abstract：:Breast metastasis from nonmammary malignant neoplasms is uncommon, and it accounts for approximately 2% of all breast tumors. Distant metastasis of thymoma is very rare, and especially to extrathorcic areas. We report a female who had a metastatic thymoma in her breast 20 years after undergoing resection for a non-inv...

journal_title：Korean journal of radiology

authors： Kim SM,Ko EY,Han BK,Shin JH,Kang SS,Nam SJ,Cho EY

更新日期：2008-01-01 00:00:00

abstract：OBJECTIVE:A hepatic mesenchymal hamartoma is an uncommon benign tumor in children and little is known about the spectrum of its radiological features. The purpose of this study is to describe the spectrum of radiological features of a hepatic mesenchymal hamartoma in children. MATERIALS AND METHODS:Thirteen children w...

journal_title：Korean journal of radiology

authors： Kim SH,Kim WS,Cheon JE,Yoon HK,Kang GH,Kim IO,Yeon KM

更新日期：2007-11-01 00:00:00

abstract：OBJECTIVE:We wanted to investigate the ability of breast MR imaging to identify the primary malignancy in patients with axillary lymph node metastases and initially negative mammography and sonography, and we correlated those results with the conventional imaging. MATERIALS AND METHODS:From September 2001 to April 200...

journal_title：Korean journal of radiology

authors： Ko EY,Han BK,Shin JH,Kang SS

更新日期：2007-09-01 00:00:00

abstract：:Chondrosarcomas are malignant tumors of cartilage that rarely involve the sinonasal region, and myxoid chondrosarcoma is a rare histologic variant of chondrosarcoma that usually occurs in the soft tissue of extremities. Although several case reports and results of small series of chondrosarcomas in the sinonasal regio...

journal_title：Korean journal of radiology

authors： Kim YJ,Im SA,Lim GY,Chun HJ,Park HJ,Kim MS,Choi YJ

更新日期：2007-09-01 00:00:00

abstract：OBJECTIVE:To investigate the value of ultrasound-guided tattooing localization (US-tattoo) using a charcoal suspension for breast lesions. MATERIALS AND METHODS:One hundred sixty-four nonpalpable breast lesions in 134 patients (mean age 47 years; range 30-74 years) were marked with a charcoal suspension under US guida...

journal_title：Korean journal of radiology

authors： Ko K,Han BK,Jang KM,Choe YH,Shin JH,Yang JH,Nam SJ

更新日期：2007-07-01 00:00:00

abstract：:A malignant tumor is generally believed to be very unlikely to metastasize to the thymus. Only three cases of thymic metastases have been reported so far in the medical literature. We report here a rare case of metastatic breast cancer to the thymus, which was detected by CT and PET scanning, and the metastasis was al...

journal_title：Korean journal of radiology

authors： Park SB,Kim HH,Shin HJ,Paik MH,Kim DB,Gong G

更新日期：2007-07-01 00:00:00

abstract：OBJECTIVE:We wanted to introduce a new technique for superselective catheterization of arteries with preshaping of a micro-guide wire into a shepherd's hook form, and this is useful for superselection of small arteries branching at an acute angle from a large parent artery for the treatment of tumors and hemorrhages. ...

journal_title：Korean journal of radiology

authors： Baek JH,Chung JW,Jae HJ,Lee W,Park JH

更新日期：2007-05-01 00:00:00

abstract：OBJECTIVE:We wanted to evaluate the effectiveness of intraluminal irradiation with Holmium-166 ((166)Ho) for reducing the pseudointimal hyperplasia (PIH) in the transjugular intrahepatic portosystemic shunt (TIPS) tract in a swine model. MATERIALS AND METHODS:TIPS was performed in 12 domestic pigs, after the creation ...

journal_title：Korean journal of radiology

authors： Park JS,Oh JH,Kim DY,Park YK,Park SJ,Kim SJ

更新日期：2007-03-01 00:00:00

abstract：OBJECTIVE:To evaluate the inter-group differences in growth and the pathological results of nodular ground-glass opacities (GGOs) according to their size and focal solid portions. MATERIALS AND METHODS:Ninety-six nodular GGOs in 55 individuals followed by CT for at least one month from an initial chest CT were include...

journal_title：Korean journal of radiology

authors： Lee HJ,Goo JM,Lee CH,Yoo CG,Kim YT,Im JG

更新日期：2007-01-01 00:00:00

abstract：OBJECTIVE:We wanted to evaluate whether tumors located in a segmental border zone are predisposed to local recurrence after performing segmental transarterial chemoembolization for hepatocellular carcinoma. MATERIALS AND METHODS:Seventy-three hepatocellular carcinoma nodules were retrospectively analyzed for local tum...

