imaging features with clinicopathologic correlation.
Park, Sung Bin,Lee, Jong Hwa,Lee, Young Ho,Song, Mi Jin,Lim, Kyung Taek,Hong, Sung Ran,Kim, Jeong Kon Acta Radiologica] 2013 Acta radiologica Vol.54 No.1
<P>Adenoma malignum, also known as minimal deviation adenocarcinoma, is a subtype of mucinous adenocarcinoma of the cervix.</P>
Chang, Jung Min,Moon, Woo Kyung,Cho, Nariya,Park, Jeong Seon,Kim, Seung Ja Acta Radiologica] ; TAYLOR FRANCIS 2011 Acta radiologica Vol.52 No.1
<P>Background Ultrasonography (US) has been used as an important adjunct to mammography (MG), and automated breast US (ABUS) scanners were originally designed to effectively examine the breast in its entirety. Purpose To retrospectively assess the performance of radiologists in the detection of breast cancers, initially detected by hand-held ultrasound (HHUS), using 3D breast volume data obtained from a commercial ABUS system. Material and Methods Bilateral whole breast US was performed using ABUS in 61 consecutive women who were scheduled to undergo US-guided needle biopsy due to suspicious breast masses detected during screening HHUS. Fourteen cancers in 13 women and 48 normal breasts of 48 women with benign disease in the contralateral breast were selected. Three radiologists who had not performed the HHUS examinations independently reviewed the 3D ABUS data for any lesions that required recall for further evaluation. Sensitivities and false-positive rates were calculated. Results The sensitivities of the three readers for cancer detection were 78.6% (11/14), 78.6%, and 57.1% (8/14), respectively, with false-positive rates of 20.8% (10/48), 12.5% (6/48) and 8.3% (4/48). Seven cancers were detected by all three readers, four cancers by two readers, and one cancer by one reader. Two invasive cancers were not detected by any reader. Conclusion Of HHUS-detected cancers, only 57.1-78.6% were identified with ABUS. A substantial level of experience and training is necessary to improve cancer detection by ABUS.</P>
Kim, Mi-hyun,Kim, Jeong Kon,Lee, Youngjoo,Park, Bum-Woo,Lee, Chang Kyung,Kim, Namkug,Cho, Gyunggoo,Choi, Hyuck Jae,Cho, Kyoung-Sik Acta Radiologica] 2011 Acta radiologica Vol.52 No.10
<P>Lymph node (LN) status is an important parameter for determining the treatment strategy and for predicting the prognosis for patients with uterine cervical cancer. Computer-aided diagnosis (CAD) can be feasible for differentiating metastatic from non-metastatic lymph nodes in patients with uterine cervical cancer.</P>
Shin, J. H.,Han, B.‐,K.,Ko, K.,Choe, Y. H.,Oh, Y. L. Acta Radiologica 2006 Acta radiologica Vol.47 No.5
<P>Purpose: To assess the value of repeat ultrasound‐guided fine‐needle aspiration (US‐FNA) in nodules with benign cytological diagnosis. Material and Methods: One‐hundred‐and‐eighty‐seven patients undergoing repeat US‐FNA were included after a benign cytological diagnosis had been made by the initial US‐FNA. They were divided into a re‐aspiration group, who underwent repeat US‐FNA within 6 months for a discordant pathological and clinico‐radiological result, and a follow‐up aspiration group, who underwent repeat US‐FNA after 6 months without any clinical or radiological suspicion. The cancer rate in each group and the US findings of the later‐diagnosed malignant nodules were assessed. Results: Nine malignancies were verified in the 187 cases (4.8%) by repeat US‐FNA or surgery. In 44 patients in the re‐aspiration group, 6 malignancies were identified (13.6%), compared with 3 malignancies in the 143 patients in the follow‐up aspiration group (2.1%) ( P <0.05). The later‐diagnosed malignant nodules were an average of 1.0 cm in diameter; 66.7% were round; 66.7% were circumscribed; 100% were solid; 88.9% were hypoechoic; and 55.6% contained calcifications on US. Conclusion: The follow‐up of nodules with benign cytological diagnosis without clinico‐radiological suspicion of malignancy is warranted using imaging surveillance rather than repeated US‐FNA.</P>
Kim, Mi-hyun,Lee, JungBok,Cho, Gyunggoo,Cho, Kyoung-Sik,Kim, Jungmi,Kim, Jeong Kon Acta Radiologica] 2013 Acta radiologica Vol.54 No.10
<P>Subtype-related various computed tomography (CT) features of renal cell carcinoma (RCC) are a confusing factor in differentiating angiomyolipoma with minimal fat (AMLmf) from RCC. To overcome RCC heterogeneity, a scoring system, which integrates multiple discrimitive parameters can be helpful for differentiating AMLmf from RCC.</P>