journal_title：Korean journal of radiology

authors： Cho YK,Chung JW,Ahn YS,Park YO,Kim JK,Byun JH

更新日期：2006-10-01 00:00:00

abstract：OBJECTIVE:We wanted to assess the MR imaging findings of ovarian cystadenofibroma and cystadenocarcinofibroma, and we wanted to find clues for making the differential diagnosis between them. MATERIALS AND METHODS:The MR images of 12 pathologically proven cystadenofibromas and two cystadenocarcinofibromas were reviewed...

journal_title：Korean journal of radiology

authors： Jung DC,Kim SH,Kim SH

更新日期：2006-07-01 00:00:00

abstract：OBJECTIVE:To compare the effect of radio frequency ablation (RFA) on the dimensions of radio frequency coagulation necrosis in a rabbit lung using a wet electrode in monopolar mode with that in dual electrode bipolar mode at different infusion rates (15 mm/hr versus 30 ml/hr) and saline concentrations (0.9% normal vers...

journal_title：Korean journal of radiology

authors： Jin GY,Park SH,Han YM,Chung GH,Kwak HS,Jeon Sb,Lee YC

更新日期：2006-04-01 00:00:00

abstract：OBJECTIVE:We wanted to present our experiences for performing transradial cerebral angiography during the learning period, and we also wanted to demonstrate this procedure's technical feasibility and utility in various clinical situations. MATERIALS AND METHODS:Thirty-two patients were enrolled in the study. All of th...

journal_title：Korean journal of radiology

authors： Kim JH,Park YS,Chung CG,Park KS,Chung DJ,Kim HJ

更新日期：2006-01-01 00:00:00

abstract：OBJECTIVE:To compare the efficacy of Mangafodipir trisodium (Mn-DPDP)-enhanced MR cholangiogrphy (MRC) and Gadobenate dimeglumine (Gd-BOPTA)-enhanced MRC in visualizing a non-dilated biliary system. MATERIALS AND METHODS:Eighty-eight healthy liver donor candidates underwent contrast-enhanced T1-weighted MRC. Mn-DPDP a...

journal_title：Korean journal of radiology

authors： Lim JS,Kim MJ,Jung YY,Kim KW

更新日期：2005-10-01 00:00:00

abstract：OBJECTIVE:The purpose of our study was to assess whether a review of multiphasic helical CT combined with the previous serial CT images could be helpful to depict a viable tumor in hepatocellular carcinoma treated with transarterial chemoembolization. MATERIALS AND METHODS:Twenty-four consecutive patients with 35 hepa...

journal_title：Korean journal of radiology

authors： Jang KM,Choi D,Lim HK,Lim JH,Lee JY,Lee WJ,Kim SH,Lee SJ,Jeon YH,Lee J,Kim MJ,Shin SW,Park CK

更新日期：2005-07-01 00:00:00

abstract：OBJECTIVE:1) To evaluate the mid-term efficacy and safety of a permanent nitinol inferior vena cava (IVC) filter; 2) to evaluate filter effectiveness, filter stability and caval occlusion. MATERIALS AND METHODS:A prospective evaluation of the TrapEase IVC filter was performed on 42 patients (eight men, 34 women) rangi...

journal_title：Korean journal of radiology

authors： Liu WC,Do YS,Choo SW,Kim DI,Kim YW,Kim DK,Shin SW,Park KB,Jeon YH,Choo IW

更新日期：2005-04-01 00:00:00

abstract：:We report here on a 26-year-old pregnant female who developed hirsutism and virilization during her third trimester along with a significantly elevated serum testosterone level. Abdominal US and MR imaging studies were performed, and they showed unique imaging features that may suggest the diagnosis of pregnancy luteo...

journal_title：Korean journal of radiology

authors： Kao HW,Wu CJ,Chung KT,Wang SR,Chen CY

更新日期：2005-01-01 00:00:00

abstract：:We report here on a case of extrahepatic biliary cystadenoma arising from the common hepatic duct. A 42-year-old woman was evaluated by us to find the cause of her jaundice. Ultrasonography and CT showed a cystic dilatation of the common hepatic duct and also marked dilatation of the intrahepatic duct. Direct cholangi...

journal_title：Korean journal of radiology

authors： Park JH,Lee DH,Kim HJ,Ko YT,Lim JW,Yang MH

更新日期：2004-10-01 00:00:00

abstract：OBJECTIVE:The aim of this study was to examine the feasibility of perfusion imaging of the brain using the Z-score and subtraction dynamic images obtained from susceptibility contrast MR images. MATERIALS AND METHODS:Five patients, each with a normal MRI, Moya-moya, a middle cerebral artery occlusion, post-trauma synd...

journal_title：Korean journal of radiology

authors： Choi S,Liu H,Shin TB,Lee JH,Yoon SK,Oh JY,Lee YI

更新日期：2004-07-01 00:00:00

abstract：:The rupture of an acute dissection of the ascending aorta into the space surrounding the pulmonary artery is an uncommon occurrence. No previous cases of transient pulmonary hypertension caused by a hematoma surrounding the pulmonary artery have been documented in the literature. Herein, we report a case of acute aort...

journal_title：Korean journal of radiology

authors： Kim DH,Ryu SW,Choi YS,Ahn BH

更新日期：2004-04-01 00:00:00

abstract：:Enhanced z-axis coverage with thin overlapping slices in breath-hold acquisitions with multidetector CT (MDCT) has considerably enhanced the quality of multiplanar 3D reconstruction. This pictorial essay describes the improvements in 3D reconstruction and technical aspects of 3D reconstruction and rendering techniques...

journal_title：Korean journal of radiology

authors： Maher MM,Kalra MK,Sahani DV,Perumpillichira JJ,Rizzo S,Saini S,Mueller PR

更新日期：2004-01-01 00:00:00

abstract：OBJECTIVE:We evaluated the association between patients' weight and abdominal cross-sectional dimensions and CT image quality. MATERIALS AND METHODS:We prospectively evaluated 39 cancer patients aged more than 65 years with multislice CT scan of abdomen. All patients underwent equilibrium phase contrast-enhanced abdom...

journal_title：Korean journal of radiology

authors： Kalra MK,Maher MM,Prasad SR,Hayat MS,Blake MA,Varghese J,Halpern EF,Saini S

更新日期：2003-10-01 00:00:00

abstract：:Sclerosing stromal tumor (SST) of the ovary is a very rare sex cord stromal tumor occurring in a younger age group than other types of stromal tumors and most commonly accompanied by menstrual irregularity. Several unique histologic features including pseudolobulation, sclerosis and prominent vascularity are clearly r...

journal_title：Korean journal of radiology

authors： Kim JY,Jung KJ,Chung DS,Kim OD,Lee JH,Youn SK

更新日期：2003-07-01 00:00:00

abstract：:We report two cases of paratracheal air cyst discovered incidentally at neck ultrasonography and confirmed at CT. The cysts were located at the inferoposterior aspect of the right lobe of the thyroid. Ultrasonography revealed an ill-defined hypoechoic mass containing hyperechoic foci which mimicked calcifications. Nec...

journal_title：Korean journal of radiology

authors： Kim YJ,Kim EK,Kim J,Park CS

更新日期：2003-04-01 00:00:00

abstract：OBJECTIVE:To assess the technical feasibility of a newly designed stent-like electrode in rabbits. MATERIALS AND METHODS:A stent-like electrode was knitted from a single thread of nitinol wire and interconnected to a generator using similar wire. In order to gauge the extent of radiofrequency ablation (RFA), we measur...

journal_title：Korean journal of radiology

authors： Byun JN,Kang SG,Choi JY,Kim DH,Lee JM,Kim YC,Ki KH,Lee CG

更新日期：2003-01-01 00:00:00

abstract：OBJECTIVE:To determine whether the size of a perfusion defect seen at myocardial perfusion MR imaging represents the extent of irreversibly damaged myocardium in acute reperfused myocardial infarction. MATERIALS AND METHODS:In nine cats, reperfused myocardial infarction was induced by occlusion of the left anterior de...

journal_title：Korean journal of radiology

authors： Goo HW,Kim DH,Lee SS,Park SB,Lim TH

更新日期：2002-10-01 00:00:00

abstract：OBJECTIVE:To evaluate the findings of brain MRI in patients with carbon disulfide poisoning. MATERIALS AND METHODS:Ninety-one patients who had suffered carbon disulfide poisoning [male:female=87:4; age, 32-74 (mean 53.3) years] were included in this study. To determine the extent of white matter hyperintensity (Grade ...

journal_title：Korean journal of radiology

authors： Cha JH,Kim SS,Han H,Kim RH,Yim SH,Kim MJ

更新日期：2002-07-01 00:00:00

abstract：OBJECTIVE:To explore the in-vivo 1H- MR spectral features of adnexal lesions and to characterize the spectral patterns of various pathologic entities. MATERIALS AND METHODS:Thirty-one patients with surgically and histopathologically confirmed adnexal lesions underwent short echo-time STEAM (stimulated echo acquisition...

journal_title：Korean journal of radiology

authors： Cho SW,Cho SG,Lee JH,Kim HJ,Lim MK,Kim JH,Suh CH

更新日期：2002-04-01 00:00:00

abstract：:Papillary tumor of the bile duct is characterized by the presence of an intraductal tumor with a papillary surface comprising innumerable frondlike infoldings of proliferated columnar epithelial cells surrounding slender fibrovascular stalks. There may be multiple tumors along the bile ducts (papillomatosis or papilla...

journal_title：Korean journal of radiology

authors： Lim JH,Yi CA,Lim HK,Lee WJ,Lee SJ,Kim SH

更新日期：2002-01-01 00:00:00

abstract：:Central diabetes insipidus (DI) can be the outcome of a number of diseases that affect the hypothalamic-neurohypophyseal axis. The causes of the condition can be classified as traumatic, inflammatory, or neoplastic. Traumatic causes include postoperative sella or transection of the pituitary stalk, while infectious or...

journal_title：Korean journal of radiology

authors： Shin JH,Lee HK,Choi CG,Suh DC,Kim CJ,Hong SK,Na DG

更新日期：2001-10-01 00:00:00

abstract：:We describe the imaging features of two cases of biliary ascariasis. Ultrasonography and CT showed no specific abnormal findings, but MR cholangiography clearly demonstrated an intraductal linear filling defect that led to the correct diagnosis. MR cholangiography is thus a useful technique for the diagnosis of biliar...

journal_title：Korean journal of radiology

authors： Hwang CM,Kim TK,Ha HK,Kim PN,Lee MG

更新日期：2001-07-01 00:00:00

abstract：:In Asia, mammography following the injection of foreign materials into the breasts for cosmetic augmentation is frequently seen and diagnosis based on the typical radiologic findings is straightforward. We report the unusual radiologic findings in two patients with foreign body granulomas caused by injected foreign ma...

journal_title：Korean journal of radiology

authors： Han BK,Choe YH,Ko YH,Nam SJ,Yang JH

更新日期：2001-04-01 00:00:00

abstract：:In stenosis of a segmental branch or among multiple renal arteries, Doppler sampling of intrarenal arteries in the upper, mid and lower poles demonstrates strikingly different waveform patterns that might otherwise be overlooked. We report a case of segmental branch renal artery stenosis in which a pulsus parvus et ta...

journal_title：Korean journal of radiology

authors： Seong CK,Kim SH,Sim JS

更新日期：2001-01-01 00:00:00

abstract：:Primary lymphoma of the uterus is a rare disease, the reported characteristic MR imaging findings being homogeneous intermediate signal intensity of the indistinct mass on T1- and T2-weighted images, and the preservation of endometrial lining and uterine architecture. We report a case of primary uterine lymphoma which...

journal_title：Korean journal of radiology

authors： Cheong IJ,Kim SH,Park CM

更新日期：2000-10-01 00:00:00

abstract：:In order to relieve mechanical obstruction caused by rectal carcinoma, a bare rectal stent was inserted in the sigmoid colon of a 70-year-old female. The procedure was successful, and for one month the patient made good progress. She then complained of abdominal pain, however, and plain radiographs of the chest and ab...

journal_title：Korean journal of radiology

authors： Han YM,Lee JM,Lee TH

更新日期：2000-07-01 00:00:00

abstract：:Disseminated mycobacterial infection after bacillus Calmette-Guerin (BCG) vaccination is a very rare disorder, occurring mostly in patients with immunologic deficiency. We report a case of disseminated BCG infection in a 16-month-old girl with severe combined immunodeficiency. Plain radiographs showed multiple osteoly...

journal_title：Korean journal of radiology

authors： Han TI,Kim IO,Kim WS,Yeon KM

更新日期：2000-04-01 00:00:00

abstract：:Alveolar soft-part sarcoma is a rare soft tissue sarcoma of young adults with unknown histogenesis, and the organ most frequently involved in metastasis is the lung. We report the CT findings of three patients of pulmonary metastases of alveolar soft-part sarcoma, which manifested as clearly enhanced pulmonary nodules...

journal_title：Korean journal of radiology

authors： Choi JI,Goo JM,Seo JB,Kim HY,Park CK,Im JG

更新日期：2000-01-01 00:00:00